The invention relates to a computer-implemented method comprising: obtaining a series of successive time pulses from a water consumption meter placed on a water supply pipe serving at least one home, each pulse representing the consumption of a predefined volume of water at a transmission time; the detection of a use associated with a first pulse having a transmission time greater than or equal to the sum of the transmission time of the immediately preceding pulse in the series and a predefined threshold; the successive association with the use of the immediately subsequent pulses in the series, as long as the difference between the transmission time of the last pulse associated with the use and the transmission time of the immediately subsequent pulse is less than said predefined threshold; the computation of a volume of water consumed during use, said volume of water consumed during use being equal to the number of pulses associated with the use multiplied by said predefined volume; the classification of the use into a type of use, according to said volume of water consumed during use.
Disclosed is a method for recovering a spent metal-containing homogeneous catalyst using a solid adsorbent selected from bleaching agents, filter aids and mixtures thereof. In particular, the solid adsorbent is selected from bleaching earths, perlites, diatomaceous earths and mixtures thereof. Disclosed is a method for recovering a spent metal-containing homogeneous catalyst including the following steps: (A) providing a solution containing the spent metal-containing homogeneous catalyst, the solution containing at least one solvent selected from water and an organic solvent, (B) adding to the provided solution the solid adsorbent to obtain a suspension of a solid and a solvent, (C) separating the suspension to obtain a purified solvent and the solid adsorbent containing the spent metal-containing homogeneous catalyst adsorbed thereon.
B01J 38/50 - Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 38/72 - Regeneration or reactivation of catalysts, in general including segregation of diverse particles
Method to scrub ozone in an ozone scrubber comprising a gas-liquid contactor adapted to bring a reducing liquid in contact with an inlet gas comprising ozone, the method comprising the steps of:
supplying the inlet gas to the gas-liquid contactor,
supplying fresh reducing liquid to the gas-liquid contactor, the fresh reducing liquid comprising an aqueous solution of a reducing agent,
scrubbing ozone of the inlet gas by a reduction reaction with the reducing liquid under acidic pH conditions.
B01D 53/34 - Chemical or biological purification of waste gases
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 53/78 - Liquid phase processes with gas-liquid contact
The invention relates to a method (1) for calculating an operating parameter of a digester suitable for producing a digestate and biogas, containing methane, the method comprising the following steps: - a step (2) of defining a concentration range of an input of the digester and an operating temperature range of the operation; - a step (3) of preliminarily estimating an intermediate concentration; - a step (4) of determining the pH within the digester; - a step (5) of estimating a concentration of at least one inhibitor compound present within the digester; - a step (6) of identifying one or more microorganisms exhibiting limiting kinetics present in the digester; - a step (7) of predicting the maximum growth rate of the one or more determined microorganisms; - a step (8) of identifying the maximum admissible load in the digester; and - a step (9) of calculating the operating parameter of the digester according to the identified maximum admissible load.
The invention relates to a method for producing a sugar syrup comprising fermentable sugars from lignocellulosic biomass containing paper waste, in particular printable paper, printed paper or cardboard, said method comprising the following steps: a. optionally, a step of shredding said lignocellulosic biomass containing paper waste; b.i. a step of impregnating said lignocellulosic biomass containing paper waste or shredded lignocellulosic biomass obtained on completion of step a. in an aqueous medium, and ii. a thermal pretreatment step implemented, without the addition of acid, at a temperature of between 80° C. and 150° C., at a pH between 6.5 and 8.5, in particular between 6.5 and 8, in order to obtain a pretreated product, said impregnation and thermal pretreatment steps being carried out simultaneously or successively according to i. and then ii; c. a step of enzymatic hydrolysis of the pretreated product obtained on completion of step b. in order to convert the cellulose and hemicellulose into a sugar syrup comprising fermentable sugars; and d. a step of recovering the sugar syrup comprising fermentable sugars obtained on completion of step c.
The invention relates to a method (1) for estimating at least one parameter quantifying a stream of objects in an object sorting line (2) comprising a belt for conveying the stream of objects, each object being identifiable by at least one intrinsic property, the sorting line (2) comprising sorting members that are suitable for sorting the objects according to at least one target intrinsic property; wherein the method (1) comprises: - A step (10) of receiving at least one image of the stream of objects; - a step (11) of detecting objects in the at least one image; - a step (12) of classifying each detected object in a pre-established list of object types. - For each detected object, a step (13) of determining the intrinsic property of the classified object according to its classification in the list of object types; and - a step (14) of calculating at least one value of the parameter quantifying the stream of objects according to the proportion of objects in the stream that possess an intrinsic property corresponding to the at least one target intrinsic property.
The invention relates to a device (10) for biomethanation of a CO- and/or H2-containing gas (8), wherein the methanation device is characterized in that it comprises: - a first reactor (11) comprising a cavity (12), said first reactor being configured to be placed inside a liquid bath (13) comprising at least one bacterial population, such that, when the first reactor (11) is in contact with the liquid bath (13), a biofilm is formed around the cavity (12); - an injector (7) for injecting the CO- and/or H2-containing gas (8) into the cavity (12), the biofilm being capable of carrying out a biological conversion of the CO- and/or H2-containing gas into methane; - a first CO2 injection device (14), configured to inject CO2 gas (9) into the liquid bath (13).
The invention relates to a computer-implemented method comprising: obtaining a series of successive time-domain pulses from a meter of water consumption that is placed on a water inlet pipe serving at least one dwelling, each pulse representing consumption of a predefined volume of water at an emission time; detecting a use associated with a first pulse having an emission time greater than or equal to the sum of the emission time of the immediately preceding pulse in the series and of a predefined threshold; associating successively with the use immediately subsequent pulses in the series, provided that the difference between the emission time of the last pulse associated with the use, and the emission time of the immediately subsequent pulse is less than said predefined threshold; computing a volume of water consumed during the use, said volume of water consumed during the use being equal to the number of pulses associated with the use multiplied by said predefined volume; classifying the use into a type of use, depending on said volume of water consumed during the use.
The invention relates to a method for drying pasty products in a greenhouse comprising a drying unit, comprising a plurality of drying belts which define, from a first drying belt positioned at a first height to a second drying belt positioned at a second height lower than the first height, a path for a pasty product, the method comprising the following steps: - a step (100) of placing the pasty product that is to be dried onto the first drying belt, - a step (110) of circulating the pasty product along the plurality of drying belts from the first drying belt along the path to the second drying belt so as to provide a dried product, and, during the step (110) of circulating the pasty product: - a step (120) of generating an airflow in the drying unit, using air coming in from outside the greenhouse, - a step (130) of directing the airflow toward the plurality of drying belts along the path (20), - a step (140) of circulating the airflow between the plurality of drying belts along the path, the airflow becoming laden with water as evaporation progresses, thus becoming damp air, and the method for drying pasty products comprising a step (150) of removing the damp air from the greenhouse.
F26B 3/28 - Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
C02F 11/13 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by heating
F26B 17/08 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materialsMachines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts propelling the materials over stationary surfaces the belts being arranged in a sinuous or zig-zag path
10.
METHOD AND DEVICE TO CLEAN A TREATMENT WATER CONTAINING A VETERINARY PRODUCT FOR AQUATIC ANIMALS
A method to clean a treatment water containing brackish or sea water and further containing a veterinary product for aquatic animals, the method comprising the steps of:
moving the treatment water, from a treatment aquatic area in which the aquatic animals are treated, toward a reaction vessel,
performing a first degradation step of a portion of the veterinary product from the moved treatment water in the reaction vessel by an advanced oxidation process comprising introducing ozone and a basic substance, to obtain a reacting treatment water,
performing a second degradation step of a remaining portion of the veterinary product in the reacting treatment water after the first degradation step, by retaining the reacting treatment water during a predetermined time and without introducing ozone,
reducing the remaining oxidant species of the reacting treatment water, after the second degradation step, in order to obtain a clean treatment water.
The present invention relates to a method for recovering a spent metal-containing homogeneous catalyst using a solid adsorbent selected from bleaching agents, filter aids and mixtures thereof. In particular, the solid adsorbent is selected from bleaching earths, perlites, diatomaceous earths and mixtures thereof. The present invention relates to a method for recovering a spent metal-containing homogeneous catalyst comprising the following steps: (A) providing a solution containing said spent metal-containing homogeneous catalyst, said solution containing at least one solvent selected from water and an organic solvent, (B) adding to said provided solution said solid adsorbent to obtain a suspension of a solid and a solvent, (C) separating said suspension to obtain a purified solvent and the solid adsorbent containing said spent metal-containing homogeneous catalyst adsorbed thereon.
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/12 - Naturally occurring clays or bleaching earth
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
An ozone generation method comprising:
Supplying a crude feed gas comprising oxygen and methane
Performing a catalytic oxidation of methane from the crude feed gas to obtain a treated feed gas
Generating ozone from the treated feed gas.
A material separator system (1) comprising a separation device (10) to separate at least a first group (12) and a second group (13) of material from an incoming stream (14) of material; the stream of material laying on a conveyor belt (110) and being carried along a longitudinal axis (X) to a separation device (10); said material separator system (1) comprising at least one air nozzle (20-29) adapted to blow air between the conveyor belt (110) and the support table (111) in order to create an air-cushion (30) in-between.
B03C 1/247 - Magnetic separation acting directly on the substance being separated with material carried by oscillating fieldsMagnetic separation acting directly on the substance being separated with material carried by travelling fields, e.g. generated by stationary magnetic coilsEddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
B03C 1/30 - Combinations with other devices, not otherwise provided for
B65G 15/60 - Arrangements for supporting or guiding belts, e.g. by fluid jets
A material separator system (1) comprising a separation device (10) to separate at least a first group (12) and a second group (13) of material from an incoming stream (14) of material; the stream of material laying on a conveyor belt (110) and being carried along a longitudinal axis (X) to a separation device (10); said material separator system (1) comprising at least one air nozzle (20-29) adapted to blow air between the conveyor belt (110) and the support table (111) in order to create an air-cushion (30) in-between.
B65G 15/60 - Arrangements for supporting or guiding belts, e.g. by fluid jets
B03C 1/247 - Magnetic separation acting directly on the substance being separated with material carried by oscillating fieldsMagnetic separation acting directly on the substance being separated with material carried by travelling fields, e.g. generated by stationary magnetic coilsEddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
B03C 1/30 - Combinations with other devices, not otherwise provided for
The invention provides a method for controlled biomass densification in a biological treatment of a raw influent, characterized in that it comprises: - A step of subjecting the raw influent to a biological treatment of free suspended biomass, thereby producing a biomass comprising activated sludge; - A step of separation and/or clarification of the activated sludge, thereby producing an effluent and a RAS; - A step of extracting at least part of the RAS and/or part of the activated sludge as a first source of a WAS; - A step of external density-based selection of at least part of the RAS and/or part of the activated sludge, thereby generating an overflow intended to be extracted as a second source of WAS, and an underflow comprising dense biomass aggregates; - A step of producing and/or sustaining dense biomass aggregates, such as aerobic granular sludge or biofilm, by a dense biomass aggregates generating process, with at least part of the raw influent; - A step of subjecting the dense biomass aggregates to the biological treatment; - A step of subjecting the dense biomass aggregates of the underflow to the biological treatment and/or to the dense biomass aggregates generating process; thereby obtaining a densified biomass.
The invention relates to a method for treating a wastewater effluent (20) in a sequencing batch reactor (SBR). The SBR includes a chamber for containing a wastewater-sludge mixture and extraction means capable of extracting sludge at variable levels. The method comprises: - a supply step (101), during which the SBR is supplied in the sludge bed, near the bottom of the chamber; - a reaction sequence (102) comprising a first anaerobic step (103), optionally a second anoxic denitrification step (104), and a third aeration step (105); - a decanting step (106); - a recovery step (107), during which a clarified fraction of the contents of the chamber is drawn off, said recovery (107) and supply (101) steps taking place simultaneously; and - an extraction step (108), during which at least part of the light sludge is extracted at a predetermined level.
The invention relates to a facility for treating a wastewater effluent in a constant-level sequencing batch reactor (SBR), said SBR comprising: - a chamber (11) that is suitable for containing a sludge-wastewater mixture (12) and comprises different levels, each level being defined by a sludge concentration and/or density; - a sludge bed (13) located at the bottom of the chamber (11); - a device for supplying the SBR with a volume of effluent to be treated in the sludge bed (13) near the bottom of the chamber (11), preferably via a distribution network (21) covering the bottom of the chamber; - recovery means (200) for drawing off a clarified fraction of the content (12) of the chamber (11), the SBR (10) being suitable for carrying out a treatment process comprising a reaction sequence (102) including at least one aeration step (105) consisting in aerating the contents of the chamber (11), during which the level of the surface (24) of the mixture (12) rises, a decanting step (106) during which sludge is deposited at the bottom of the chamber (11) and the contents of the chamber (11) are clarified in the vicinity of the surface thereof (24), a recovery step (107) of drawing off the clarified fraction (22) of the contents of the chamber (11), the recovery (107) and supply (101) steps taking place simultaneously, so as to maintain the level of the contents of the chamber (11) substantially constant during said recovery (107) and supply (101) steps, the facility further comprising control means (210) for controlling the recovery means (200).
The present invention relates to a device (1) for holding a measuring apparatus (Ap), comprising an upstream section (2) and a downstream section (3) which are intended to be sealingly connected to an inlet tube (Tbe) and an outlet tube (Tbs) of the measuring apparatus, respectively. According to the invention, one of the sections of the holding device comprises a movable pipe portion, which is pivotable about the axis thereof, with angular travel of less than one revolution, and which is configured to ensure sealed joint compression as a result of the work of cams. A system for controlling and compensating for clearance, the system comprising a toothed ring, makes it possible to ensure pre-adjustment with elimination of clearances, before clamping the joints through the work of the cams, according to a first aspect of the invention, or even replaces the clamping by cams whilst ensuring joint compression by rotating the toothed ring according to a second aspect of the invention.
G01F 15/00 - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
Method to scrub ozone in an ozone scrubber (10) comprising a gas-liquid contactor (20) adapted to bring a reducing liquid (15) in contact with an inlet gas comprising ozone, the method comprising the steps of: ° supplying the inlet gas to the gas-liquid contactor (20), ° supplying fresh reducing liquid to the gas-liquid contactor (20), the fresh reducing liquid comprising an aqueous solution of a reducing agent, ° scrubbing ozone of the inlet gas by a reduction reaction with the reducing liquid under acidic pH conditions.
Method to scrub ozone in an ozone scrubber (10) comprising a gas-liquid contactor (20) adapted to bring a reducing liquid (15) in contact with an inlet gas comprising ozone, the method comprising the steps of: ° supplying the inlet gas to the gas-liquid contactor (20), ° supplying fresh reducing liquid to the gas-liquid contactor (20), the fresh reducing liquid comprising an aqueous solution of a reducing agent, ° scrubbing ozone of the inlet gas by a reduction reaction with the reducing liquid under acidic pH conditions.
The invention relates to a method for treating fluid, notably water, the method further comprising a renewal step (40) in order to recover the adsorption capacities of an adsorbent bed (22), including the extraction (42) of a sample of adsorbent from the adsorbent bed (22), the determination (44) of a target mean age of the extracted adsorbent sample, in particular by the rejuvenation of at least one portion of the extracted adsorbent sample, at which target mean age the extracted adsorbent has a real abatement of pollutants corresponding to a previously set abatement objective, the rejuvenation (46) of the adsorbent bed (22) to the predetermined target mean age. The invention makes it possible to improve the treatment of a fluid by adsorption, and notably to take into account the new contaminants. The invention also relates to a plant for treatment according to the proposed method.
A well regenerating apparatus comprising: a treatment device (41), arranged to regenerate a well screen (WS) in a treatment zone of the well screen (WS), at least an upper packer (31) and a lower packer (32) arranged to isolate the treatment zone between the upper packer (31) and the lower packer (32), characterized in that the well regenerating apparatus comprises a sliding sleeve (20), moveable between: - a lifting position in which the sliding sleeve (20) is connected to both the upper packer (31) and the lower packer (32), - a treatment position, in which the sliding sleeve (20) is disconnected at least from one of the upper packer (31) and the lower packer (32), so as to allow the treatment device (41) to face directly the well screen (WS).
The invention relates to a method for treating fluid, notably liquid, in particular water, containing pollutants, by passing a downward flow of fluid through a bed of activated carbon in the form of grains in a treatment station, said method comprising a partial renewal of activated carbon including at least one injection of activated carbon and at least one extraction of activated carbon. The invention also relates to a plant suitable for the implementation of the fluid treatment method of the invention.
A device for injecting a secondary fluid into a main liquid, includes a first part able to convey a secondary fluid in a substantially longitudinal direction; a second part able to eject the secondary fluid from the device, so as to inject the secondary fluid into a main liquid, the second part being in fluidic connection with the first part and comprising an open end; the device comprising at least a first position, referred to as the low position, and a second position, referred to as the high position, and further comprising a positioning means able to position the device in a position comprised between the first position and the second position.
B01F 23/232 - Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
B01F 23/451 - Mixing liquids with liquidsEmulsifying using flow mixing by injecting one liquid into another
The invention relates to a method for producing a sugar syrup comprising fermentable sugars from lignocellulosic biomass containing paper waste, in particular printable paper, printed paper or cardboard, said method comprising the following steps: a. optionally, a step of shredding said lignocellulosic biomass containing paper waste; b.i. a step of impregnating said lignocellulosic biomass containing paper waste or shredded lignocellulosic biomass obtained on completion of step a. in an aqueous medium, and ii. a thermal pretreatment step implemented, without the addition of acid, at a temperature of between 80°C and 150°C, at a pH between 6.5 and 8.5, in particular between 6.5 and 8, in order to obtain a pretreated product, said impregnation and thermal pretreatment steps being carried out simultaneously or successively according to i. and then ii; c. a step of enzymatic hydrolysis of the pretreated product obtained on completion of step b. in order to convert the cellulose and hemicellulose into a sugar syrup comprising fermentable sugars; and d. a step of recovering the sugar syrup comprising fermentable sugars obtained on completion of step c.
The invention relates to a method for biological treatment of an effluent, the effluent to be treated containing nitrogen in the form of ammonium and having a carbonaceous matter concentration measured by the chemical oxygen demand COD greater than or equal to 1 g per litre of effluent, the method comprising: a) a step of anaerobic digestion of the effluent to be treated in order to produce biogas and a digestate constituting a first liquid effluent having a reduced carbonaceous matter content, this step being implemented in a covered lagoon provided with a biogas recovery device, b) a step of biological treatment of the digestate obtained in step (a) in order to produce a second liquid effluent with reduced nitrogen content.
C02F 103/06 - Contaminated groundwater or leachate
C02F 103/20 - Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
C02F 103/22 - Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
C02F 103/26 - Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
C02F 103/28 - Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
C02F 103/32 - Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
C02F 103/34 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups
C02F 103/30 - Nature of the water, waste water, sewage or sludge to be treated from the textile industry
The present invention relates to a method for controlling for PFAS removal from a liquid effluent by means of a control system (100), said control system including a PFAS treatment unit (10) dedicated to the treatment of perfluoroalkyls and polyfluoroalkyl substances PFAS including at least one treatment stage optionally chosen from a PFAS treatment stage, a short chain PFAS treatment stage and a long chain PFAS treatment stage. The method allows activating the PFAS treatment unit only when PFAS, in particular specific PFAS, are detected into the liquid effluent to treat. The invention also relates to a control system (100) to implement the method of the invention.
The present invention relates to a method for controlling for PFAS removal from a liquid effluent by means of a control System (100), said control System including a PFAS treatment unit (10) dedicated to the treatment of perfluoroalkyls and polyfluoroalkyl substances PFAS including at least one treatment stage optionally chosen from a PFAS treatment stage, a short chain PFAS treatment stage and a long chain PFAS treatment stage. The method allows activating the PFAS treatment unit only when PFAS, in particular spécifie PFAS, are detected into the liquid effluent to treat. The invention also relates to a control System (100) to implement the method of the invention.
Computer-implemented method (1) for detecting anomalies in a dataset, implementing an unsupervised machine learning module, comprising a step of generating (10-10'') a plurality of noisy copies of all or some of the data of the training dataset, each noisy copy being obtained based on at least one noise generation parameter, for each noisy copy, a step of training (12-12'') said machine learning module based on said associated noisy training dataset, and a step of determining (14, 14') the noisy training dataset exhibiting a maximum detection performance.
The invention relates to a method for selectively removing micro-contaminants from sludge, said method comprising: a) Providing sludge (10) contaminated with micro-contaminants, and b) Subjecting said sludge (10) to a primary treatment step, thereby producing a first stream (11) of primary sludge (12) comprising a first part (13) of micro- contaminants and a second stream (21) of remaining sludge (22) comprising a second part (23) of micro-contaminants, c) Subjecting the second stream (21) of remaining sludge (22) to a secondary treatment step, thereby producing biological sludge (24), wherein the first stream (11) of primary sludge (12) and the biological sludge (24) are further subjected to separate treatment steps whose effects are coupled, so as to divert, capture and destroy the first part of micro-contaminants in the primary treatment step.
Water meter, configured to supply water at a customer site, including: − a water flow regulating valve configured to assume at least three predetermined positions including a fully open position configured to let a maximum water flow to be supplied at said customer site, a closed position configured to prevent water flow to be supplied at said customer site, and at least one intermediate position configured to let at least one respective intermediate water flow, lower than the maximum water flow, to be supplied at said customer site; − an actuator operatively coupled to the water flow regulating valve and configured to automatically set a current position of the water flow regulating valve selected out of said at least three predetermined positions; − a pressure sensor configured to detect water pressure upstream of the water flow regulating valve; − a processing and communicating unit, operatively connected to the actuator, that is configured to communicate with a remote water provider centre to receive water flow regulating valve setting data, wherein said processing and communicating unit is further operatively connected to said pressure sensor to receive water pressure data sensed by said pressure sensor; wherein said processing and communicating unit is configured to control the actuator to cause the water flow regulating valve to assume said current position corresponding to valve position setting data that are correlated to said water flow regulating valve setting data and to said water pressure upstream of said water flow regulating valve detected by said pressure sensor, wherein said water flow regulating valve setting data are in turn correlated to a customer profile.
G05D 7/06 - Control of flow characterised by the use of electric means
G01F 15/00 - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
The invention relates to the field of measuring and monitoring liquids. More specifically, the invention relates to the detection of a change in the physico-chemical composition of a liquid. For this purpose, the invention is based on a set of measurements from sensors co-located in the liquid, and applies data clustering to the set of measurements. If at least two measurement clusters are identified, an abnormal change in the composition of the liquid is detected.
A process for separating polymer materials, comprising the following steps: a) a support (18) at least partially coated with a thermoplastic polymer (20) is provided, said thermoplastic polymer having a given glass transition temperature Tg; b) the temperature of said thermoplastic polymer (20) is reduced to a temperature Tinf lower than said glass transition temperature Tg of said thermoplastic polymer; c) said thermoplastic polymer (20) is mechanically treated at said temperature Tinf in order to detach said thermoplastic polymer from said support; and d) said detached thermoplastic polymer (20) is recovered.
The invention relates to a method for separating polymeric materials, characterized in that it comprises the following steps: a) providing a plurality of liquid filtration modules, each comprising a framework made of first polymeric materials and a filtering membrane made of a second polymeric material having a porous structure; b) grinding said plurality of liquid filtration modules to obtain a ground material of polymeric material particles having a predetermined particle size; c) causing a gravity flow of the ground material of polymeric material particles between an upstream zone (50) and a downstream zone (52), while a gaseous fluid is caused to flow in countercurrent to said gravity flow, so as to be able to drive the only particles of said second polymeric material towards said upstream zone (50); and d) recovering the particles of said second polymeric material in a recovery zone located towards said upstream zone (50).
The invention relates to an air purification facility (1) comprising a particle filtration unit (10), a treatment unit (20) and a unit comprising a treatment agent, and a unit for capturing (30) carbon and nitrogen oxides, which unit comprises at least one bioreactor (31) containing microalgae capable of photosynthetically converting carbon dioxide into organic compounds. The air entering the facility passes through the filtration unit so as to be freed of particles and exits the facility after passing through the treatment unit, in which a treatment agent captures at least one portion of the nitrogen oxides (NOx) contained in the air.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
The present invention relates to the use of sol-gel matrix to prevent or reduce the degradation of pipes of an existing water distribution network. More specifically, the invention discloses a pipe element of an existing water distribution network having: a. a pipe body extending along a central axis, the pipe body having an internal surface and an external surface; and b. a coating applied onto said internal surface, said coating comprising a sol-gel matrix obtained by a sol-gel processed composition. The present invention also relates to a method for coating the internal surface of a pipe body of a pipe element of an existing water distribution network using a sol-gel matrix obtained by a sol-gel processed composition.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
C08G 77/24 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen halogen-containing groups
F16L 55/162 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
F16L 58/10 - Coatings characterised by the materials used by rubber or plastics
38.
METHOD FOR DEFINING AND REGULATING A DOSE OF COAGULANT FOR A COAGULATION TREATMENT OF RAW WATER
The invention relates to a method for defining and regulating a dose of coagulant to be injected into a means for treating a raw water by coagulation to give a clarified water, comprising: - a step of defining an optimal dose of coagulant, said defining step using at least one organic parameter capable of giving information on the amount of organic matter of a raw water, and being a function of a target value of the organic parameter defined for the clarified water; - a step of measuring the actual value of the organic parameter of the clarified water; - a step of determining a difference between the actual value and the target value of the organic parameter for the clarified water; and, - if the difference is below a lower threshold or above an upper threshold, a step of regulating the dose of coagulant to be injected, said regulating step starting from the defined optimal dose of coagulant and comprising: - a step of increasing the dose of coagulant if the difference between the actual value and the target value of the organic parameter is above the upper threshold; or - a step of decreasing the dose of coagulant if the difference between the actual value and the target value of the organic parameter is below the lower threshold.
The invention relates to a method for separating soluble salts contained in a residue containing at least three salts, typically sodium, potassium and calcium salts. The invention further relates to a system for carrying out the separation method according to the invention.
The invention relates to a waste water treatment facility comprising a primary treatment unit (UTP), a biological treatment unit (UTB) and a control unit configured to: • determine a ratio C/N and/or respectively a ratio C/P, between a quantity of organic carbon contained in the water to be treated by the UTB and/or in the water being treated in the UTB, and a quantity of total or partial nitrogen contained in the water to be treated by the UTB and/or in the water being treated in the UTB and/or respectively a quantity of total or partial phosphorus contained in the water to be treated by the UTB and/or in the water being treated in the UTB, • controlling one or more operating parameters of the UTP in order to minimise a difference between the ratio C/N and a first setpoint, and/or respectively in order to minimise a difference between the function C/P and a second setpoint, so as to control, over time, the quantity of organic carbon contained in the water to be treated by the UTB and/or the water being treated in the UTB.
The present invention pertains to a process for providing decontaminated and mineralized drinking water from polluted fresh or brackish water. It further pertains to a water treatment installation for providing decontaminated and mineralized drinking water from polluted fresh or brackish water.
The invention relates to a method (1) for predicting the consumption of a resource, such as water, on at least part of a network for distributing the resource, including an optimisation step (11) comprising: - a sub-step (114) of calculating a prediction performance criterion for each regression module of a plurality of regression modules; and - a sub-step (115) of selecting the regression module from the plurality of modules depending on the calculated performance criterion.
Object-sorting assembly (1, 1'), comprising an identification and/or characterization member (11) installed in a sorting circuit (10), a sorting member (12), an object-stream diverting device (13) able to extract at least a portion of the stream of objects from the sorting circuit (10); and a control member (131) for commanding said stream-diverting device (13) to divert at least a portion of the stream of objects from said sorting circuit (10).
0nn) depending on the index values acquired for the second preset period, and - a decision step (13) during which it is determined, depending on the calculated synthetic variables, whether the meter is blocked.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
The invention concerns a valve apparatus (20) intended to regulate a fluid flow from a fluid network comprising: a. a body (11) through which the fluid is intended to flow, configured to connect the valve apparatus (20) to the fluid network; b. a gate (13) positioned inside the body (11) and configured to move between an open position in which the fluid is intended to flow through the body (11) and a closed position in which the fluid is not intended to flow through the body (11); c. a stem (14) extending along a first axis Z comprising an upper part (16) and a lower part (17), the lower part (17) being connected to the gate (13); d. a handle (18) configured to engage with the upper part (16) of the stem (14); characterized in that the body (11) comprises a first abutment (21) for the handle (18) in translation according to the first axis Z, the first abutment (21) being configured so as to form a gap (22) between the handle (18) and the 20 upper part (16) of the stem (14), the first abutment (21) being further configured to form at least one contact surface (32, 72) with the handle (18), and a second abutment (23) for the handle (18) in rotation according to the first axis Z, and in that the handle (18) comprises an inner surface (24) configured to 25 form a linear guideway of the upper part (16) of the stem (14) according to the first axis Z, so that a rotation of the handle (18) around the first axis Z rotably moves the stem (14) around the first axis Z relative to the body (11) so as to move the gate (13) between the open position and the closed position.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 27/06 - Construction of housingsUse of materials therefor of taps or cocks
A method and a filtration system for filtration of a liquid by a filtration system is disclosed. The filtration system is configured with filtration parameters, the filtration parameters comprising at least a filtration time and a filtration flux of the liquid through the filtration system. The method comprises: determining fouling indicators from the filtration system, comparing a set of fouling indicators with corresponding setpoints; performing an action on the filtration system based on a result from the comparison, and establishing the setpoints based on a received operational mode, whereby the operational mode is one of expanding the lifecycle of the filtration system or maximizing a total volume of the filtered liquid.
The invention relates to a method for incinerating organic matter derived from the treatment of wastewater, or of industrial or agricultural waste, such as sludge and notably treatment plant sludge, in a fluidized-bed incineration furnace, said furnace comprising a chamber in the lower part of which there is a bed of particles, preferentially sand, constituting a fluidization zone Zf, in which fluidization zone Zf the organic matter is introduced as fuel whilst air is injected as oxidizer into the bed of sand from a wind box through a fluidization dome surmounting said box, the air passing through passages made in the fluidization dome, the furnace being configured to treat a nominal value Vn of volume of organic matter to be treated Vmo. The invention consists in that the method comprises a step of adjusting the volume of the fluidization zone Zf as a function of the volume of organic matter to be treated Vmo in which, when the volume of organic matter to be treated Vmo is lower than the nominal value Vn, the volume of the fluidization zone is reduced from an initial volume Vfi to a reduced volume Vfr, and the incoming air flow is reduced by closing air passages so only the passages opening into the thus reduced fluidization zone Zfr are left active.
4222, and - a filtrate F1 containing readily biodegradable carbons such as VFAs, c) Subjecting at least part of the filtrate F1 to an anaerobic treatment step in an anaerobic tank (13), leading to a digestate (14). The invention also relates to an installation for treating carbonaceous material.
The invention concerns a process of treatment of carbonaceous material, such as wastewater sludge or organic waste, comprising the steps of : (1) performing a thermal treatment of said carbonaceous material, thereby providing thermally treated carbonaceous material, (2) cooling of said thermally treated carbonaceous material, thereby providing cooled carbonaceous material, and (3) performing a post-treatment of said cooled carbonaceous material, wherein the cooling of step 2) is performed using a vacuum cooling step.
Assembly for metering a fluid comprising: an electromagnetic static fluid meter, said meter comprising: a measurement chamber through which the fluid can flow; an inlet tube for letting the fluid into said chamber; an outlet tube for letting the fluid out of said chamber; a parasitic current bypass means comprising: a first electrically conductive element connected to the inlet tube and designed to be in electrical contact with the fluid when it flows through the inlet tube; a second electrically conductive element connected to the outlet tube and designed to be in electrical contact with the fluid when it flows through the outlet tube; a third electrically conductive element connecting the first electrically conductive element and the second electrically conductive element.
C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
C23F 11/18 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
C23F 14/02 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
54.
METHOD AND DEVICE TO CLEAN A TREATMENT WATER CONTAINING A VETERINARY PRODUCT FOR AQUATIC ANIMALS
A method to clean a treatment water containing brackish or sea water and further containing a veterinary product for aquatic animals the method comprising the steps of moving the treatment water, from a treatment aquatic area in which the aquatic animals are treated, toward a reaction vessel, performing a first degradation step of a portion of the veterinary product from the moved treatment water in the reaction vessel by an advanced oxidation process comprising introducing ozone and a basic substance, to obtain a reacting treatment water, performing a second degradation step of a remaining portion of the veterinary product in the reacting treatment water after the first degradation step, by retaining the reacting treatment water during a predetermined time and without introducing ozone, reducing the remaining oxidant species of the reacting treatment water, after the second degradation step, in order to obtain a clean treatment water.
The invention relates to a waste collection assembly (1), comprising a voluntary intake container (10) for receiving waste. The invention is characterised in that the assembly (1) comprises at least one image acquisition means (111-113) positioned and oriented so as to be able to capture at least one image of at least one area of the ground (3) in the vicinity of the voluntary intake container (10), the assembly (1) further comprising a detection device (20,21) capable of receiving the at least one image from the image acquisition means (111-113) and detecting in the at least one image the presence of waste (50) on the ground (3).
An artificial aquatic habitat module (1) comprising a body (11), a plurality of flexible strands (12) fixed on said body (11) and fixing means intended to fix the module (1) on a submerged support, the body (11) being formed by a loop-shaped element that forms at least one of said means for fixing on the support, the strands (12) extending by radial projection at least on a portion of the periphery of said loop-shaped body (11).
Method for supplying oxygen into an aeration tank (18a, 18b) of a wastewater treatment system (1), - the wastewater treatment system (1 ) comprising: - at least one aeration tank (18a, 18b), - an ozone generating unit (11) supplied with at least oxygen, - an ozonation tank (12) outputting a vent gas, - the method comprising the steps of: - measuring an ozone content in the vent gas to be supplied to the aeration tank (18a, 18b), - comparing the measured ozone content to an ozone content threshold, - supplying the aeration tank (18a, 18b) directly with the vent gas if the measured ozone content is below the ozone content threshold, or - treating the vent gas so as to decrease its ozone content, if the measured ozone content is equal or above the ozone content threshold, and supplying the aeration tank (18a, 18b) with the treated gas.
A device (10) for removing a blocking material in a quenched ash extractor drain pipe (2) of an incineration system is provided. The device (10) comprises: a pipe (11); a connecting part (12) configured to connect the pipe (11) to a gate valve (30) of the quenched ash extractor drain pipe (2); and a ram (13) with a first end (16) configured to break the blocking material and to be slidably guided through the pipe (11) into the quenched ash extractor drain pipe (2). Hence the device (10) provides an improved solution to remove more safely and effectively the hot water from a quenched ash extractor (222) then therefore the blockage of incinerator bottom ashes in the quenched ash extractor (222) of the incineration system.
An ozone generation method comprising: ? Supplying a crude feed gas comprising oxygen and methane ? Performing a catalytic oxidation of methane from the crude feed gas to obtain a treated feed gas ? Generating ozone from the treated feed gas.
C01B 3/36 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
60.
OZONE GENERATION METHOD AND OZONE GENERATION DEVICE
An ozone generation method comprising: • Supplying a crude feed gas comprising oxygen and methane • Performing a catalytic oxidation of methane from the crude feed gas to obtain a treated feed gas • Generating ozone from the treated feed gas.
C01B 3/36 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
C01B 3/38 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
The invention relates to a method for processing liquid or pasty excavated material comprising a step of storing said material in an open container, a step of adding a dehydrating agent to said material in the container and a step of mixing the material and the dehydrating agent carried out in the container. The invention also relates to a facility for processing liquid or pasty excavated material comprising a container capable of containing liquid or pasty material, adding means capable of adding a dehydrating agent into said container and open mixing means capable of mixing the dehydrating agent with the liquid or pasty material in the container.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The invention relates to a method for recovering phosphorous in sewage effluent (9, 10) derived from a biological treatment step (100), said effluent comprising a solid fraction and a liquid fraction, characterised in that it comprises: a) a first step (101) of separating at least part of the solid fraction of the effluent (9, 10) in order to obtain a light effluent (13) and a heavy effluent (14), the heavy effluent (14) comprising polyphosphate-accumulating organisms (15) loaded with phosphorous; b) a second step (102) of salting-out of the phosphorous by the polyphosphate-accumulating organisms (15) loaded with phosphorous from the heavy effluent (14) to form an effluent rich in dissolved phosphorous (17) and containing the polyphosphate-accumulating organisms (15) discharged of phosphorous, the effluent rich in phosphorous (17) comprising a liquid fraction rich in dissolved phosphorous; c) a third step of separating the effluent rich in dissolved phosphorous into a liquid fraction rich in dissolved phosphorous (18) and a solid fraction rich in polyphosphate-accumulating organisms discharged of phosphorous (19); d) a fourth step (103) of recirculating the solid fraction from the third step (18) to the biological processing step; e) a fifth step (108) of precipitating the dissolved phosphorous from the liquid fraction of the effluent rich in dissolved phosphorous (19) in the form a phosphorous-based solid (24).
The invention relates to a marine monitoring and analysis station (100) comprising a floating base and an electric storage battery (110); characterised in that the marine monitoring and analysis station (100) comprises: - an acoustic acquisition member (140) for an underwater environment; and - an acoustic analysis device (130) for analysing the acoustic signal coming from the acoustic acquisition member (140), including computation means (131) for detecting by frequency analysis of said acoustic signal at least one pulse signal emitted by a living organism and/or a transient signal emitted by a living organism or coming from a boat.
G01V 1/00 - SeismologySeismic or acoustic prospecting or detecting
G01V 1/38 - SeismologySeismic or acoustic prospecting or detecting specially adapted for water-covered areas
G01H 3/00 - Measuring vibrations by using a detector in a fluid
B63B 35/00 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
G10L 17/26 - Recognition of special voice characteristics, e.g. for use in lie detectorsRecognition of animal voices
G10L 25/51 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination
The invention relates to a computer-implemented method, computer program, and device for evaluating pipe condition of pipe sections of a pipe network. To do so, the pipe sections are clustered into classes based on structural and environmental parameters; within each class a sample of pipe sections are selected to be inspected. The scores that are obtained through the inspection are used to train a model of pipe conditions of pipes in a class, in order to estimate the pipe conditions of pipes that have not been inspected.
G01M 3/24 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
G06N 3/12 - Computing arrangements based on biological models using genetic models
The invention relates to a method for cyanobacteria removal in an aqueous solution, comprising a first main step of determining a percentage of coagulable dissolved aromatic organic matter to remove corresponding to a cyanobacteria percentage concentration to remove, a second main step of determining an optimal coagulant dose corresponding to the determined percentage of coagulable dissolved aromatic organic matter to remove and a third main step of applying said optimal coagulant dose as the adjusted coagulant dose for cyanobacteria removal. The invention may comprise an evaluation of cyanobacteria concentration in the aqueous solution. The invention may comprise a metabolite removal step adapted for removing dissolved cyanobacteria metabolites, comprising applying a powdered activated carbon dose/contact time couple as by determining at least one Freundlich coefficient for each metabolite type in the aqueous solution.
The invention relates to a computer-implemented method, computer program, and device for evaluating timed-based probabilities of failure of sections of a pipe network. To do so, the pipe sections are clustered into classes based on structural and environmental parameters; within each class a sample of pipe sections are selected to be inspected. The scores that are obtained through the inspection are used to train a model of pipe conditions of pipes in a class, in order to estimate the pipe conditions of pipes that have not been inspected. The pipe conditions are used to parameterize a predictive model of pipe failures.
G01M 3/24 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
G06N 3/12 - Computing arrangements based on biological models using genetic models
G06N 5/00 - Computing arrangements using knowledge-based models
The invention relates to a device (2) for injecting a secondary fluid (F) into a main liquid (L), comprising: - a first part (21) able to convey a secondary fluid (F) in a substantially longitudinal direction (Z); - a second part (22) able to eject the secondary fluid (F) from the device, so as to inject said secondary fluid into a main liquid (L), said second part being in fluidic connection with the first part (21) and comprising an open end (22a); the device comprising at least a first position (Z1), referred to as the low position, and a second position (Z2), referred to as the high position, and further comprising a positioning means (24) able to position the device in a position comprised between the first position (Z1) and the second position (Z2).
The invention is directed to systems and methods of providing a bioreactor system for the treatment of water or wastewater. Systems may include a treatment tank including water or wastewater being treated and inert biomass carriers for supporting a biofilm of microorganisms; an influent conduit providing an influent to the treatment tank; a microbubble or nanobubble generator receiving a fluid and generating microbubbles or nanobubbles in the fluid; a microbubble or nanobubble conduit providing the fluid with microbubbles or nanobubbles to the treatment tank; and an effluent conduit removing treated water or wastewater from the treatment tank. Methods may include determining characteristics of the water or wastewater being treated including the pH, temperature, oxidation reduction potential, and/or dissolved oxygen and based on the determined characteristics adjusting the amount of microbubbles or nanobubbles provided into the treatment tank.
The invention relates to a system and a method for classifying articles in a flow of articles to be separated, the flow of articles to be separated being installed on a conveying device (1), comprising: - an image acquisition member (8) installed so as to be able to acquire at least one image of a portion of the flow of articles to be separated; - a first overhanging light source (4), which emits in the visible spectrum and illuminates the portion of the flow of articles to be separated, the at least one image of which is acquired by the image acquisition member (8); a classification member capable of classifying the articles of the portion of the flow of articles to be separated according to the at least one acquired image; and at least one second light source (5, 6, 7), of a different nature than the first light source (4), allowing additional visual information to appear on the at least one acquired image.
Ambient air quality monitoring housing (1) comprising an external wall (12) enclosing a sensing unit (2) having a sensing region (3), the housing (1) comprising: an airflow inlet (4) receiving incoming ambient air; a U-shaped path (5) comprising: - a straight first part (6) in fluid communication with the airflow inlet (4) for: receiving the incoming ambient air; and providing an airflow direction, - a bended second part (7) in fluid communication with the first part (6) and turning the airflow direction, and - a straight third part (8) in fluid communication with the second part (7) wherein the relative position of the third part (8) is such that the airflow flowing through the third part (8) is configured to be directed parallel to the sensing region (3) so that it is able to detect and measure particles and gases entrained in the ambient air.
Disclosed is a sludge treatment method comprising: a) receiving sludge and thickening the sludge; b) analyzing a calorific value of the thickened sludge to obtain a dry-base lower calorific value of the thickened sludge and measuring a solid content and volume of the thickened sludge to obtain a dry-base weight of the thickened sludge; c) dosing pulverized bituminous coal and organic polymer into the thickened sludge for chemical conditioning, wherein the dosing amount of the pulverized bituminous coal and of the organic polymer are determined according to the dry-base lower calorific value and dry-base weight; d) after chemical conditioning, dewatering the thickened sludge in a filter press; and e) after dewatering, incinerating the thickened sludge in an incinerator.
characterized in that the ozone generating machine (OGM) further comprises a closed loop cooling liquid circuit (CLC) comprising a converter liquid cooling portion (CECV) arranged to cool the electric current converter (ECV) and connected with the liquid-liquid heat exchanger (LLHEX).
The present invention relates to the field of odour treatment. In particular, the invention relates to a method for managing a waste gas treatment device. The method comprises the following steps: - a step of taking into account gaseous pollutant concentration predictions at at least one point in a predefined geographical area (100); a step of comparing each predicted gaseous pollutant concentration at the at least one point of the predefined geographical area with a gaseous pollutant concentration reference value; - a step of transmitting, to a control unit (11) of a bypass air line (8) of a waste gas treatment unit (4), a command to at least partially open the bypass air line (8) when the result of the comparison indicates that at least one predicted gaseous pollutant concentration value is less than a gaseous pollutant concentration reference value.
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 53/30 - Controlling by gas-analysis apparatus
74.
METHOD FOR IDENTIFYING THE SOURCE OF PRESSURE TRANSIENT IN A WATER NETWORK
Method (1) for identifying the source of pressure transients in a water distribution network comprising a plurality of high-frequency pressure sensors installed therein, said method comprising : - An acquisition step (10) to acquire a plurality of pressures values for each high frequency pressure sensor during a preset time limit, said plurality of pressures values defining a sampled pressure variation record nearby each sensor during said preset time limit; - A detection step (11) for detecting transient events amongst the sampled pressure variation record; - A grouping step (12) for grouping detected transient events amongst the sampled pressure variation record; and - A localization step (13) for localizing the source of said grouped transient events in function of said sampled pressure variation records.
E03B 7/07 - Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01M 3/00 - Investigating fluid tightness of structures
F17D 5/00 - Protection or supervision of installations
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
75.
COMPUTER-IMPLEMENTED METHOD FOR DETECTING CONSUMERS COMMITTING FRAUD IN THE CONSUMPTION OF A UTILITY
1234123412344) between the time-series forecasting model and the consumption readings before and after the abnormal event; clustering the prediction errors (C1, C2, C3) in time sequences; and detecting that the consumer is potentially committing fraud if the number of clusters of prediction errors is more than one.
The invention concerns a method for phosphorus recovery and ammonium abatement from wastewater comprising phosphorus, ammonium and magnesium, comprising: · a first step (101) of acid-phase digestion of a first mixture of solids, liquids and microorganisms from wastewater, wherein said microorganisms contain phosphorus and ammonium, so as to produce methane and a second mixture comprising magnesium, ammonium and dissolved phosphorus; · a second step (102) of separating the phases of the second mixture into a phosphorus-rich liquid and a third phosphorus-reduced mixture; · a third step (103) of mesophilic methanogenesis of the third phosphorus-reduced mixture, so as to produce methane and a fourth ammonium-rich mixture; · a fourth step (104) of dewatering the fourth ammonium-rich mixture to produce an ammonium-rich liquid and a phosphorus-reduced, ammonium-reduced sludge; · a fifth step (105) of mixing the ammonium-rich liquid with the phosphorus-rich liquid in a precipitation device, so as to form struvite and a struvite free, phosphorus free liquid.
INSTITUT NATIONAL DE RECHERCHE EN SCIENCES ET TECHNOLOGIES POUR L'ENVIRONNEMENT ET L'AGRICULTURE (IRSTEA) (France)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
INSTITUT NATIONAL POLYTECHNIQUE DE TOULOUSE (France)
Inventor
Bergel, Alain
Bouchez, Théodore
Blanchet, Elise
Erable, Benjamin
Etcheverry, Luc
Fayolle, Yannick
Huyard, Alain
Le Quemener, Elie
Mauricrace, Pierre
Tian, Jianghao
Abstract
A bio-electrochemical device comprising at least one bio-anode immersed in an electrolyte containing anodic electroactive microorganisms characterised in that it comprises a diffuser (6), connected to a gas source, and arranged in a zone situated below or in the lower part of the bio-anode, the diffuser having outlet openings (9) for the gas capable of generating gas bubbles (11) sweeping the surface of this bio-anode and/or causing turbulences around it, the bubbles (11) being used to regenerate this bio-anode, during the functioning of the electrochemical device. A method for regenerating a bio-anode (3) by means of the above device, that can be combined with a reduction in the difference in potential between the bio-anode (3) and the cathode (5).
INSTITUT NATIONAL DE RECHERCHE EN SCIENCES ET TECHNOLOGIES POUR L'ENVIRONNEMENT ET L'AGRICULTURE (IRSTEA) (France)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
INSTITUT NATIONAL POLYTECHNIQUE DE TOULOUSE (France)
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE (INRA) (France)
Inventor
Bergel, Alain
Bernet, Nicolas
Blanchet, Elise
Bouchez, Théodore
Erable, Benjamin
Etcheverry, Luc
Huyard, Alain
Le Quemener, Elie
Mauricrace, Pierre
Moreau, Sylvain
Tian, Jianghao
Trably, Eric
Abstract
The invention relates to a bioelectrochemical reactor (1) which comprises: - an anode chamber (11) having at least two bioanodes (12, 13), and an anodic electrolyte (14) comprising anodic electroactive microorganisms, - a cathode chamber (21) comprising at least one biocathode (22), and a cathodic electrolyte (24) comprising cathodic electroactive microorganisms, - the anode chamber (11) being separated from the cathode chamber (21) by, running from the anode chamber to the cathode chamber, a cation exchange membrane (31) and an anion exchange membrane (32), said cation and anion exchange membranes being separated from each other by an inter-membrane chamber (30), and - means for applying a potential difference between the interconnected bioanodes and the biocathode/biocathodes, the bioanodes and biocathode/biocathodes having active surfaces such that the total active surface of the biocathode/biocathodes (22) is greater than the total active surface of the two bioanodes (12, 13). The invention also relates to a method for regenerating the activity of the bioanodes of the reactor and to the use of said reactor for the electrosynthesis of organic acids and/or alcohols from organic waste.
The invention relates to a method for treating an aqueous effluent containing organic compounds, said method comprising the following steps: a step of adsorption of the organic compounds, comprising a step of bringing at least a portion of the aqueous effluent to be treated into contact with a solid adsorbent medium; a step of decompacting the solid adsorbent medium; and a first step of desorption of the solid adsorbent medium, comprising a step of bringing a desorption fluid into contact with all or a portion of the solid adsorbent medium. The invention also relates to a device for treating an aqueous effluent for implementing the treatment method.
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
80.
METHOD FOR THE DESORPTION OF A SOLID ADSORBENT AND ASSOCIATED DEVICE
The invention relates to a method for the desorption of a solid adsorbent medium capable of adsorbing organic compounds from an aqueous effluent, said method comprising the following steps: a step of providing an adsorbent medium resulting from an adsorption process at an adsorption temperature; a step of supplying a desorption liquid; a step of bringing the desorption liquid into contact with the solid adsorbent media, comprising a step of regulating a desorption temperature between a first temperature higher than or equal to the adsorption temperature and a second temperature lower than a boiling point of said desorption liquid. The invention also relates to a device for the desorption of a solid adsorbent medium. The invention further relates to a device for treating aqueous effluents containing organic compounds as well as to a treatment method comprising such a desorption method. Finally, the invention relates to the use of a liquid at a desorption temperature higher than the adsorption temperature and lower than its boiling point.
An approach to determining and monitoring the depth of grease in a grease trap is provided, based on a capacitative detector, whereby the respective capacitance across multiple electrodes distributed along the detector are determined, and on the basis of the measured capacitance values and the distribution of the electrodes, the position of a transition from water to grease, grease to air, or otherwise the depth of accumulated grease in the trap. Information may be transmitted by the detector for remote processing, which may in turn be used to schedule maintenance, issue alerts, and the like.
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
The invention concerns a method for determining a coagulant dose for raw water, comprising: − a step of determining a value for the raw water of a first, organic parameter; − a step of determining a value for the raw water of a second, mineral parameter; − a step of determining a class of water for the raw water, characterised by the value of the first, organic parameter and the value of the second, mineral parameter; − a step of determining a value for the raw water of a third, organic parameter; − a step of defining a target value for the decanted water of the third, organic parameter; − a step of selecting a function relating the third, organic parameter and an added coagulant dose, said function being selected for the class of water and for the value for the raw water of the third, organic parameter; − a step of using the function to determine the coagulant dose in order to attain the target value.
The present invention aims to place sensors in a fluid distribution network by simulating network operating scenarios; by determining candidate sets of sensor positions; by determining the measurements of each sensor in each scenario, and the detection of related anomalies; by attributing a score to each candidate set of sensor positions, representing the capacity of the sensors placed in the positions of the set to perform a mission. Finally, the candidate sets are modified using algorithms referred to as genetic until a stoppage criteria is validated. The genetic algorithms may, for example, consist of crossing or mutating candidate sets.
The invention concerns a method for determining an optimal dose of coagulant for raw water comprising: − a step of determining a value, for the raw water, of a first organic parameter; − a step of determining a value, for the raw water, of a second mineral parameter; − a step of determining a class of water for the raw water, characterised by the value of the first organic parameter and the value of the second mineral parameter; − a step of determining a value, for the raw water, of a third organic parameter; − a step of defining a target value, for the clarified water, of the third organic parameter; − a step of selecting a function between the third organic parameter and an added dose of coagulant, said function being selected for the class of water and for the value, for the raw water, of the third organic parameter; − a step of using the function to determine a first dose of coagulant in order to reach the target value.
Disclosed is an apparatus for the gravitational separation of the first and second liquid phases of a two phase liquid containing predominantly a continuous first liquid phase with a dispersed second liquid phase having a lower specific gravity than the first liquid. The apparatus comprises a tank defining an interior chamber. A feed inlet introduces the two 5 phase liquid into the lower portion of the chamber. The upper portion of the chamber has an upward flow zone through which the two phase liquid rises, with the dispersed second liquid rising more than the first liquid and being separated therefrom due to the second liquid's lower specific gravity. The second liquid forms a floating layer and a conduit directs separated second liquid from the floating layer to a second liquid outlet.
The invention relates to a method for the real-time validation of data provided by a rain sensor. The method comprises steps of: - receiving, over a given time window, rain data from a sensor and weather data from at least one weather radar; - calculating a coefficient of sensor/radar similarity between the rain data received from said sensor and the weather data received from said at least one weather radar; - comparing the obtained value of the coefficient of sensor/radar similarity with a sensor/radar threshold value; and - validating the rain data from said sensor if the value of the coefficient of sensor/radar similarity is greater than or equal to the sensor/radar threshold value.
The invention relates to a method for preventing the formation of white rust on a steel surface coated at least partially with zinc comprising a) bringing said surface, preferably under thermal load, into contact with an aqueous composition, the pH of which is between 6.5 and 8.5 comprising at least one organic acid of formula (I): R-X-OH wherein X represents C(O) or S(O)2, and R represents an organic chain. The invention also relates to a composition, and also to a cooling tower treated by the method according to the invention.
C02F 5/10 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The invention relates to a method for preventing the formation of white rust on a steel surface coated at least partially with zinc comprising a) bringing said surface, preferably under thermal load, into contact with an aqueous composition, the pH of which is between 6.5 and 8.5 comprising at least one organic acid of formula (I): R-X-OH wherein X represents C(O) or S(O)2, and R represents an organic chain. The invention also relates to a composition, and also to a cooling tower treated by the method according to the invention.
C02F 5/10 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
C09K 8/528 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The invention relates to a method for treating a contaminated gas comprising the following steps: circulating the contaminated gas in a gas/liquid contactor, referred to as contactor, then circulating the contaminated gas in a filter unit, referred to as filter unit, said method comprising, in the contactor, bringing a circulating liquid into contact with the contaminated gas, said circulating liquid having a temperature of between 2 and 15°C, preferably between 5 and 10°C, and also relates to a treatment unit for the implementation of said method comprising a gas/liquid contactor and a filter unit.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
The invention relates to a method for lining, without an annular space, a pipe that has a first diameter and extends substantially in a longitudinal axis, said method being characterised in that it comprises the following steps: inserting (101), into the pipe, by translation in the longitudinal axis, a first tubular portion consisting of a viscoelastic material and having a second diameter smaller than the first diameter, in order to form a tube; juxtaposing (102) a second tubing portion consisting of a viscoelastic material and having a second diameter in line with the tube, along the longitudinal axis; welding (103) the second tubing portion to the tube in order to extend the tube; positioning (104) the tube in the pipe; filling (105) the tube with a liquid and pressurising the liquid until the tube swells such that it press firmly against the pipe; and viscoelastic deformation (106) of the tube.
Disclosed is a wastewater treatment system and method for an advanced treatment of refractory organic matters in wastewater. The wastewater treatment system comprises an ozone treatment device (1) and a biological filter (2). An ozone dosing device (3) of the ozone treatment device (1) prepares ozone by electric discharge using air or pure oxygen as a raw material. A mixed gas including ozone and excess air or oxygen discharged therefrom is introduced into an ozone-oxygen contact tank (7) such that the wastewater to be treated is subjected to ozone oxidation treatment and oxygen absorption, and an effluent is introduced into the biological filter (2), so that the biological filter (2) does not need to provide an aeration device to increase oxygenation for microorganisms. The wastewater treatment system and method fully utilize the supersaturated dissolved oxygen in the effluent of the ozone treatment device (1) to replace the aeration system of the subsequent biological filter (2), and have the advantages of high mass transfer efficiency, high biological activity, high volume load, high removal rate, and the like. The filter (2) has a simple structure and high backwashing efficiency, which significantly reduces operating costs. For the removal of refractory COD, the economics of the overall process are greatly improved.
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
The invention relates to a photo bioreactor comprising: a first vessel and a second vessel, extending in a longitudinal direction; the second vessel extending inside the first vessel so as to delimit a first channel between the first vessel and the second vessel, and forming a second channel inside the second vessel; a first passage means, allowing a fluid to flow between the first channel and the second channel; a second passage means, allowing the fluid to flow between the first channel and the second channel, said second passage means being disposed above the first passage means; at least one light source; and a gas injection means configured to inject gas in the form of bubbles into the second channel. According to the invention, the flow of fluid can be exposed to a light source.
The water treatment system can have a tank having an elongated shape with two opposite ends and two transversally opposite sides; a flocculation chamber at one of the opposite ends of the tank, the flocculation chamber having at least one treated water inlet and a mixer and a separation chamber adjacent to the flocculation chamber inside the tank, the separation chamber having at least one treated water outlet. A flow straightener system can be provided having a transversally-oriented wall forming an overflow baffle and extending upwardly between the flocculation chamber and the separation chamber, the transversally-oriented wall having an upper edge and a plurality of vanes being vertically and longitudinally oriented, parallel to one another and transversally interspaced from one another along the upper edge of the wall, the vanes extending in at least one of the two transversally opposite sides of the tank.
The water treatment system can have a tank having an elongated shape with two opposite ends and two transversally opposite sides; a flocculation chamber at one of the opposite ends of the tank, the flocculation chamber having at least one treated water inlet and a mixer and a separation chamber adjacent to the flocculation chamber inside the tank, the separation chamber having at least one treated water outlet. A flow straightener system can be provided having a transversally-oriented wall forming an overflow baffle and extending upwardly between the flocculation chamber and the separation chamber, the transversally-oriented wall having an upper edge and a plurality of vanes being vertically and longitudinally oriented, parallel to one another and transversally interspaced from one another along the upper edge of the wall, the vanes extending in at least one of the two transversally opposite sides of the tank.
The invention relates to a method for determining parameters liable to provide information regarding the state of a water distribution system comprising at least one pipe able to transport water, the method comprising the following steps: – an import step able to import onto a processor input values of at least one pre-measured parameter pertaining to the water, these parameters being logged at at least one point of entry of the water distribution system and over a recording period comprising at least one recording date; – a selection step able to select at least one current point; – an association step able to associate the said current point with at least one point of entry into the water distribution system; – a determination step able to determine a current value of the said at least one parameter pertaining to the water at the current point from input values at the said point of entry associated with the said current point.
The invention relates to a method for determining the free chlorine concentration in a first liquid solution (11), comprising the following steps: a first step (101) of introducing the first liquid solution (11) into an analyser (12) comprising a redox probe (16); a second step (102) of measuring the pH of the first liquid solution (11); a third step (103) of adding sodium hydroxide until a second liquid solution (15) with a pH higher than 12, preferably between 12.5 and 12.8, is produced, the third step (103) being preferably carried out at the same time as the second step (102); a fourth step (104) of determining a value of the redox potential of the second liquid solution (15) by the redox probe (16); and a fifth step (105) of determining the free chlorine concentration in the first liquid solution (11) according to the value of the determined redox potential. The invention also relates to a device for determining the free chlorine concentration of a first liquid solution.
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
The invention relates to a method for processing heterogeneous data to determine inflows in time and space. One use of the method is for determining tourist inflows by cross-processing industry data relating to water consumption with open and/or private external data in order to generate different indicators for measuring attendance, on finite time-space scales, for various customer profiles that constitute attendance.
A method for maintaining a pumping system (2), that is part of a pumping station (1), in operational service (30), said pumping system (2) comprising a pump (20), a motor (21) driving the pump (20), and a pipe for discharging fluid by the pump (20). Said method comprises at least the following steps: - measurement of physical values, operational characteristics of the pumping system (2), including hydraulic values that are characteristic of the state of the pump discharge pipe (20); - analysis and interpretation of the measured physical values with the aim of detecting one or more anomalies; - pre-diagnosis of the probable causes of the detected anomalies and determination of the preventive and curative actions to take on the pumping system (2); automatic implementation of the preventive and curative actions on the pumping system (2).
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
100.
FLUID PIPE INSPECTION DEVICE HAVING NON-MOTORIZED DISPLACEMENT
The invention relates to a device for non-motorized inspection (10) of a fluid pipe (11), comprising a monitoring device (12) for generating at least one representation (13) of said pipe, an inertial unit (14) for determining orientation data (15) relating to the inspection device, and a means (18) for preventing deformation of the at least one representation (13).
