A method of controlling a feed rate of at least one chemical into a body of water includes: (a) dispensing one or more chemicals into a body of water with a chemical pumping device; (b) determining a chemical feed pump usage of at least one chemical into the body of water during a designated period of time; and (c) (i) automatically increasing chemical gain of the at least one chemical into the body of water if the pump usage is greater than a first pump usage set-point, or (ii) automatically decreasing chemical gain of the at least one chemical into the body of water if the pump usage is less than a second pump usage set-point. A system for using the method is also included.
An electrolytic cell includes an inlet for receiving fluids into a first side of the electrolytic cell, an outlet opposite the inlet at a second side of the electrolytic cell where fluids exit the electrolytic cell, a cell body positioned between the inlet and the outlet having a plurality of bipolar electrode plates spaced apart, a first space formed between the inlet and the plurality of bipolar electrode plates, and a first flow diverter positioned within the first space. The first flow diverter includes a plurality of channels that adjust a flow of fluids flowing into the cell body from the inlet. A system using the electrolytic cells and methods of using the system are also included.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
20 - Meubles et produits décoratifs
Produits et services
(1) Water and wastewater treatment equipment and systems; water equipment and systems for creating, monitoring, feeding, and managing disinfectant into water and wastewater systems; potable water mixers and mixing systems; chemical feed feeders, pumps and systems; wastewater treatment apparatus, namely, water treatment unit for creating, monitoring, feeding, and managing disinfection and circulating water; chemical treatment units for water treatment; water and wastewater treatment installations, namely, water treatment apparatus; water and wastewater treatment installations, namely, sustainable onsite water and wastewater treatment systems; flow indicating meters; machines for mixing polymers and water; polymer activators and accessories therefor, namely, retention chambers, pressure reducers, output boosters, backflow preventers, water flow sensors, calibrators, tables, shelves, control panels, pump controllers, mixers, calibration cylinders, static mixers, and controllers; water aeration equipment and systems; structural parts and fittings and accessories for all the aforesaid goods
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Machines for mixing polymers with water; diaphragm metering pumps for feeding chemicals for water and wastewater treatment; machines for mixing liquid or dry polymer with water to activate the polymer and to feed the activated polymer, accessories for such machines, namely shelves, control panels, pump controllers, mixers, calibration cylinders and static mixers; water aeration equipment and systems, namely, water treatment unit for aerating and circulating water Flow meters; Polymer activators and accessories therefor, namely, retention chambers, pressure reducers, output boosters, backflow preventers, electric water flow sensors, calibrators, tables, electric control panels, and electric controllers for pumps; chemical feed pumps Water equipment and systems for creating, monitoring, feeding, mixing, measuring, and/or managing disinfectant into water and removing
byproducts in potable water systems; potable water mixing systems, namely, mechanical mixing and circulating systems for feeding, mixing,
and/or circulating water and/or removing byproducts; chemical feed systems comprised of water purification installations; chemical feed
feeders; chemical feed systems comprised of feeders and storage silos; water treatment apparatus, namely, water mixer unit for mixing and
circulating water; water and wastewater treatment installations, namely, wastewater treatment apparatus; water and wastewater treatment
installations, namely, sustainable onsite water and wastewater treatment systems comprised of water and wastewater treatment installations;
water aeration equipment and systems, namely, water treatment unit for aerating and circulating water; structural parts and fittings for all the
aforesaid goods; accessories for such machines, namely control panels, electrolytic cells, pumps, pump controllers, water softeners, and
electrical rectifiers
A water treatment system is disclosed having an electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite or potable water to be oxidized. The cell has first and second opposing electrode end plates held apart from each other by a pair of supports such that the supports enclose opposing sides of the end plates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
C02F 1/46 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
C25B 11/03 - ÉlectrodesLeur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées
B01F 25/21 - Mélangeurs à jet, c.-à-d. mélangeurs utilisant des courants de fluides à grande vitesse avec des injecteurs immergés, p. ex. des buses, pour injecter des jets à haute pression dans un grand volume ou dans des chambres de mélange
B01F 25/10 - Mélange en créant un flux tourbillonnaire, p. ex. par l'introduction tangentielle de composants du flux
C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
G01N 1/20 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide pour matériau coulant ou s'éboulant
C02F 1/467 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par désinfection électrochimique
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
B01F 25/00 - Mélangeurs à écoulementMélangeurs pour matières tombantes, p. ex. particules solides
6.
Methods and system for evaluating and maintaining disinfectant levels in a potable water supply
A method of determining a disinfectant composition of a municipal water supply from a water sample that includes: (a) obtaining a water sample from a water source at a sampling location; (b) adding a chlorine-containing material to the water sample in the presence of an oxidation reduction potential (ORP) measurement device; (c) generating a plurality of ORP measurements during addition of the chlorine-containing material to the water sample; (d) estimating a concentration of one or more of free ammonia, fully combined ammonia, monochloramine, or a mixture of dichloroamine and trichloroamine in the water sample in which the estimation is derived from the relationship between the added chlorine material and the plurality of ORP measurements; and (e) determining a disinfectant composition of the water source at the water sampling location from the concentration calculation. A method of determining free ammonia composition is also included.
A system for reducing an amount of volatile organic compounds which includes: a water-storage tank having a tank containing water, a roof positioned over the tank, and a headspace region formed between the roof and a surface of the water contained in the tank; an air exchange system positioned at least partially in the headspace region that is configured to exchange air exterior to the tank with air inside the tank; and a water conveyance device located at least partially in the water of the water-storage tank and which is configured to convey water in a manner that produces a surface flow velocity. A method reducing an amount of volatile organic compounds is also included.
B01D 53/02 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse
C02F 1/20 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dégazage, c.-à-d. par libération des gaz dissous
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a first water sample obtained from the body of water; (b) automatically engaging a supply of chlorine to add chlorine to the body of water when the residual chloramine concentration in the first water sample is determined to be below a residual chloramine concentration set-point or a first chloramine concentration percentage; (c) determining residual chloramine concentration in a second water sample obtained from the body of water after step (b); and (d) automatically engaging a supply of ammonia and the supply of chlorine to add both ammonia and chlorine to the body of water if the residual chloramine concentration in the second water sample is determined to be below the residual chloramine concentration in the first water sample or a second chloramine concentration percentage.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
9.
Systems and Methods for Controlling the Feed Rate of Chemicals into a Body of Water
A method of controlling a feed rate of at least one chemical into a body of water includes: (a) dispensing one or more chemicals into a body of water with a chemical pumping device; (b) determining a chemical feed pump usage of at least one chemical into the body of water during a designated period of time; and (c) (i) automatically increasing chemical gain of the at least one chemical into the body of water if the pump usage is greater than a first pump usage set-point, or (ii) automatically decreasing chemical gain of the at least one chemical into the body of water if the pump usage is less than a second pump usage set-point. A system for using the method is also included.
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a water sample obtained from the body of water; (b) determining at least one of the following when the residual chloramine concentration is below a predetermined target chloramine concentration level: (i) an average rate of change in total chlorine concentration; and (ii) an average rate of change in oxidation-reduction potential; and (c) automatically engaging a supply of ammonia and a supply of chlorine to add both ammonia and chlorine to the body of water at a weight ratio of chlorine to ammonia of 5:1 or less when the average rate of change in total chlorine concentration is below a set rate of change and/or the average rate of change in oxidation-reduction potential is above a set rate of change.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode end plates held apart from each other by a pair of supports such that the supports enclose opposing sides of the end plates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
G01N 1/20 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide pour matériau coulant ou s'éboulant
C02F 1/46 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques
C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
C25B 11/03 - ÉlectrodesLeur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées
B01F 25/21 - Mélangeurs à jet, c.-à-d. mélangeurs utilisant des courants de fluides à grande vitesse avec des injecteurs immergés, p. ex. des buses, pour injecter des jets à haute pression dans un grand volume ou dans des chambres de mélange
B01F 25/10 - Mélange en créant un flux tourbillonnaire, p. ex. par l'introduction tangentielle de composants du flux
C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
C02F 1/467 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par désinfection électrochimique
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
B01F 25/00 - Mélangeurs à écoulementMélangeurs pour matières tombantes, p. ex. particules solides
12.
Chemical injection and control system and method for controlling chloramines
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a first water sample obtained from the body of water; (b) automatically engaging a supply of chlorine to add chlorine to the body of water when the residual chloramine concentration in the first water sample is determined to be below a residual chloramine concentration set-point or a first chloramine concentration percentage; (c) determining residual chloramine concentration in a second water sample obtained from the body of water after step (b); and (d) automatically engaging a supply of ammonia and the supply of chlorine to add both ammonia and chlorine to the body of water if the residual chloramine concentration in the second water sample is determined to be below the residual chloramine concentration in the first water sample or a second chloramine concentration percentage.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
13.
Self-cleaning system and method of cleaning electrolytic cells
The present invention relates to a method of cleaning electrolytic cells that includes: (a) directing a base solution comprising water into an array of electrolytic cells; and (b) removing contaminants from at least one of the electrolytic cells with air turbulence provided by an injection of compressed air into the electrolytic cell. The injection of compressed air is provided by an air sparging system in fluid communication with an inlet portion of the at least one electrolytic cell. A self-cleaning electrolytic cell system is further included.
An electrolytic cell includes: a cartridge assembly including: a plurality of bipolar electrode plates spaced apart and guide members formed on both sides of the plurality of bipolar electrode plates; a cell body having: a first side; a second side opposite the first side; an opening that extends through the first and second sides to form a housing that receives the cartridge assembly; a first end having an inlet that allows liquid to enter the housing of the cell body and a second end having an outlet that allows liquid to exit the housing of the cell body; a first terminal cap that connects to the first side of the cell body and which has a cathode plate; and a second terminal cap that connects to the second side of the cell body and which has an anode plate.
A method of determining a disinfectant composition of a municipal water supply from a water sample that includes: (a) obtaining a water sample from a water source at a sampling location; (b) adding a chlorine-containing material to the water sample in the presence of an oxidation reduction potential (ORP) measurement device; (c) generating a plurality of ORP measurements during addition of the chlorine-containing material to the water sample; (d) estimating a concentration of one or more of free ammonia, fully combined ammonia, monochloramine, or a mixture of dichloramine and trichloramine in the water sample in which the estimation is derived from the relationship between the added chlorine material and the plurality of ORP measurements; and (e) determining a disinfectant composition of the water source at the water sampling location from the concentration calculation. A method of determining free ammonia composition is also included.
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode end plates held apart from each other by a pair of supports such that the supports enclose opposing sides of the end plates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/46 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques
B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
G01N 1/20 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide pour matériau coulant ou s'éboulant
C02F 1/467 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par désinfection électrochimique
C25B 9/06 - Cellules comportant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
17.
Chemical control systems and methods for controlling disinfectants
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a water sample obtained from the body of water; (b) determining at least one of the following when the residual chloramine concentration is below a predetermined target chloramine concentration level: (i) an average rate of change in total chlorine concentration; and (ii) an average rate of change in oxidation-reduction potential; and (c) automatically engaging a supply of ammonia and a supply of chlorine to add both ammonia and chlorine to the body of water at a weight ratio of chlorine to ammonia of 5:1 or less when the average rate of change in total chlorine concentration is below a set rate of change and/or the average rate of change in oxidation-reduction potential is above a set rate of change.
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a water sample; (b) automatically engaging a supply of chlorine to add chlorine when (i) the residual chloramine concentration in the water sample is determined to be below a predetermined residual chloramine concentration set-point or (ii) below a chloramine concentration percentage of a predetermined residual chloramine concentration set-point; (c) determining residual chloramine concentration in one or more additional water samples after step (b); (d) determining the rate of change in chloramine concentration; and (e) if the rate of change in chloramine concentration is below a set rate of change in chloramine concentration (i) automatically engaging a supply of ammonia and the supply of chlorine to add both ammonia and chlorine to the body of water, or (ii) stopping the supply of chlorine after step (d).
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
A system for reducing an amount of volatile organic compounds which includes: a water-storage tank having a tank containing water, a roof positioned over the tank, and a headspace region formed between the roof and a surface of the water contained in the tank; an air exchange system positioned at least partially in the headspace region that is configured to exchange air exterior to the tank with air inside the tank; and a water conveyance device located at least partially in the water of the water-storage tank and which is configured to convey water in a manner that produces a surface flow velocity. A method reducing an amount of volatile organic compounds is also included.
B01D 53/02 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse
C02F 1/20 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dégazage, c.-à-d. par libération des gaz dissous
Devices are provided for ventilating and/or removing volatile chemicals from liquid (e.g. water) stored in a liquid-containing storage tank (e.g. water-storage tank). The devices include a first fluid flow path that is physically isolated from a second fluid flow path and a convection device for moving a first fluid along the first fluid flow path toward at a desired destination and for exhausting the first fluid at the desired destination at a desired velocity. Methods are also provided for ventilating and/or removing volatile chemicals from liquid (e.g. water) stored in liquid-containing storage tanks (e.g. water-storage tanks). The methods involve blowing a first fluid through a ventilation device into a liquid-containing storage device at a velocity sufficient to achieve a desired mass transfer rate of volatile chemicals from the liquid in the liquid-containing storage device to air in the headspace and flowing the contaminated air back through the ventilation device.
A method of automatically controlling chloramine concentration in a body of water contained in a reservoir includes: (a) determining residual chloramine concentration in a first water sample obtained from the body of water; (b) automatically engaging a supply of chlorine to add chlorine to the body of water when the residual chloramine concentration in the first water sample is determined to be below a residual chloramine concentration set-point or a first chloramine concentration percentage; (c) determining residual chloramine concentration in a second water sample obtained from the body of water after step (b); and (d) automatically engaging a supply of ammonia and the supply of chlorine to add both ammonia and chlorine to the body of water if the residual chloramine concentration in the second water sample is determined to be below the residual chloramine concentration in the first water sample or a second chloramine concentration percentage.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/76 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'halogènes ou de composés halogénés
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
C02F 1/46 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques
B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
G01N 1/20 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide pour matériau coulant ou s'éboulant
C02F 1/467 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par désinfection électrochimique
C25B 9/06 - Cellules comportant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure
C25B 9/20 - Assemblages comprenant plusieurs cellules du type filtre-presse
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
Devices are provided for ventilating and/or removing volatile chemicals from liquid (e.g. water) stored in a liquid-containing storage tank (e.g. water-storage tank). The devices include a first fluid flow path that is physically isolated from a second fluid flow path and a convection device for moving a first fluid along the first fluid flow path toward at a desired destination and for exhausting the first fluid at the desired destination at a desired velocity. Methods are also provided for ventilating and/or removing volatile chemicals from liquid (e.g. water) stored in liquid-containing storage tanks (e.g. water-storage tanks). The methods involve blowing a first fluid through a ventilation device into a liquid-containing storage device at a velocity sufficient to achieve a desired mass transfer rate of volatile chemicals from the liquid in the liquid-containing storage device to air in the headspace and flowing the contaminated air back through the ventilation device.
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
C02F 1/467 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par désinfection électrochimique
C02F 1/68 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition de substances spécifiées, pour améliorer l'eau potable, p. ex. par addition d'oligo-éléments
C25B 9/06 - Cellules comportant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure
C25B 9/20 - Assemblages comprenant plusieurs cellules du type filtre-presse
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.
