01 - Chemical and biological materials for industrial, scientific and agricultural use
11 - Environmental control apparatus
Goods & Services
Sodium hypochlorite; Chloralkalis; Chlorates; Chlorine; Perchloric acid; Sodium chlorate; Sodium chlorite; Chlorinated acids; Sodium hydroxide Chlorinating units for water treatment; Apparatus for disinfecting water; Disinfectant apparatus; Water disinfection apparatus; Sterilizers; Disinfectant apparatus for dispensing solutions into water-pipes for sanitary installations; Swimming pool chlorinating apparatus; Water treatment apparatus using electrolysis; Electrolytic water generators for electrically decomposing tap water to generate electrolytic water and for removing chlorine odor from tap water
The present invention relates to an NMP distillation device and, more specifically, to an NMP distillation device including a separate side drum for extracting N-methyl-2-pyrrolidone (NMP) as steam, the device recovering and then purifying NMP, which is used as a solvent in the process of manufacturing lithium secondary battery electrodes, to reuse same as a high-purity product.
B01D 3/32 - Other features of fractionating columns
C07D 207/267 - 2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
B01D 5/00 - Condensation of vapoursRecovering volatile solvents by condensation
According to an embodiment of the present application, the present invention relates to a method for coating platinum on an electrode matrix by using a thermal oxidation process without a plating bath, and provides a method for manufacturing a platinum oxide electrode with the desired physical properties by utilizing an electrospray technique and optimizing a coating solution.
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
B24C 1/10 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
An aspect of the present invention provides a system for producing sodium hypochlorite and hydrogen gas, comprising: a desalination unit for desalinating seawater to generate a fresh water stream and a concentrated water stream; a crystallization unit for crystallizing the concentrated water stream to generate a solid raw material containing sodium chloride; an electrolysis unit for electrolyzing reactants, derived from the solid raw material and water, to generate sodium hypochlorite and by-product gas; and a gas purification unit for purifying the by-product gas to generate hydrogen gas.
One aspect of the present invention provides a profile connection device comprising: a first coupling member which comprises a first receiving part formed of a pair of plates facing each other, a first connection part formed of a plate connecting one end of the first receiving part, and a first fastening part protruding from one surface of the first connection part opposite to the first receiving part; a second coupling member which comprises a second receiving part formed of a pair of plates facing each other, a second connection part formed of a plate connecting one end of the second receiving part, and a second fastening part protruding from one surface of the second connection part opposite to the second receiving part; and a first connection member formed of a coil spring that is coupled to the first and second fastening parts to connect the first and second coupling members to each other, wherein the outer circumferential surfaces of the first and second coupling fastening parts are coupled to the inner circumferential surfaces of one end and the other end of the coil spring, respectively.
An aspect of the present invention provides a carbon dioxide conversion system including a negative electrode chamber in which a reduction reaction of carbon dioxide is performed and a positive electrode chamber in which an oxidation reaction of hydrogen is performed.
The present invention relates to a smart granular raw material conveyance system and a smart granular raw material conveyance method, wherein, when granular materials in powder form are conveyed along a conveyance line, the precisely metered granular materials are smoothly passed through a vertical pipe vertically installed in the conveyance line, and the granular materials are prevented from remaining or stagnating in the vertical pipe. The smart granular raw material conveyance system comprises at least one of: a first conveyance unit that conveys the granular materials in an amount corresponding to a first conveyance amount; a second conveyance unit that is spaced apart from the first conveyance unit and conveys the granular materials in an amount corresponding to a second conveyance amount equal to or different from the first amount; or a third conveyance unit that is spaced apart from the first conveyance unit and the second conveyance unit, and conveys the granular materials in an amount corresponding to a third conveyance amount equal to or less than the first amount or the second amount.
B65G 53/12 - Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas the gas flow acting directly on the materials in a reservoir
The present invention relates to a powder material measuring rotary valve device for quantitatively measuring and sequentially discharging a powder material in the form of powder mechanically. The powder material measuring rotary valve device comprises: a hollow measuring housing having an open entrance to which a hopper is coupled and an open exit disposed opposite to the entrance; and a distribution module which is embedded in the measuring housing to be rotatable with reference to a first virtual axis perpendicular to a virtual line connecting the entrance and the exit, and delivers a powder material introduced into the entrance to the exit, wherein a predetermined fixed quantity of the powder material introduced into the entrance according to rotation of the distribution module is separately received in the distribution module and is then discharged through the exit in a first-in and first-out method.
B65G 65/48 - Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
G01F 11/24 - Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber rotates or oscillates for fluent solid material
9.
REAL-TIME BATTERY MONITORING APPARATUS AND METHOD USING TRANSIENT RESPONSE ANALYSIS
Proposed are a real-time battery monitoring apparatus and method using transient response analysis. The real-time battery monitoring apparatus may include a monitoring circuit connected to a battery and a processor. The processor may be configured to determine deterioration of the battery by controlling the monitoring circuit to measure a voltage and a current of the battery, estimate an internal resistance of the battery based on the measured voltage and current, and compare the estimated internal resistance with a pre-set threshold value.
One aspect of the present invention provides a carbon dioxide conversion system comprising: a negative electrode chamber where a carbon dioxide reduction reaction occurs; and a positive electrode chamber where a hydrogen oxidation reaction occurs.
A water electrolysis device includes an electrolyte correction unit having a diaphragm, the device having an electrolyte correction unit, including a diaphragm, for removing a concentration difference inside an electrolyte, so as to prevent a gas composition in a gas phase area of the water electrolysis device from reaching an explosion limit and, simultaneously, prevent the occurrence of a difference in a liquid level due to a difference in the concentration of the electrolyte even if the electrolyte discharged from an anode chamber and the electrolyte discharged from a cathode chamber are each circulated independently, and thus does not require an additional device for solving same, and can resolve the problem of a reduction in processability according to electrolyte re-injection and operation stabilization.
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 9/21 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms two or more diaphragms
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
An aspect of the present disclosure provides a power management system including: a power source that includes a power system for providing main power to a load and a renewable energy generation part for providing auxiliary power; a power conversion part that converts a surplus of at least one of the main power and the auxiliary power; a water electrolysis part that includes a water electrolysis device configured to be driven by the surplus converted by the power conversion part, a balance-or-plant (BOP) configured to be driven by a portion branched from the main power, and a hydrogen storage; and a control part that synchronizes power applied to the power conversion part and power applied to the water electrolysis device to exchange direct current (DC) power between the power conversion part and the water electrolysis device.
The present invention relates to a particle transfer system and a particle transfer method which allow preciously-weighed particles to smoothly pass through a vertically-provided vertical pipe of a transfer line when powder-type particles are transferred along the transfer line, and which prevent the particles from remaining or stagnating in the vertical pipe. To this end; the particle transfer system includes a particle transfer unit including at least one from among: a first transfer unit for transferring the particles in correspondence to first transfer information; a second transfer unit spaced from the first transfer unit to transfer the particles in correspondence to second transfer information, which is the same as or different from the first transfer information; and a third transfer unit spaced from the first transfer unit and the second transfer unit to transfer the particles in correspondence to third transfer information, which is the same as or smaller in amount than the first transfer information or the second transfer information.
B65G 53/28 - Systems utilising a combination of gas pressure and suction
B65G 53/14 - Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas the gas flow inducing feed of the materials by suction effect
B65G 53/66 - Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
B07B 15/00 - Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
The present disclosure relates to a water electrolysis apparatus including a diaphragm for removing a dissolved gas from an electrolyte. By separating a dissolved gas present in an electrolyte through a diaphragm provided in a gas-liquid separator or an electrolyte circulation line, the water electrolysis apparatus can increase the efficiency of production of the dissolved gas in the electrolyte while preventing a gas composition from reaching an explosive limit in a gas phase region of the water electrolysis apparatus.
The present disclosure relates to a treatment system for ship ballast water, which comprises at least: a water supply device for supplying a water stream to a first tank storing solid raw material, and a first raw material supply device for mixing the solid raw material and the water stream to form a raw material aqueous solution; a first electrolysis unit that includes a first anode chamber for obtaining a first anode product by reacting the raw material aqueous solution, a first cathode chamber for obtaining a first cathode product by reacting water and cations provided from the first anode chamber, and a first diaphragm that separates the first anode chamber and the first cathode chamber; a reaction unit for obtaining a treatment agent by reacting the first anode product and the first cathode product; and an injection unit for providing the treatment agent to the ballast water.
Disclosed is a pipe pigging system for cleaning a pig and controlling a speed of the pig, the pipe pigging system including a pig configured to clean an inside of a pipe for raw material supply while moving in the pipe, a first station connected to a raw material supply side that is one end of the pipe and configured to launch the pig and receive the returned pig, a second station connected to a raw material reception side that is the other end of the pipe and configured to receive the pig launched from the first station and launch the pig toward the first station, a first compressed air supply unit and a second compressed air supply unit configured supply compressed air to the first station and the second station, respectively, to move the pig, a first pig cleaning unit and a second pig cleaning unit connected to the first station and the second station, respectively, to clean the pig contaminated after cleaning the pipe, and a control unit configured to control a pigging operation of the pig launched and returned between the first station and the second station and a pigging speed of the pig.
B08B 9/055 - Cleaning the internal surfacesRemoval of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the cross-section of the pipes, e.g. pigs or moles
B08B 3/04 - Cleaning involving contact with liquid
F16L 55/26 - Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
17.
SODIUM HYDROXIDE PRODUCTION DEVICE AND SODIUM HYPOCHLORITE PRODUCTION DEVICE INCLUDING THE SAME
One aspect of the present invention provides a sodium hydroxide production device, which includes: a first tank configured to store a sodium salt including two or more sodium ions in a molecule; a first electrolysis unit including a first anode chamber and a first cathode chamber which are partitioned by a first separator; and a water supply unit configured to supply water to the first tank and the first cathode chamber, wherein the first tank, a pipe configured to supply an aqueous sodium salt solution produced in the first tank to the first anode chamber, the first anode chamber, and a pipe configured to supply a material produced in the first anode chamber to the first tank constitute a closed loop, and a sodium hypochlorite production device including the same.
One aspect of the present invention provides a sodium hypochlorite producing system, which includes: a first means configured to obtain saturated salt water and purified water; a second means including a anode chamber and a cathode chamber which are partitioned by a separator, the anode chamber allowing the saturated salt water to be converted into a anodic product including chlorine gas and anodic water, and the cathode chamber allowing the purified water to be converted into a cathodic product including sodium hydroxide, hydrogen gas, and hydroxide ions (OH−); a third means configured to react the anodic product and the cathodic product to produce a mixture including sodium hypochlorite and hydrogen gas; and a fourth means configured to prevent the sodium hydroxide or hydroxide ions (OH−) of the cathodic product or a combination thereof from moving to the anode chamber through the separator.
C25B 1/46 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
C25B 15/021 - Process control or regulation of heating or cooling
Disclosed are an apparatus for treating wastewater containing non-degradable organic materials and a method for treating wastewater using same. The apparatus comprises: an oxidation reaction bath in which water is oxidized with an oxidizing agent to treat TOC and T-N; and an electrolysis bath having a positive electrode bath, in which an electrolyte solution is electrolyzed to produce and provide the oxidizing agent used in the oxidation reaction bath, and a negative electrode bath, which is partitioned from the positive electrode bath by a partition wall and in which pollutants remaining in the wastewater chemically treated in the reaction bath are reduced.
Provided, according to one aspect of the present invention, are a sodium hypochlorite production system and a water treatment method using same, the sodium hypochlorite production system comprising: a first means for obtaining saturated brine and purified water using a first sub-stream branching off from a main stream of water to be treated; a second means for obtaining an anodic product and cathodic product by electrolyzing the saturated brine and purified water; and a third means for obtaining sodium hypochlorite by reacting the anodic product and cathodic product using a second sub-stream branching off from the main stream of the water to be treated.
Disclosed are an electrode structure including: an electrode plate; and a flow path guide disposed on one side of the electrode plate along the circumference of the electrode plate, and an electrolyzer including the electrode structure.
C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
C25B 1/46 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
C25B 9/13 - Single electrolytic cells with circulation of an electrolyte
22.
REAL-TIME BATTERY MONITORING APPARATUS AND METHOD USING TRANSIENT RESPONSE ANALYSIS
Embodiments relate to a real-time battery monitoring apparatus and method using transient response analysis. The real-time battery monitoring apparatus according to an embodiment includes a monitoring circuit connected to a battery and a processor that determines battery degradation by controlling the monitoring circuit to measure voltage and current of the battery, estimate battery internal resistance on the basis of the measured voltage and current, and compare the estimated internal resistance with a preset threshold value.
G01R 31/389 - Measuring internal impedance, internal conductance or related variables
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
G01R 27/08 - Measuring resistance by measuring both voltage and current
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
One aspect of the present invention provides a method of treating ballast water, which includes: a first step of transporting a raw material from a first base to a second base where a vessel is configured to be anchored; a second step of inputting the raw material into an on-site treatment agent manufacturing facility located at the second base to manufacture a treatment agent; and a third step of supplying the treatment agent to the vessel anchored at the second base and treating ballast water using the treatment agent.
According to one aspect of the present invention, provided is a treatment system for ship ballast water, the treatment system, which is installed inside a ship, comprising: a first feed unit that includes a first tank for storing solid raw material, a water supply device for supplying a first water stream to the first tank, and a first raw material supply device for mixing the solid raw material and the first water stream to form a raw material aqueous solution; a first electrolysis unit that includes a first positive electrode chamber for obtaining a first positive electrode product by reacting the raw material aqueous solution, a first negative electrode chamber for obtaining a first negative electrode product by reacting water and positive ions provided from the first positive electrode chamber, and a first partition membrane for partitioning the first positive electrode chamber and the second positive electrode chamber; a reaction unit for obtaining a treatment agent by reacting the first positive electrode product and the first negative electrode product; and an injection unit for providing the treatment agent to the ballast water.
One aspect of the present invention provides a power management system, comprising: a power source including a system for providing main power to a load, and a renewable energy generating unit for providing auxiliary power; a power converting unit that converts at least one surplus of the main power and the auxiliary power; a water electrolysis unit including a water electrolysis device driven by the converted surplus, a Balance of Plant (BOP) driven by a part branched from the main power, and a hydrogen storage unit; and a control unit that synchronizes the power applied to the power converting unit and the water electrolysis device and exchanges DC power between the power converting unit and the water electrolysis device.
The present invention relates to a smart granular raw material conveyance system and a smart granular raw material conveyance method, wherein, when granular materials in powder form are conveyed along a conveyance line, the precisely metered granular materials are smoothly passed through a vertical pipe vertically installed in the conveyance line, and the granular materials are prevented from remaining or stagnating in the vertical pipe. The smart granular raw material conveyance system comprises at least one of: a first conveyance unit that conveys the granular materials in an amount corresponding to a first conveyance amount; a second conveyance unit that is spaced apart from the first conveyance unit and conveys the granular materials in an amount corresponding to a second conveyance amount equal to or different from the first amount; or a third conveyance unit that is spaced apart from the first conveyance unit and the second conveyance unit, and conveys the granular materials in an amount corresponding to a third conveyance amount equal to or less than the first amount or the second amount.
B01F 35/83 - Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
The present invention relates to a powder material measuring rotary valve device for quantitatively measuring and sequentially discharging a powder material in the form of powder mechanically. The powder material measuring rotary valve device comprises: a hollow measuring housing having an open entrance to which a hopper is coupled and an open exit disposed opposite to the entrance; and a distribution module which is embedded in the measuring housing to be rotatable with reference to a first virtual axis perpendicular to a virtual line connecting the entrance and the exit, and delivers a powder material introduced into the entrance to the exit, wherein a predetermined fixed quantity of the powder material introduced into the entrance according to rotation of the distribution module is separately received in the distribution module and is then discharged through the exit in a first-in and first-out method.
The present invention relates to a mixed oxidizing agent for treating refractory wastewater and a method for treating wastewater using the oxidizing agent, and more specifically, is composed of: an oxidizing agent injection step of injecting, into refractory wastewater containing organic pollutants and ammonia nitrogen, a mixed oxidizing agent for treating wastewater, the mixed oxidizing agent composed of 1 to 99 mol% of persulfate and 1 to 99 mol% of a chlorine-based oxidizing agent; and an oxidizing agent activation step of activating the oxidizing agent contained in the refractory wastewater via the oxidizing agent injection step. The mixed oxidizing agent for treating refractory wastewater composed of the above components, and the method for treating wastewater using the oxidizing agent, can remove organic pollutants and ammonia nitrogen contained in the refractory wastewater with high efficiency and low cost.
The present invention relates to a method for stabilizing a persulfate solution. More specifically, the method comprises a process for adding a stabilizing agent to the persulfate solution to adjust and maintain the pH of the persulfate solution within 4 to 12. The process significantly reduces the decomposition rate of persulfate contained in the persulfate solution, thus providing a persulfate solution exhibiting excellent storage stability.
The present invention relates to a refractory wastewater treatment method for removing both organic contaminants and ammonia nitrogen and, more specifically, the method comprises: an oxidant introduction step of introducing a chlorine-based oxidant into refractory wastewater; and an oxidant activation step of activating the chlorine-based oxidant introduced into the refractory wastewater in the oxidant introduction step. The refractory wastewater treatment method performed through the above steps exhibits an effect of removing, with high efficiency, both organic contaminants and ammonia nitrogen contained in the refractory wastewater.
The present invention relates to a water electrolysis apparatus comprising a diaphragm for removing dissolved gas in an electrolyte, wherein the dissolved gas present in the electrolyte is separated through a diaphragm provided in a gas-liquid separator or an electrolyte circulation line, thereby preventing the gas composition in a gas phase region in the water electrolysis apparatus from reaching a limit of explosion while increasing the efficiency of production of the dissolved gas in the electrolyte.
The present invention relates to a particle transfer system and a particle transfer method which allow precisely-weighed particles to smoothly pass through a vertically-provided vertical pipe of a transfer line when powder-type particles are transferred along the transfer line, and which prevent the particles from remaining or stagnating in the vertical pipe. To this end, the particle transfer system includes a particle transfer unit including at least one from among: a first transfer unit for transferring the particles in correspondence to first transfer information; a second transfer unit spaced from the first transfer unit to transfer the particles in correspondence to second transfer information, which is the same as or different from the first transfer information; and a third transfer unit spaced from the first transfer unit and the second transfer unit to transfer the particles in correspondence to third transfer information, which is the same as or smaller in amount than the first transfer information or the second transfer information.
B65G 53/66 - Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
The present invention relates to a water electrolysis device comprising an electrolyte correction unit having a diaphragm, the device comprising an electrolyte correction unit, including a diaphragm, for removing a concentration difference inside an electrolyte, so as to prevent a gas composition in a gas phase area of the water electrolysis device from reaching an explosion limit and, simultaneously, prevent the occurrence of a difference in a liquid level due to a difference in the concentration of the electrolyte even if the electrolyte discharged from an anode chamber and the electrolyte discharged from a cathode chamber are each circulated independently, and thus does not require an additional device for solving same, and can resolve the problem of a reduction in processability according to electrolyte re-injection and operation stabilization.
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
C25B 9/21 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms two or more diaphragms
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
34.
PIPE PIGGING SYSTEM FOR CLEANING AND CONTROLLING SPEED OF PIG
Disclosed is a pipe pigging system for cleaning and controlling the speed of a pig, the system comprising: a pig for cleaning a pipe for supplying fuel, wherein the pig cleans the pipe while moving inside the pipe; a first station which is connected to a fuel supply side at one end of the pipe, and which launches the pig and receives the pig when the pig comes back; a second station which is connected to a fuel reception side at the other end of the pipe, and which receives the pig launched from the first station and launches the pig to the first station; first and second compressed air supply units for supplying compressed air to the first and second stations, respectively, in order to move the pig; first and second pig cleaning units for washing the pig contaminated after cleaning the pipe, the first and second pig cleaning units being connected to the first and second stations, respectively; and a control unit which controls the pigging operation involving the launching and return of the pig, and controls the pigging speed of the pig between the first and second stations.
Provided is a floating structure for solar power generating on water. The floating structure includes: unit lines including a main buoyancy body and an auxiliary buoyancy body arranged in a transverse direction and being arranged in a longitudinal direction; a connection member that connects the main buoyancy body to the auxiliary buoyancy body so that the bottom surface of the main buoyancy body is located lower than the bottom surface of the auxiliary buoyancy body; and a platform that connects auxiliary buoyancy bodies included in adjacent unit lines in the longitudinal direction. One or more ends of the main buoyancy body and the auxiliary buoyancy body include a first fastening portion and a second fastening portion that fastens two or more of the main buoyancy body and the auxiliary buoyancy body, and the connection member includes a support portion and third fastening portions provided at ends of the support portion.
One aspect of the present invention provides an apparatus for generating sodium hydroxide and an apparatus for generating sodium hypochlorite comprising same, wherein the apparatus for generating sodium hydroxide comprises: a first tank in which sodium salt containing two or more sodium ions in a molecule is stored; a first electrolyzer including a first anode chamber and a first cathode chamber that are partitioned by means of a first diaphragm; and a water supply device for supplying water to the first tank and the first cathode chamber, wherein the first tank, a pipe for supplying a sodium salt aqueous solution generated in the first tank to the first anode chamber, the first anode chamber, and a pipe for supplying a material generated in the first anode chamber to the first tank form a closed loop.
Disclosed is an electrolysis device including an electrolytic cell composed of an anode compartment equipped with an anode, a cathode compartment equipped with a cathode, and a diaphragm separating the anode compartment and the cathode compartment from each other. The device further includes an alkaline solution supply unit for supplying an alkaline solution as an electrolyte to the anode compartment, an acidic solution supply unit for supplying an acidic solution as an electrolyte to the cathode compartment, and first and second outlets for discharging electrolyzed water from the anode compartment and the cathode compartment, respectively. In the anode compartment, hydroxide ions of the alkaline solution generate oxygen through an electrode reaction, and, in the cathode compartment, hydrogen ions generate hydrogen through an electrode reaction.
An aspect of the present invention provides a system for producing sodium hypochlorite, the system comprising: a first unit for obtaining saturated brine and purified water; a second unit comprising an anode chamber and a cathode chamber partitioned by a diaphragm, the anode chamber converting the saturated brine into an anode product containing chlorine gas and anode water, the cathode chamber converting the purified water into a cathode product containing sodium hydroxide, hydrogen gas, and hydroxide ions (OH--- -), or a combination thereof in the cathode product from moving to the anode chamber through the diaphragm.
Provided, according to one aspect of the present invention, are a sodium hypochlorite production system and a water treatment method using same, the sodium hypochlorite production system comprising: a first means for obtaining saturated brine and purified water using a first sub-stream branching off from a main stream of water being treated; a second means for obtaining an anodic product and cathodic product by electrolyzing the saturated brine and purified water; and a third means for obtaining sodium hypochlorite by reacting the anodic product and cathodic product using a second sub-stream branching off from the main stream of the water being treated.
One aspect of the present invention provides: an electrode assembly comprising an electrode plate and a flow path guide provided on one surface of the electrode plate, along the boundary of the electrode plate; and an electrolyzer comprising the electrode assembly.
Disclosed is a device for the recombination of hydrogen and oxygen, the device being characterized by including: a catalyst unit for recombining a mixed gas of air and another gas into water by a catalytic reaction; a cooling unit for cooling heat generated during the catalytic reaction in the catalyst unit; and a heat exchange unit for transferring heat from the catalyst unit to the cooling unit.
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
Disclosed is a system for the recombination of hydrogen and oxygen, comprising: a hydrogen recombination chamber in which a mixed gas of air and a gas flows so as to be treated by being recombined with hydrogen to form water through a catalytic reaction, and then is discharged; a catalyst part provided inside the hydrogen recombination chamber so as to generate water by recombining the hydrogen and oxygen of the mixed gas through a catalytic reaction; and a heat exchange device for cooling, by means of heat exchange, the heat generated during the catalytic reaction in the catalyst part.
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
One aspect of the present invention provides a method for treating ballast water, comprising: a first step of transporting a raw material from a first base to a second base at which a ship can anchor; a second step of preparing a treatment agent by inputting the raw material into on-site treatment agent manufacturing equipment located at the second base; and a third step of supplying the treatment agent to the ship anchored at the second base, and treating ballast water by using the treatment agent.
Disclosed is an electrolysis device for producing hydrogen and oxygen, comprising: an anode installed in an anode part of an electrolyzer; a cathode installed in a cathode part of the electrolyzer; a diaphragm that partitions the electrolyzer into the anode part and the cathode part; an alkaline solution supply part that supplies an alkaline solution as an electrolyte to the anode part; an acidic solution supply part that supplies an acidic solution as an electrolyte to the cathode part; and first and second discharge parts that discharge electrolytic water generated in the anode part and the cathode part, respectively. In the anode part, hydroxyl ions of the alkaline solution produce oxygen through an electrode reaction, and, in the cathode part, hydrogen ions of the acidic solution produce hydrogen through an electrode reaction.
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C25B 1/10 - Electrolytic production of inorganic compounds or non-metals of hydrogen or oxygen by electrolysis of water in diaphragm cells
C25B 13/04 - DiaphragmsSpacing elements characterised by the material
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
45.
ANODE STRUCTURE FOR ELECTROLYTIC SMELTING, METHOD FOR MANUFACTURING SAME, AND ELECTROLYTIC SMELTING DEVICE HAVING SAME
An anode structure for electrolytic smelting according to the present invention comprises: an electrode where a metal coating layer is formed on a base material; a conductive support body, coupled to the electrode, for supporting the electrode; and a head bar coupled to the conductive support body, wherein one end of the conductive support body is coupled to the electrode, and the other end of the conductive support body is coupled to the head bar. The anode structure for electrolytic smelting according to the present invention has an advantage that is able to protect the base material to be used for a long period of time and prevent elution of lead and so as to produce metal of high-purity, and is able to efficiently smelt nonferrous metal with relatively low power consumption.
Disclosed is a pipe-type electrolysis cell including: a pair of terminal electrodes including an outer electrode and an inner electrode that are electrically connected to each other at respective first ends thereof and separated from each other at respective second ends thereof; and a bipolar electrode installed between the terminal electrodes and electrically insulated the terminal electrodes.
Disclosed is an electrolysis module including: an electrolysis unit module including a plurality of pipe-type electrolysis cells connected in series with each other; a molding case surrounding the periphery of the electrolysis unit module to protect the electrolysis module; a cell guide member installed in the molding case to support the electrolysis unit module; a power cable having a first end connected to the electrolysis unit module and a second end extending to an outside through the molding case; and a resin layer formed by filling the inside of the molding case to cover the outer surface of the electrolysis unit module disposed in the molding case.
The present invention relates to a diaphragm electrolytic bath, which has an anode and a cathode facing each other and a diaphragm for partitioning an anode chamber in which the anode is positioned and a cathode chamber in which the cathode is positioned, and an electrolysis method for producing chemical products in the anode chamber and cathode chamber simultaneously by means of the electrolytic bath. The electrolytic bath is characterized by: supplying an electrolyte solution, which comprises solutes that are to show varied electrode reactions, to an anode chamber and a cathode chamber of a diaphragm electrolyte bath; and varied electrolysis products simultaneously being produced by means of electrolytic reactions of the varied solutes in the anode and the cathode, respectively.
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C25B 11/04 - ElectrodesManufacture thereof not otherwise provided for characterised by the material
49.
ELECTROLYSIS SYSTEM AND ELECTROLYSIS METHOD USING SAME
The present invention relates to an electrolysis system and an electrolysis method using same, the system comprising: a diaphragm electrolytic bath which comprises an anode chamber, for receiving a supply of sulfate ions as an electrolyte solution and producing persulfate oxide by mean of an anodic reaction, and a cathode chamber for receiving a supply of a carbon dioxide gas or an electrolyte solution in which the gas has been dissolved and producing a formate; and a concentrated acidification unit which is for converting the formate, produced by means of the diaphragm electrolytic bath, into a formic acid.
C25B 3/04 - Electrolytic production of organic compounds by reduction
C25B 9/18 - Assemblies comprising a plurality of cells
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
50.
FORMIC ACID PREPARATION APPARATUS AND FORMIC ACID PREPARATION METHOD
The present invention relates to a formic acid preparation apparatus and a formic acid preparation method using same, the formic acid preparation apparatus comprising: a first diaphragm electrolytic bath for receiving a supply of carbon dioxide and generating a formate; and a second diaphragm electrolytic bath for receiving the formate, which has been generated by means of the first diaphragm electrolytic bath, generating a formic acid and alkali metal or alkaline earth metal electrolyte, and supplying the alkali metal or alkaline earth metal electrolyte to the first diaphragm electrolytic bath.
3—N), and refractory COD-causing pollutants in industrial wastewater, includes: stripping ammonia from raw wastewater, producing an oxidizing agent via addition of sulfuric acid to the stripped ammonia, electrolysis and addition of sodium hydroxide, and performing chemical treatment by adding the produced oxidizing agent back to the raw wastewater from which ammonia was stripped, thus removing the nitrogen pollutants (T-N) and the refractory COD-causing pollutants, and the apparatus used to perform the wastewater treatment method is also provided.
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C02F 9/00 - Multistage treatment of water, waste water or sewage
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
Disclosed is a ballast water treatment system including: a ballast water supply unit for supplying seawater employed as ballast water to a ballast water tank; an electrolysis device receiving a part of the seawater being supplied to the ballast water tank, and generating sodium hypochlorite and hydrogen gas as by-product gas by electrolyzing the part of the seawater being supplied to the ballast water tank via the ballast water supply unit; and a hydrogen gas removing device receiving a gas-liquid mixture of electrolyzed water and the hydrogen gas that are generated in the electrolysis device, removing the hydrogen gas by a catalyst reaction, and supplying remaining electrolyzed water to the ballast water tank via the ballast water supply unit.
Disclosed is an electrolysis device including: an electrolyzing tank generating electrolyzed water and hydrogen gas as by-product gas by electrolyzing raw water supplied from a raw water supply unit; and a catalyst reaction tank having therein a hydrophobic catalyst, and receiving the hydrogen gas generated from the electrolyzing tank, and removing the hydrogen gas by a catalyst reaction.
Disclosed is a pipe-type electrolysis cell comprising: a pair of terminal electrodes, having pipe-type outer electrode and inner electrode, of which one ends are electrically connected to each other and the other ends are separated from each other; and a pipe-type bipolar electrode which is provided inside the pair of terminal electrodes and is insulated from the terminal electrodes.
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
C25B 11/02 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form
C25B 1/34 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
Disclosed is an electrolysis module comprising: an electrolysis unit module which has a plurality of pipe-type electrolysis cells connected in a line; a molding case which covers the periphery of the electrolysis unit module and protects same; a cell guide member which is provided in the molding case and supports the electrolysis unit module; a power cable of which one end is connected to the electrolysis unit module and the other end passes through the molding case and is extended outside; and a resin-filled layer which is formed by means of a resin material filling the molding case so as to cover the outer side of the electrolysis unit module mounted in the molding case.
Disclosed is a wet gas cleaning apparatus using ultrasonic waves comprising: a gas processing tower in which a gas inflow pipe, into which a gas to be processed flows therein, is connected to a cleaning solution supply pipe for processing the gas, and in which an atomized cleaning solution and the gas to be processed can be mixed, come into contact, and react with each other; and an ultrasonic wave generation unit generating ultrasonic waves in the gas processing tower so as to atomize the cleaning solution supplied to the inside of the gas processing tower, wherein the ultrasonic waves are generated by setting an ultrasonic frequency region according to a type, a density, a composition, a particle size, and a temperature condition of the cleaning solution.
The present invention relates to resource-reuse type industrial waste water treatment method and apparatus utilizing an oxidizing agent generated by utilizing waste water, the purpose being to provide resource-reuse type industrial waste water treatment method and apparatus which treats waste water economically without purchasing expensive oxidizing agents by degassing waste water during treatment of the industrial waste water containing nitrogenous compounds and non-biodegradable COD-induced pollutants, and utilizing the generated ammonia gas as raw material to autonomously generate an oxidizing agent which is then reintroduced into the waste water. The present invention is characterized by a resource-reuse type industrial waste water treatment method utilizing an oxidizing agent generated by utilizing the waste water, and a treatment apparatus for carrying out the method, the method for treating waste water according to the present invention, which reduces nitrogenous pollutants (T-N) and non-biodegradable COD-induced pollutants from industrial waste water containing nitrogenous pollutants (T-N) comprising ethanolamine compound and ammonia nitrogen (NH3-N), and non-biodegradable COD-induced pollutants, comprising the steps of: degassing ammonia from raw waste water; adding caustic soda to generate oxidizing agent after electrolysis of degassed ammonia to which sulfuric acid has been added; and a chemical treatment step for reintroducing the generated oxidizing agent into the raw waste water from which ammonia has been degassed to remove nitrogenous pollutants (T-N) and non-biodegradable COD-induced pollutants.
Disclosed is an electrolysis device comprising: an electrolyzing tank generating hydrogen gas from electrolyzed water and byproduct gas by electrolyzing raw water supplied from a raw water supply unit; and a catalyst reaction tank having provided therein a hydrophobic catalyst which receives the hydrogen gas generated from the electrolyzing tank, and removes the hydrogen gas through a catalyst reaction.
Disclosed is a ballast water treatment system comprising: a seawater supply unit for supplying, to a ballast water tank of a vessel, seawater to be used as ballast water; an electrolysis device generating hydrogen gas from sodium hypochlorite and byproduct gas by receiving, then electrolyzing a portion of the seawater supplied to the ballast water tank by the seawater supply unit; and a hydrogen gas removing device receiving a gas-liquid mixture having mixed therein the hydrogen gas and electrolyzed water generated from the electrolysis device, removing the hydrogen gas through a catalyst reaction, and supplying the remaining electrolyzed water to the ballast tank through a ballast water supply unit.
Disclosed are a method of manufacturing a diamond electrode by a chemical vapor deposition (CVD) process, and a diamond electrode manufactured by the method. The method of manufacturing the diamond electrode includes: introducing a carbon source gas to form niobium carbide (NbC) on a niobium substrate, immediately before depositing an electrically conductive diamond layer on the substrate by a hot-filament chemical vapor deposition (HFCVD) process; and depositing electrically conductive diamond layers on the substrate by two or more separate processes. Accordingly, a pinhole present during deposition of the electrically conductive diamond layer is filled such that the contact between an electrolyte and the substrate in an electrolytic environment will be minimized so as to retard the corrosion of the substrate, thereby providing a diamond electrode having a long life span.
Disclosed is a system for treating exhaust gas, comprising: an electrodialysis device for generating a base and an acid by means of an electromotive force from raw water including sea water or salt water; an electrolysis device for generating a chlorine-based oxidizer by electrolyzing chloride ions contained in the raw water; a primary reaction/absorption tower for primarily treating the exhaust gas introduced through an exhaust gas inlet, by receiving the chlorine-based oxidizer in an acid region, which has been generated through the electrodialysis device and the electrolysis device; and a secondary reaction/absorption tower connected to the primary reaction/absorption tower to secondarily treat the primarily treated exhaust gas by receiving a chloride solution generated by the electrodialysis device.
KOREA WATER RESOURCES CORPORATION (Republic of Korea)
Inventor
Jung, Boong Ik
Kim, Jung Sik
Shin, Hyun Su
Bae, Sang Seek
Lee, Kyong
Lee, Young Jae
Abstract
The present invention relates to a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products, which is a chlorine disinfection device for on-site generation and produces sodium hypochlorite solution by electrolyzing sodium chloride aqueous solution on site, thereby requiring no additional liquefied chlorine storage equipment or disaster prevention equipment and securing flexibility of installation and operation while not being regulated by a high-pressure gas safety control act.
The highly efficient sodium hypochlorite generation apparatus of the present invention capable of decreasing disinfection by-products comprises: a diaphragm electrolytic bath comprising an anode room into which a sodium chloride aqueous solution flows, a cathode room into which water flows, and a cation exchange membrane for dividing the anode room and the cathode room; an anode water storage tank for storing chlorine gas and anode water generated by the electrolysis of the anode room; a cathode water storage tank for storing sodium hydroxide generated by the electrolysis of the cathode room and discharging hydrogen gas; and a gas/liquid contact portion in which the chlorine gas supplied from the anode water storage tank reacts with the sodium hydroxide generated at the cathode water storage tank to produce sodium hypochlorite, wherein the sodium hypochlorite generation apparatus further comprises a water-splitting electrodialysis tank for producing hydrochloric acid and sodium hydroxide using a sodium chloride aqueous solution and water to supply the same as anode water and cathode water, respectively.
The present invention can provide a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products which can minimize the generation of chlorate ions (ClO3−), by-products, by increasing the chlorine generation efficiency of an anode and adjusting a material balance in case of gas/liquid contact. In addition, since it is possible to provide chemicals generated using salt only to a diaphragm sodium hypochlorite generation apparatus, a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products with excellent safety and economic efficiency can be provided without using expensive chemicals that are difficult to handle.
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
63.
Scrubber system having an apparatus for creating automatic an oxidizing bent and absorbent
The present invention relates to a scrubber system having an automatic generator for an oxidizing-absorbing agent. The scrubber system comprises a scrubber and an oxidizing-absorbing agent generator. The scrubber includes a pollutant gas inlet through which air pollutants are introduced, a treated gas outlet through which the pollutant gas which has been treated is discharged, and a treated water outlet through which wastewater which has been used to treat the pollutant gas is discharged. The oxidizing-absorbing agent generator generates an oxidizing-absorbing agent by electrolyzing saline water or seawater in the scrubber, and supplies the generated oxidizing-absorbing agent into the scrubber to treat the pollutant gas introduced through the pollution gas inlet, thereby removing harmful substances.
F01N 3/08 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
C02F 103/02 - Non-contaminated water, e.g. for industrial water supply
KOREA WATER RESOURCES CORPORATION (Republic of Korea)
Inventor
Jung, Boong Ik
Kim, Jung Sik
Shin, Hyun Su
Bae, Sang Seek
Lee, Kyong
Lee, Young Jae
Abstract
The present invention relates to a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products, which is a chlorine disinfection device for on-site generation and produces a sodium hypochlorite solution by electrolyzing a sodium chloride aqueous solution on site, thereby requiring no additional liquefied chlorine storage equipment or disaster prevention equipment and securing flexibility of installation and operation while not being regulated by a high-pressure gas safety control act. The highly efficient sodium hypochlorite generation apparatus of the present invention capable of decreasing disinfection by-products comprises: a diaphragm electrolytic bath comprising an anode room into which a sodium chloride aqueous solution flows, a cathode room into which water flows, and a cation exchange membrane for dividing the anode room and the cathode room; an anode water storage tank for storing chlorine gas and anode water generated by the electrolysis of the anode room; a cathode water storage tank for storing sodium hydroxide generated by the electrolysis of the cathode room and discharging hydrogen gas; and a gas/liquid contact portion in which the chlorine gas supplied from the anode water storage tank reacts with the sodium hydroxide generated at the cathode water storage tank to produce sodium hypochlorite, wherein the sodium hypochlorite generation apparatus further comprises a water-splitting electrodialysis tank for producing hydrochloric acid and sodium hydroxide using a sodium chloride aqueous solution and water to supply the same as anode water and cathode water, respectively. The present invention can provide a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products which can minimize the generation of chlorate ions (ClO3-), by-products, by increasing the chlorine generation efficiency of an anode and adjusting a material balance in case of gas/liquid contact. In addition, since it is possible to provide chemicals generated using salt only to a diaphragm sodium hypochlorite generation apparatus, a highly efficient sodium hypochlorite generation apparatus capable of decreasing disinfection by-products with excellent safety and economic efficiency can be provided without using expensive chemicals that are difficult to handle.
The present invention relates to a scrubber system having an automatic generator for an oxidizing-absorbing agent. The scrubber system comprises a scrubber and an oxidizing-absorbing agent generator. The scrubber includes a pollutant gas inlet through which air pollutants are introduced, a treated gas outlet through which the pollutant gas which has been treated is discharged, and a treated water outlet through which wastewater which has been used to treat the pollutant gas is discharged. The oxidizing-absorbing agent generator generates an oxidizing-absorbing agent by electrolyzing saline water or seawater in the scrubber, and supplies the generated oxidizing-absorbing agent into the scrubber to treat the pollutant gas introduced through the pollution gas inlet, thereby removing harmful substances.
KOREA WATER RESOURCES CORPORATION (Republic of Korea)
Inventor
Lee, Kyung
Cho, Hae Jin
Sim, Sung Hyun
Jung, Boong Ik
Shin, Hyun Su
Kim, Jung Sik
Abstract
The present invention provides an apparatus for generating sodium hypochlorite, comprising: a pretreatment means for pretreating inflowing feed water to produce pure water; a salt storage tank for producing a saturated sodium chloride aqueous solution with the inflowing pretreated pure water and accommodating sodium chloride; a diaphragm electrolytic bath comprising an anode chamber to which the saturated sodium chloride aqueous solution flows, a cathode chamber in which the pretreated pure water flows, and an ion exchange membrane for dividing the anode chamber and the cathode chamber; an anode water storage tank for storing a chlorine gas and anode water generated by electrolysis of the anode chamber; a cathode water chamber for storing sodium hydroxide generated by electrolysis of the cathode chamber and dilution of a hydrogen gas below an explosion limit to discharge the same; a sodium hypochlorite reaction chamber for generating sodium hypochlorite through the reaction of the chlorine gas supplied from the anode water storage tank and the sodium hydroxide generated at the cathode water storage tank; and a sodium hypochlorite storage tank for storing the sodium hypochlorite generated at the sodium hypochlorite reaction tank. The present invention can reduce disinfection by-products, lower maintenance costs and provide ease of use. Particularly, it is possible to prevent the danger of chlorine leakage due to chlorination, and a disinfectant is directly generated with sodium chloride on site without a chlorine transporting process, thereby remarkably reducing danger.
C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C02F 1/66 - Treatment of water, waste water, or sewage by neutralisationTreatment of water, waste water, or sewage pH adjustment
