[go: up one dir, main page]

CN118547295B - PEM electrolytic water-gas-liquid separation process and device - Google Patents

PEM electrolytic water-gas-liquid separation process and device Download PDF

Info

Publication number
CN118547295B
CN118547295B CN202411019223.2A CN202411019223A CN118547295B CN 118547295 B CN118547295 B CN 118547295B CN 202411019223 A CN202411019223 A CN 202411019223A CN 118547295 B CN118547295 B CN 118547295B
Authority
CN
China
Prior art keywords
water
tank
liquid separation
exchange resin
ion exchange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202411019223.2A
Other languages
Chinese (zh)
Other versions
CN118547295A (en
Inventor
李彦廷
赵世雄
姜锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Hydrogen New Future Energy Technology Co ltd
Original Assignee
Dalian Hydrogen New Future Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Hydrogen New Future Energy Technology Co ltd filed Critical Dalian Hydrogen New Future Energy Technology Co ltd
Priority to CN202411019223.2A priority Critical patent/CN118547295B/en
Publication of CN118547295A publication Critical patent/CN118547295A/en
Application granted granted Critical
Publication of CN118547295B publication Critical patent/CN118547295B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/02Hydrogen or oxygen
    • C25B1/04Hydrogen or oxygen by electrolysis of water
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/083Separating products
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/085Removing impurities
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/087Recycling of electrolyte to electrochemical cell
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The invention relates to a PEM electrolytic water-gas-liquid separation process and a device, belonging to the technical field of electrolytic hydrogen production. The method comprises the steps of electrolyzing water in a PEM (proton exchange membrane) electrolytic tank to obtain hydrogen and oxygen, respectively injecting the hydrogen and the oxygen into a hydrogen gas-liquid separation tank and an oxygen gas-liquid separation tank for gas-liquid separation, removing ionic impurities in the water by the obtained liquid in an ion exchange mode, and connecting the hydrogen gas-liquid separation tank, a cathode ion exchange resin tank and a first circulating pump in series for water circulation, wherein the hydrogen gas-liquid separation tank and the oxygen gas-liquid separation tank are respectively communicated with the PEM electrolytic tank for circulation operation. The invention solves the problem of exceeding the water electrolysis rate and realizes the recycling of water.

Description

PEM electrolytic water-gas-liquid separation process and device
Technical Field
The invention relates to a PEM electrolytic water-gas-liquid separation process and a device, belonging to the technical field of electrolytic hydrogen production.
Background
Hydrogen energy is the best energy choice in the low carbon age and plays an important role in the current energy conversion. Electrolytic water hydrogen production is a well-known green hydrogen production method, however, the energy consumption and water resource consumption problems are quite remarkable. The system integration in PEM (proton exchange membrane) electrolyzed water relates to the recycling of water, and the phenomenon of impurity cation enrichment exists when the water in a PEM cathode is electrically towed, so that the water conductivity in the cathode exceeds the standard, and the water cannot be directly recycled to the whole water circulation of the system.
Disclosure of Invention
In order to solve the technical problems mentioned in the background art, the invention provides a PEM electrolytic water-gas-liquid separation device and a process, solves the problem of exceeding the water electrolysis rate, and realizes the recycling of water.
The technical scheme adopted by the invention is that a PEM electrolytic water-gas-liquid separation process is adopted, specifically, a PEM electrolytic tank electrolyzes water to obtain hydrogen and oxygen, the hydrogen and the oxygen are respectively injected into a hydrogen gas-liquid separation tank and an oxygen gas-liquid separation tank to carry out gas-liquid separation, and after the ionic impurities in the water are removed by an anode ion exchange resin tank to obtain pure water, the pure water can also flow into the hydrogen gas-liquid separation tank to carry out water circulation; after the cathode ion exchange resin tank removes ionic impurities in water to obtain pure water, the pure water can also flow into an oxygen gas-liquid separation tank for water circulation, or the hydrogen gas-liquid separation tank, the cathode ion exchange resin tank and the first circulating pump form a self-circulation, and the hydrogen gas-liquid separation tank and the oxygen gas-liquid separation tank are respectively communicated with a PEM (proton exchange membrane) electrolytic cell for circulation operation.
The invention also provides a device adopted by the PEM electrolytic water-gas-liquid separation process, which comprises a PEM electrolytic tank, a first circulating pump, a second circulating pump, an oxygen gas-liquid separation tank, a hydrogen gas-liquid separation tank, an ion exchange resin tank and a conductivity tester,
A PEM electrolyzer for electrolyzing water to produce hydrogen and oxygen;
an oxygen gas-liquid separation tank for separating oxygen and water;
A hydrogen gas-liquid separation tank for separating hydrogen and water;
an ion exchange resin tank for removing ionic impurities in water to obtain pure water;
the conductivity tester is used for measuring the conductivity in the oxygen gas-liquid separation tank and/or the hydrogen gas-liquid separation tank and transmitting the electric signal to the first circulating pump;
the first circulating pump is used for pumping pure water into the hydrogen gas-liquid separation tank for repeated water circulation;
A second circulation pump for circulating pure water into the PEM electrolyzer;
The ion exchange resin tanks are an anode ion exchange resin tank and a cathode ion exchange resin tank respectively, and after the anode ion exchange resin tank removes ionic impurities in water to obtain pure water, the pure water can also flow into a hydrogen gas-liquid separation tank for water circulation; after the cathode ion exchange resin tank removes ionic impurities in water to obtain pure water, the pure water can also flow into an oxygen gas-liquid separation tank for water circulation, or the hydrogen gas-liquid separation tank, the cathode ion exchange resin tank and the first circulating pump form a self-circulation, and the hydrogen gas-liquid separation tank and the oxygen gas-liquid separation tank are respectively communicated with a PEM (proton exchange membrane) electrolytic cell for circulation operation.
Further, the oxygen output end of the PEM electrolytic tank is communicated with the oxygen gas-liquid separation tank, the hydrogen output end of the PEM electrolytic tank is communicated with the hydrogen gas-liquid separation tank, and the oxygen output end and the hydrogen output end of the PEM electrolytic tank are both provided with air outlet valves.
Further, the ion exchange resin tank is a mixed bed exchange resin tank.
Further, the anode ion exchange resin tank and the cathode ion exchange resin tank are connected in series.
Further, a water valve is also arranged on a pipeline between the anode ion exchange resin tank and the cathode ion exchange resin tank.
Further, after the ion exchange resin tank obtains pure water, the pure water is pumped into the PEM electrolyzer by a second circulation pump along a water return line.
Further, a control valve is arranged on the water return pipeline.
Further, the oxygen gas-liquid separation tank is also communicated with the water supplementing tank, and a high-pressure water supplementing pump is further arranged between the water supplementing tank and the oxygen gas-liquid separation tank.
Further, a shut-off valve is also installed between the water return pipeline and the oxygen output end of the PEM electrolytic tank.
Compared with the prior art, the invention solves the problem of exceeding water electrolysis rate, and pure water obtained after treatment by an ion exchange resin tank can be used as water supplementing raw material of a PEM electrolytic tank, so that water recycling is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of the structure of embodiment 1.
The figure shows:
1. A PEM electrolyzer; 2. a first circulation pump; 3. a second circulation pump; 4. an oxygen gas-liquid separation tank; 5. a hydrogen gas-liquid separation tank; 6. an anode ion exchange resin tank; 7. a cathode ion exchange resin tank; 8. an air outlet valve; 9. a water valve; 10. a control valve; 11. a high-pressure water supplementing pump; 12. a shut-off valve; 13. a heat exchanger; 14. a filter; 15. a flow meter; 16. a heater; 17. an oxygen discharge pipeline; 18. a hydrogen discharge pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to further understand the present invention, the following description will further explain the present invention in conjunction with the specific embodiments.
Examples
As shown in fig. 1, the embodiment provides a PEM electrolytic water vapor-liquid separation device and a separation process, comprising a PEM electrolytic tank 1, a first circulating pump 2, a second circulating pump 3, an oxygen vapor-liquid separation tank 4, a hydrogen vapor-liquid separation tank 5, an ion exchange resin tank and a conductivity tester, wherein the PEM electrolytic tank 1 is used for electrolyzing water to generate hydrogen and oxygen; an oxygen gas-liquid separation tank 4 for separating oxygen and water by gravity, wherein the oxygen moves towards the tank top, the oxygen is discharged from an oxygen discharge pipeline 17 at the tank top of the oxygen gas-liquid separation tank 4, and the water moves towards the tank bottom; a hydrogen gas-liquid separation tank 5 for separating hydrogen and water by gravity, wherein the hydrogen moves towards the tank top, the hydrogen is discharged from a hydrogen discharge pipeline 18 at the tank top of the hydrogen gas-liquid separation tank 5, and the water moves towards the tank bottom; an ion exchange resin tank for removing ionic impurities in water to obtain pure water; the conductivity tester is used for measuring the conductivity of the water in the oxygen gas-liquid separation tank 4 and/or the hydrogen gas-liquid separation tank 5 and transmitting an electric signal to the first circulating pump 2; a first circulation pump 2 for pumping pure water into the hydrogen gas-liquid separation tank 5 for repeated water circulation; a second circulation pump 3 for circulating pure water into the PEM electrolyzer 1.
Specifically, the oxygen output end of the PEM electrolytic tank 1 is communicated with the oxygen gas-liquid separation tank 4, the oxygen output end of the PEM electrolytic tank 1 and the oxygen gas-liquid separation tank 4 are also provided with a heat exchanger 13, the hydrogen output end of the PEM electrolytic tank 1 is communicated with the hydrogen gas-liquid separation tank 5, the oxygen output end and the hydrogen output end of the PEM electrolytic tank 1 are both provided with an air outlet valve 8, and whether to output oxygen and/or hydrogen is controlled by the air outlet valve 8; the ion exchange resin tanks are respectively an anode ion exchange resin tank 6 and a cathode ion exchange resin tank 7, the anode ion exchange resin tank 6 is communicated with the tank bottom of the oxygen gas-liquid separation tank 4, the cathode ion exchange resin tank 7 is communicated with the tank bottom of the hydrogen gas-liquid separation tank 5, the anode ion exchange resin tank 6 and the cathode ion exchange resin tank 7 are connected, a water valve 9 is also arranged on a pipeline between the two tanks, and whether the anode ion exchange resin tank 6 and the cathode ion exchange resin tank 7 are communicated is controlled by the water valve 9; after the anode ion exchange resin tank 6 removes ionic impurities in water to obtain pure water, the pure water is pumped into the PEM electrolytic tank 1 through a second circulating pump 3 along a water return pipeline, wherein a control valve 10 is arranged on the water return pipeline, and a filter 14, a flowmeter 15 and a heater 16 are also arranged on the water return pipeline; after the anode ion exchange resin tank 6 removes ionic impurities in water to obtain pure water, the pure water can also flow into the hydrogen gas-liquid separation tank 5 for water circulation; after the cathode ion exchange resin tank 7 removes ionic impurities in water to obtain pure water, the pure water can also flow into the oxygen gas-liquid separation tank 4 for water circulation, or the cathode ion exchange resin tank 7, the hydrogen gas-liquid separation tank 5 and the first circulating pump 2 form a self-circulation, when the conductivity of the pure water measured by a conductivity tester in the cathode ion exchange resin tank 7 reaches the standard, the water valve 9 is opened, and the pure water flows into the PEM electrolytic tank 1 for circulation along the water return pipeline. A shut-off valve 12 is also installed between the return line and the oxygen output of the PEM electrolyzer 1. When the control valve 10 and the air outlet valve 8 are closed, fluid circulates among the oxygen gas-liquid separator, the anode ion exchange resin tank 6, the hydrogen gas-liquid separator, the cathode ion exchange resin tank 7 and the water return pipeline to carry out water quality purification treatment so as to improve the conductivity of water and prevent the water from flowing through the PEM electrolytic tank 1. In order to improve the purity of water, the process flow of the invention can realize continuous purification effect on anode circulating water which is undergoing the electrolytic reaction in real time by flowing through the anode ion exchange resin tank 6 during the electrolytic reaction.
The oxygen gas-liquid separation tank 4 is also communicated with a water supplementing tank, a high-pressure water supplementing pump 11 is further arranged between the water supplementing tank and the oxygen gas-liquid separation tank 4, and water in the water supplementing tank is injected into the oxygen gas-liquid separation tank 4 through the high-pressure water supplementing pump 11 so as to be further injected into the PEM electrolytic tank 1 for supplementing water.
The process of this embodiment specifically includes that water is electrolyzed in a PEM electrolyzer 1 to obtain hydrogen and oxygen, specifically, water molecules are firstly decomposed into oxygen and hydrogen positive ions under the catalysis of an anode catalyst, then the hydrogen positive ions pass through a PEM membrane between a cathode and an anode, and then hydrogen is generated under the catalysis of a cathode catalyst, because the hydrogen generated at the cathode and the oxygen generated at the anode are separated by the PEM membrane, then the hydrogen and the oxygen are respectively injected into a hydrogen gas-liquid separation tank 5 and an oxygen gas-liquid separation tank 4 for gas-liquid separation, the obtained liquid is subjected to ion exchange to remove ionic impurities in the water, the hydrogen gas-liquid separation tank 5, the cathode ion exchange resin tank 7 and a first circulating pump 2 are connected in series for water circulation, and the hydrogen gas-liquid separation tank 5 and the oxygen gas-liquid separation tank 4 are respectively communicated with the PEM electrolyzer 1 for circulating operation.
Example 2: unlike example 1, the ion exchange resin tank was a mixed bed exchange resin tank, and the liquid flowing out of the oxygen gas-liquid separation tank 4 and the hydrogen gas-liquid separation tank 5 was introduced into the mixed bed exchange resin tank for water purification to remove ionic impurities in water to obtain pure water.
The anode ion exchange resin tank 6, the cathode ion exchange resin tank 7 and the mixed bed ion exchange resin tank are all provided with ion exchange resin cages, and the mesh number of the ion exchange resin cages is 60-100.
The range of the conductivity tester is 1-0.06mS/cm, and the conductivity tester works under the pressure of 0-5Mpa. The working pressure range of the ion exchange resin tank is 0-5Mpa.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (4)

1. A PEM electrolytic water-gas-liquid separation process, which is characterized by comprising the following specific steps: the PEM electrolytic tank (1) electrolyzes water to obtain hydrogen and oxygen, the hydrogen and the oxygen are respectively injected into the hydrogen gas-liquid separation tank (5) and the oxygen gas-liquid separation tank (4) to carry out gas-liquid separation, and after the anode ion exchange resin tank (6) removes ionic impurities in the water to obtain pure water, the pure water also flows into the hydrogen gas-liquid separation tank (5) to carry out water circulation; after the cathode ion exchange resin tank (7) removes ionic impurities in water to obtain pure water, the pure water also flows into the oxygen gas-liquid separation tank (4) to be subjected to water circulation, or the hydrogen gas-liquid separation tank (5), the cathode ion exchange resin tank (7) and the first circulating pump (2) form a self-circulation, when the conductivity of the pure water measured by a conductivity tester in the cathode ion exchange resin tank (7) reaches the standard, a water valve (9) is opened, the pure water flows into the PEM electrolytic tank (1) to be circulated along a water return pipeline, and the hydrogen gas-liquid separation tank (5) and the oxygen gas-liquid separation tank (4) are respectively communicated with the PEM electrolytic tank (1) to be circulated.
2. A separation device for a PEM electrolytic water vapor separation process according to claim 1,
An electrolysis tank (1) for electrolyzing water to generate hydrogen and oxygen;
an oxygen gas-liquid separation tank (4) for separating oxygen and water;
a hydrogen gas-liquid separation tank (5) for separating hydrogen and water;
an ion exchange resin tank for removing ionic impurities in water to obtain pure water;
The conductivity tester is used for measuring the conductivity in the oxygen gas-liquid separation tank (4) and/or the hydrogen gas-liquid separation tank (5) and transmitting an electric signal to the first circulating pump (2);
the first circulating pump (2) is used for pumping pure water into the hydrogen gas-liquid separation tank (5) for repeated water circulation;
A second circulation pump (3) for circulating pure water into the PEM electrolyzer (1);
Wherein the ion exchange resin tanks are respectively an anode ion exchange resin tank (6) and a cathode ion exchange resin tank (7), and the anode ion exchange resin tank (6) and the cathode ion exchange resin tank (7) are connected in series; a water valve (9) is also arranged on a pipeline between the anode ion exchange resin tank (6) and the cathode ion exchange resin tank (7); after the anode ion exchange resin tank (6) removes ionic impurities in water to obtain pure water, the pure water also flows into the hydrogen gas-liquid separation tank (5) for water circulation; after the cathode ion exchange resin tank (7) removes ionic impurities in water to obtain pure water, the pure water also flows into the oxygen gas-liquid separation tank (4) to circulate water, or the hydrogen gas-liquid separation tank (5), the cathode ion exchange resin tank (7) and the first circulating pump (2) form a self-circulation, after the ion exchange resin tank obtains the pure water, the pure water is pumped into the PEM electrolytic tank (1) along a water return pipeline through the second circulating pump (3); a control valve (10) is arranged on the water return pipeline, and a shutoff valve (12) is also arranged between the water return pipeline and the oxygen output end of the PEM electrolytic tank (1).
3. The separation device according to claim 2, characterized in that the oxygen output end of the PEM electrolyzer (1) is connected to the oxygen gas-liquid separation tank (4), the hydrogen output end of the PEM electrolyzer (1) is connected to the hydrogen gas-liquid separation tank (5), and both the oxygen output end and the hydrogen output end of the PEM electrolyzer (1) are provided with outlet valves (8).
4. The separation device of claim 2, wherein the ion exchange resin tank is a mixed bed exchange resin tank.
CN202411019223.2A 2024-07-29 2024-07-29 PEM electrolytic water-gas-liquid separation process and device Active CN118547295B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411019223.2A CN118547295B (en) 2024-07-29 2024-07-29 PEM electrolytic water-gas-liquid separation process and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411019223.2A CN118547295B (en) 2024-07-29 2024-07-29 PEM electrolytic water-gas-liquid separation process and device

Publications (2)

Publication Number Publication Date
CN118547295A CN118547295A (en) 2024-08-27
CN118547295B true CN118547295B (en) 2024-10-22

Family

ID=92455160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411019223.2A Active CN118547295B (en) 2024-07-29 2024-07-29 PEM electrolytic water-gas-liquid separation process and device

Country Status (1)

Country Link
CN (1) CN118547295B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108060430A (en) * 2018-01-08 2018-05-22 上海纳诺巴伯纳米科技有限公司 A kind of device and method that hydrogen and oxygen are generated using membrane electrode for inhaling hydrogen machine
CN118086934A (en) * 2024-02-20 2024-05-28 骆驼集团武汉光谷研发中心有限公司 Proton exchange membrane water electrolysis system and control method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4347972B2 (en) * 1999-11-22 2009-10-21 株式会社神鋼環境ソリューション Water electrolysis equipment
JP3991146B2 (en) * 2000-12-01 2007-10-17 日立造船株式会社 Solid polymer water electrolyzer
JP3750802B2 (en) * 2002-03-19 2006-03-01 富士電機ホールディングス株式会社 Water electrolyzer and its operation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108060430A (en) * 2018-01-08 2018-05-22 上海纳诺巴伯纳米科技有限公司 A kind of device and method that hydrogen and oxygen are generated using membrane electrode for inhaling hydrogen machine
CN118086934A (en) * 2024-02-20 2024-05-28 骆驼集团武汉光谷研发中心有限公司 Proton exchange membrane water electrolysis system and control method thereof

Also Published As

Publication number Publication date
CN118547295A (en) 2024-08-27

Similar Documents

Publication Publication Date Title
CN114574877B (en) Water electrolysis hydrogen production system with waste heat utilization
CN113881951B (en) A lye segmented circulation electrolysis system and its working method
CN114481161A (en) Water electrolysis hydrogen production system and oxygen production subsystem
CN210458375U (en) A device for electrolyzing seawater to produce sodium hypochlorite disinfectant
CN112320895A (en) A device and method for three-dimensional electrode treatment of printing and dyeing wastewater coupled with methane production
CN115161676A (en) A kind of seawater direct hydrogen production device and method
US20230322583A1 (en) Device for efficiently recycling nickel in wastewater and method
CN102605383B (en) Method and device for hydrogen-circulating electrolysis and application of the method and device in production of aluminum oxide
JP3991146B2 (en) Solid polymer water electrolyzer
CN118547295B (en) PEM electrolytic water-gas-liquid separation process and device
CN213933679U (en) Electrolysis device for testing temperature resistance, acid resistance and oxidation resistance of cation exchange membrane
CN107022769B (en) A kind of method and device for extracting high-purity monohydrate lithium hydroxide from the material containing lithium carbonate
CN206188890U (en) Proton exchange membrane water electrolytic ozone oxygen generating device with from purification performance
CN113388849B (en) Hydrochloric acid electrolysis method by ion membrane method
CN116443893A (en) Method and system for preparing ammonium persulfate by using byproduct ammonium sulfate for treating ferric phosphate wastewater
KR200439134Y1 (en) Oxygen generator
US20180194648A1 (en) Electrolytic apparatus
CN203613055U (en) Treatment device for wastewater with high salinity and chlorine
CN221254106U (en) Strong brine processing system
CN106757131A (en) Proton exchange membrane water electrolyzer ozone/oxygen generating means with self-purification function
CN218951509U (en) Cathode side seepage water recovery device of PEM water electrolysis hydrogen production system
CN213202681U (en) Safety emergency guarantee device based on EDI and mixed bed combined use
CN219099334U (en) Movable hydrogen peroxide preparation facilities
CN216237303U (en) Device for extracting sodium bromide from brine
CN215799940U (en) Device capable of simultaneously producing hydrogen-rich water and oxyhydrogen gas

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant