CN115327255A - Novel testing device and testing method for aging life of titanium electrode for chlorine evolution - Google Patents

Novel testing device and testing method for aging life of titanium electrode for chlorine evolution Download PDF

Info

Publication number
CN115327255A
CN115327255A CN202210804688.3A CN202210804688A CN115327255A CN 115327255 A CN115327255 A CN 115327255A CN 202210804688 A CN202210804688 A CN 202210804688A CN 115327255 A CN115327255 A CN 115327255A
Authority
CN
China
Prior art keywords
electrolyte solution
storage tank
electrode
tank
chlorine evolution
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.)
Pending
Application number
CN202210804688.3A
Other languages
Chinese (zh)
Inventor
杨瑞锋
黄杰
冯庆
贾波
任鹏
郝小军
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.)
Xian Taijin Industrial Electrochemical Technology Co Ltd
Original Assignee
Xian Taijin Industrial Electrochemical 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 Xian Taijin Industrial Electrochemical Technology Co Ltd filed Critical Xian Taijin Industrial Electrochemical Technology Co Ltd
Publication of CN115327255A publication Critical patent/CN115327255A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003—Environmental or reliability tests
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses a novel testing device and a testing method for the aging life of a titanium electrode for chlorine evolution, and the testing device comprises an electrolyte solution storage tank, an electrolysis generating device and a magnetic pump which are connected through a pipeline, wherein the bottom of the electrolyte solution storage tank is provided with a drainage valve, a water inlet and a water outlet are also arranged on a tank body, the electrolysis generating device comprises an electrolysis tank, the water outlet is connected with one end of the magnetic pump through a pipeline, the bottom of the electrolysis tank is connected with a flowmeter through a pipeline, and the flowmeter is connected with the magnetic pump; the middle part of the electrolytic tank is provided with an electrolytic tank water outlet which is connected with an electrolyte solution storage tank through a pipeline, so that the electrolyzed electrolyte solution flows into the liquid storage tank; the electrolytic bath is a hollow structure, and the test electrode group is arranged in electrolyte solution in the electrolytic bath. The invention utilizes the actual use environment of the electrode as the test condition of the aging life, the test result can accurately and visually react the durability of the chlorine evolution electrode, and the test result can also be used for prejudging the use of the electrode in the actual environment.

Description

Novel testing device and testing method for aging life of titanium electrode for chlorine evolution
Technical Field
The invention relates to the field of electrode materials applied to electrochemistry and energy industry, in particular to a novel testing device and a testing method for the aging life of a titanium electrode for chlorine evolution.
Background
The titanium anode is also called as dimension stable anode, and consists of a metal titanium substrate and a surface active coating. Since the birth of 1968, the titanium anode has been developed for more than 40 years, and has been widely applied to the fields of chemical industry, environmental protection, water electrolysis, water treatment, electrometallurgy, electroplating, metal foil production, organic electrosynthesis, electrodialysis, cathode protection and the like from the earliest development of the chlor-alkali industry. The chlorine evolution electrode is an extremely important component of the titanium electrode, and the titanium anode plays a great role in economic development.
The characterization means of the titanium anode is mainly aging life test, the medium of the life test is mainly sulfuric acid solution, but the service environment of the chlorine evolution electrode is sodium chloride solution, which can cause that the result of the life test can not accurately and intuitively reflect the durability of the chlorine evolution electrode, and the improvement direction of the electrode performance and the prejudgment of the electrode use in the actual environment can not be accurately grasped. Therefore, it is very important to design a testing device and method for testing the aging life of the chlorine evolution titanium electrode by simulating the actual working conditions.
Disclosure of Invention
In order to solve the problems, the invention provides a novel device and a method for testing the aging life of a chlorine evolution titanium electrode.
The invention has the technical scheme that the novel titanium electrode aging life testing device for chlorine evolution comprises an electrolyte solution storage tank, an electrolysis generating device and a magnetic pump, wherein the electrolyte solution storage tank, the electrolysis generating device and the magnetic pump are connected through pipelines; the electrolytic tank is of a hollow structure, and the test electrode group is arranged in electrolyte solution in the electrolytic tank.
Preferably, the electrolyte solution storage tank, the drainage valve and the electrolytic tank are made of corrosion-resistant materials, and the magnetic pump is a large-flow corrosion-resistant pump.
Preferably, a cover is arranged above the electrolyte solution storage tank and used for condensing and refluxing the evaporated liquid and preventing impurities and the like from entering the electrolyte solution.
Preferably, a heater is arranged in the tank body of the electrolyte solution storage tank.
Preferably, a chloride ion monitoring meter is arranged in the tank body of the electrolyte solution storage tank, and the tank body is also connected with a sodium chloride supplementary solution.
Preferably, the tank body is further connected with a sodium hypochlorite removal device, and the sodium hypochlorite removal device is a filtering type purification device or a neutralization type purification device.
Preferably, the test electrode assembly is assembled and fixedly attached to a plastic gasket which seals against the upper end of the cell and the lower portion of the test electrode assembly is placed in the electrolyte solution in the cell.
Preferably, the electrode group refers to a cathode and an anode, the anode is a titanium anode for chlorine analysis, and the cathode can be made of titanium, stainless steel or other materials.
A novel aging life test method of a titanium electrode for chlorine evolution comprises the steps that a pipeline is connected, electrolyte solution in an electrolyte solution storage tank flows out of a water outlet through a magnetic pump, reaches an electrolytic tank through a flowmeter, is subjected to electrolytic reaction with an electrode group in the electrolytic tank and flows back to the electrolyte solution storage tank, and finally the aging life of the titanium electrode for chlorine evolution is tested; after the beginning of electrolysis, the electrolyte solution storage tank can continuously generate sodium hypochlorite, and the content of the sodium hypochlorite generated in the same time unit is the same under the assumption that the concentration of sodium chloride in the electrolyte solution is unchanged, so that the removal of the sodium hypochlorite is realized by the following two methods:
1) Pumping the electrolyte solution containing sodium hypochlorite in the electrolyte solution reservoir into a filtering type purification device by using a magnetic pump for filtering, and conveying the filtered electrolyte solution back to the electrolyte solution reservoir;
2) The electrolyte solution storage tank is externally connected with a neutralization type purification device, the neutralization type purification device is filled with hydrogen peroxide solution with fixed concentration, and the hydrogen peroxide solution is introduced into the electrolyte solution storage tank at a certain speed by using tools such as a peristaltic pump; a chemical reaction H takes place 2 O 2 +NaClO＝NaCl+2H 2 O, the purposes of removing sodium hypochlorite, obtaining sodium chloride and keeping the electrolyte concentration of the solution unchanged are achieved;
and if the content of the chloride ions is lower than a standard value, the sodium chloride replenishing liquid can be automatically added into the electrolyte solution to balance the content of the chloride ions in the electrolyte solution, and the replenishing flow is controlled by a flow meter connected with the sodium chloride replenishing liquid.
Compared with the related art, the cathode roller which is convenient to replace and low in cost has the following beneficial effects:
(1) The invention creatively utilizes the actual use environment (sodium chloride solution) of the electrode as the test condition of the aging life, the test result can accurately and intuitively react the durability of the chlorine evolution electrode, and the test result can also be used for prejudging the use of the electrode in the actual environment. (2) Analysis and accurate test results of failed samples in a real test environment provide a new direction for improving the performance of the electrodes. (3) The electrolyte solution can be recycled, the purpose of saving water is achieved, and the phenomena of stopping electrolysis reaction, dry burning of electrodes and the like are avoided. (4) The use of hydrogen peroxide reduces the concentration of sodium hypochlorite content in the electrolyte solution caused by electrolytic reaction, and reduces the influence of concentrated sodium hypochlorite on the electrode performance. Meanwhile, the use of the hydrogen peroxide solution enables the sodium chloride content in the electrolyte solution to be well maintained, and the constancy of the electrolyte solution is ensured.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic diagram of a control connection relationship in embodiment 1 of the present invention.
Fig. 4 is a schematic diagram of a control connection relationship in embodiment 2 of the present invention.
Description of the reference symbols:
1: a cover; 2: a neutralization-type purification device; 3: a magnetic pump; 4: an electrolyte solution reservoir; 5: a water inlet; 6: a drain valve; 7: a controller; 8: a water outlet; 9: a flow meter; 10: an electrolytic cell; 11: a plastic gasket; 12: an electrode group; 13: a water outlet of the electrolytic bath; 14: a water return port; 15: sodium chloride supplementary solution; 16: a chloride ion monitor; 17: a heater; 18: a filtration-type purification device; 19: a peristaltic pump.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
Detailed description of the preferred embodiment 1
As shown in fig. 1 and 3, a novel device for testing aging life of a titanium electrode for chlorine evolution comprises an electrolyte solution reservoir 4, an electrolysis generating device and a magnetic pump 3, wherein the electrolyte solution reservoir 4, the electrolysis generating device and the magnetic pump 3 are connected through a pipeline, a drainage valve 6 is arranged at the bottom of the electrolyte solution reservoir 4, a water inlet 5, a water outlet 8 and a water return port 14 are further arranged on a tank body of the electrolyte solution reservoir 4, the electrolysis generating device comprises an electrolytic tank 10, the water outlet 8 is connected with one end of the magnetic pump 3 through a pipeline, the bottom of the electrolytic tank 10 is connected with a flow meter 9 through a pipeline, and the flow meter 9 is connected with the magnetic pump 3 and used for inputting electrolyte solution into the electrolytic tank 10 at a certain flow rate to ensure normal operation of electrolysis. The middle part of the electrolytic tank 10 is provided with an electrolytic tank water outlet 13 which is connected with a water return port 14 of the electrolyte solution storage tank 4 through a pipeline, so that the electrolyzed electrolyte solution flows back into the electrolyte solution storage tank 4, and the electrolyte solution is ensured not to be reduced; the electrolytic cell 10 is a hollow structure, and the test electrode group 12 is placed in an electrolyte solution in the electrolytic cell 10.
In this embodiment, the electrolyte solution reservoir 4, the drain valve 6, and the electrolytic tank 10 are made of corrosion-resistant materials, such as PP, PPR, etc., the electrolytic tank 10 may have different shapes, and the number of the electrolytic tanks may be set according to actual requirements; the magnetic pump 3 is a large-flow anticorrosion pump. Not only is not easy to be corroded by salt water, but also can continuously circulate the salt water, thereby ensuring the actual use environment of the electrode simulation test.
In this embodiment, a cover 1 is disposed above the electrolyte solution reservoir 4, and is used for condensation and backflow after evaporation of the liquid and preventing impurities and the like from entering the electrolyte solution.
In this embodiment, a heater 17 is disposed in the tank body of the electrolyte solution storage tank 4 to ensure that the electrolytic reaction is performed under a constant temperature condition, and the heater 17 is made of a corrosion-resistant material such as teflon.
In this embodiment, a chloride ion monitor 16 is disposed in the tank body of the electrolyte solution storage tank 4, and the tank body is further connected with a sodium chloride supplementary solution 15. The chlorine ion monitoring meter 16 can detect the content of chlorine ions in the electrolyte solution at any time, the tank body is connected with a high-concentration sodium chloride supplementary solution 15, and if the content of the chlorine ions is lower than a standard value, the sodium chloride supplementary solution 15 can be automatically added into the electrolyte solution.
In this embodiment, the cell body still be connected with sodium hypochlorite remove device, this sodium hypochlorite remove device is neutralization type purifier 2, and neutralization type purifier 2 is hydrogen peroxide solution storage tank.
In this embodiment, the testing electrode set 12 is assembled and fixedly connected to a plastic gasket 11, the plastic gasket 11 is sealed with the upper end of the electrolytic cell 10, and the lower portion of the testing electrode set is placed in the electrolyte solution of the electrolytic cell 10. The sealing structure ensures that the electrolyte solution can enter the electrolytic cell 10 at a certain pressure and does not leak water, and if the sealing structure is not arranged, the electrolyte solution can be sprayed out from the upper part of the electrolytic cell 10 after the equipment is started, so that the operation of the equipment is influenced.
In this embodiment, the electrode assembly 12 is a cathode and an anode, the anode is a titanium anode for chlorine analysis, and the cathode can be made of titanium, stainless steel, etc.
A novel aging life test method of a titanium electrode for chlorine evolution comprises the steps that a pipeline is connected, electrolyte solution in an electrolyte solution storage tank 4 flows out of a water outlet 8 through a magnetic pump 3, reaches an electrolytic tank 10 through a flowmeter 9, is subjected to electrolytic reaction with an electrode group 12 in the electrolytic tank 10 and flows back to the electrolyte solution storage tank 4, and finally the aging life of the titanium electrode for chlorine evolution is tested; after the beginning of electrolysis, the electrolyte solution storage tank 4 will generate sodium hypochlorite continuously, and assuming that the concentration of sodium chloride in the electrolyte solution is unchanged, the content of sodium hypochlorite generated in the same time unit is the same, and the removal of sodium hypochlorite is realized by the following method: pumping the electrolyte solution containing sodium hypochlorite in the electrolyte solution storage tank 4 into a filtering type purification device 18 by using a magnetic pump 3 for filtering, and conveying the filtered electrolyte solution back to the electrolyte solution storage tank 4; the carbon in the purification device can catalyze and decompose sodium hypochlorite into: 2NaClO =2NaCl +O 2 So as to achieve the purposes of removing sodium hypochlorite, obtaining sodium chloride and keeping the electrolyte concentration of the electrolyte solution unchanged.
In this embodiment, referring to fig. 3, the control relationship between the controller 7 and each element is shown in the form of a flow meter a connected to the electrolytic bath 10, and a flow meter B connected to the sodium chloride replenishment liquid 15. A chloride ion monitor 16 arranged in the electrolyte solution storage tank 4 detects the content of chloride ions in the electrolyte solution, the tank body is connected with a high-concentration sodium chloride supplementary liquid 15, if the content of the chloride ions is lower than a standard value, the sodium chloride supplementary liquid 15 can be automatically added into the electrolyte solution to balance the content of the chloride ions in the electrolyte solution, and the supplement flow is controlled by a flowmeter B connected with the sodium chloride supplementary liquid 15.
Example 2
As shown in fig. 2 and 4, in this embodiment, a novel titanium electrode aging life testing device for chlorine evolution, a tank body of an electrolyte solution storage tank 4 is further connected with a sodium hypochlorite removing device, the sodium hypochlorite removing device is a filtering type purifying device 18, and the filtering type purifying device 18 is a porous carbon water purifying device or other water purifying devices capable of performing circulating filtration on electrolyte solution in the tank body. The other structures are the same as those in embodiment 1.
A novel aging life test method of a titanium electrode for chlorine evolution comprises the steps that a pipeline is connected, electrolyte solution in an electrolyte solution storage tank 4 flows out of a water outlet 8 through a magnetic pump 3, reaches an electrolytic tank 10 through a flowmeter 9, is subjected to electrolytic reaction with an electrode group 12 in the electrolytic tank 10 and flows back to the electrolyte solution storage tank 4, and finally the aging life of the titanium electrode for chlorine evolution is tested; after the beginning of electrolysis, the electrolyte solution storage tank 4 will generate sodium hypochlorite continuously, and assuming that the concentration of sodium chloride in the electrolyte solution is unchanged, the content of sodium hypochlorite generated in the same time unit is the same, and the removal of sodium hypochlorite is realized by the following method: a neutralization type purification device 2 is connected outside the electrolyte solution storage tank 4, a hydrogen peroxide solution with fixed concentration is filled in the neutralization type purification device, and the hydrogen peroxide solution is introduced into the electrolyte solution storage tank 4 at a certain speed by using tools such as a peristaltic pump 19 and the like; a chemical reaction H takes place 2 O 2 +NaClO＝NaCl+2H 2 And O, achieving the purposes of removing sodium hypochlorite, obtaining sodium chloride and keeping the electrolyte concentration of the solution unchanged.
In this embodiment, as shown in fig. 4, the control relationship between the controller 7 and each element is represented by a flow meter a in the flow meter 9 connected to the electrolytic bath 10, a flow meter B in the flow meter 9 connected to the sodium chloride replenishment liquid 15, a magnetic pump a in the magnetic pump 3 connected to the filtration type purification apparatus 18, and a magnetic pump B in the magnetic pump 3 connected to the water outlet 8 of the electrolyte solution reservoir 4. A chloride ion monitor 16 arranged in the electrolyte solution storage tank 4 detects the content of chloride ions in the electrolyte solution, the tank body is connected with a high-concentration sodium chloride supplementary solution 15, if the content of the chloride ions is lower than a standard value, the sodium chloride supplementary solution 15 can be automatically added into the electrolyte solution to balance the content of the chloride ions in the electrolyte solution, and the supplement flow is controlled by a flowmeter B connected with the sodium chloride supplementary solution 15.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "one end", "the other end", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the term "connected" and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A novel titanium electrode aging life testing device for chlorine evolution is characterized by comprising an electrolyte solution storage tank, an electrolysis generating device and a magnetic pump, wherein the electrolyte solution storage tank, the electrolysis generating device and the magnetic pump are connected through pipelines; the electrolytic tank is of a hollow structure, and the test electrode group is arranged in electrolyte solution in the electrolytic tank.
2. The novel aging life testing device for the chlorine evolution titanium electrode as claimed in claim 1, wherein the electrolyte solution storage tank, the drain valve and the electrolytic tank are made of corrosion-resistant materials; the magnetic pump is a large-flow anti-corrosion pump.
3. The novel aging life testing device for the chlorine evolution titanium electrode as claimed in claim 1, wherein a cover is provided above the electrolyte solution storage tank for preventing the condensed reflux of the evaporated liquid and impurities from entering the electrolyte solution.
4. The novel aging life testing device for the chlorine evolution titanium electrode as claimed in claim 1, wherein a heater is arranged in the tank body of the electrolyte solution storage tank.
5. The novel testing device for the aging life of the chlorine evolution titanium electrode as claimed in claim 1, wherein a chlorine ion monitor is arranged in the tank body of the electrolyte solution storage tank, and the tank body is further connected with a sodium chloride supplementary solution.
6. The novel titanium electrode aging life testing device for chlorine evolution as claimed in claim 1, characterized in that the tank body is further connected with a sodium hypochlorite removing device, and the sodium hypochlorite removing device is a filtering type purification device or a neutralizing type purification device.
7. The novel aging life testing device for the chlorine evolution titanium electrode as claimed in claim 1, wherein the testing electrode assembly is fixedly connected with a plastic gasket after being assembled, the plastic gasket is sealed with the upper end of the electrolytic cell, and the lower part of the testing electrode assembly is placed in the electrolyte solution of the electrolytic cell.
8. The novel aging life testing device for the chlorine evolution titanium electrode as claimed in claim 1, wherein the electrode group is a cathode and an anode, the anode is a chlorine evolution titanium anode, and the cathode can be made of titanium, stainless steel or other materials.
9. A novel aging life test method for a chlorine evolution titanium electrode is characterized by comprising the following steps: the pipeline is connected, the electrolyte solution in the electrolyte solution storage tank flows out from the water outlet through the magnetic pump, reaches the electrolytic tank through the flowmeter, is subjected to electrolytic reaction with the electrode group in the electrolytic tank, and flows back to the electrolyte solution storage tank, and finally the aging life of the titanium electrode for chlorine evolution is tested; after the beginning of electrolysis, the electrolyte solution storage tank can continuously generate sodium hypochlorite, and the content of the sodium hypochlorite generated in the same time unit is the same under the assumption that the concentration of sodium chloride in the electrolyte solution is unchanged, so that the removal of the sodium hypochlorite is realized by the following two methods:
1) Pumping the electrolyte solution containing sodium hypochlorite in the electrolyte solution reservoir into a filtering type purification device by using a magnetic pump for filtering, and conveying the filtered electrolyte solution back to the electrolyte solution reservoir;
2) The electrolyte solution storage tank is externally connected with a neutralization type purification device which is filled with hydrogen peroxide solution with fixed concentration, and the hydrogen peroxide solution is introduced into the electrolyte solution at a certain speed by using tools such as a peristaltic pump and the likeA liquid storage tank; a chemical reaction H takes place 2 O 2 +NaClO＝NaCl+2H 2 O, the purposes of removing sodium hypochlorite, obtaining sodium chloride and keeping the electrolyte concentration of the solution unchanged are achieved;
and if the content of the chloride ions is lower than a standard value, the sodium chloride supplementary solution can be automatically added into the electrolyte solution to balance the content of the chloride ions in the electrolyte solution, and the supplementary flow is controlled by a flow meter connected with the sodium chloride supplementary solution.
CN202210804688.3A 2022-03-08 2022-07-08 Novel testing device and testing method for aging life of titanium electrode for chlorine evolution Pending CN115327255A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210218921 2022-03-08
CN202210218921X 2022-03-08

Publications (1)

Publication Number Publication Date
CN115327255A true CN115327255A (en) 2022-11-11

Family

ID=83918054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210804688.3A Pending CN115327255A (en) 2022-03-08 2022-07-08 Novel testing device and testing method for aging life of titanium electrode for chlorine evolution

Country Status (1)

Country Link
CN (1) CN115327255A (en)

Similar Documents

Publication Publication Date Title
Amikam et al. Chlorine-free alkaline seawater electrolysis for hydrogen production
KR100351311B1 (en) Electrolyzer producing mixed oxidant gas
CN105408243B (en) Electrolysis enrichment method for heavy water
KR101361651B1 (en) A device using electrolyzer with a bipolar membrane and the method of producing hypochlorite solution and hydrogen gas thereby
CN112714803B (en) Plating solution production and regeneration process and device for insoluble anode acid copper electroplating
JPS5949318B2 (en) Electrolytic production method of alkali metal hypohalite salt
US20130334059A1 (en) Apparatus for electrolyzing sulfuric acid and method for electrolyzing sulfuric acid
CN107630220B (en) Acidic etching liquid regeneration treatment system
US20010022273A1 (en) Electrochemical treatment of water and aqueous salt solutions
CN102021602B (en) Sodium hypochlorite generator
KR20130110359A (en) Seawater electrolytic apparatus
US5112464A (en) Apparatus to control reverse current flow in membrane electrolytic cells
CN115327255A (en) Novel testing device and testing method for aging life of titanium electrode for chlorine evolution
CA1175780A (en) Internal downcomer for electrolytic recirculation
JP6587061B2 (en) Hydrogen water production equipment
JP2002069683A (en) Apparatus for manufacturing hypochlorite
JPS6283485A (en) Diaphragmless direct electrolysis method for fresh water
JPS59203939A (en) Method of detecting structurally damaged film
KR100523982B1 (en) Electrolytic disinfectants generator
CN112301367A (en) Arsine and chlorine combined electrolysis device and arsine and chlorine combined electrolysis method using same
CN215924482U (en) High chlorine wastewater detection processing apparatus
JPH08158086A (en) Salt water electrolytic cell
CN221071666U (en) Electrolytic tank with electrode type conductivity sensor
JP5628834B2 (en) Membrane repair
CN108020744A (en) A kind of electrolytic cell device of titanium-matrix electrode reinforcing life test

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 710000 No. 15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province

Applicant after: Xi'an Taijin Xinneng Technology Co.,Ltd.

Address before: 710000 No. 15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province

Applicant before: XI'AN TAIJIN INDUSTRIAL ELECTROCHEMICAL TECHNOLOGY Co.,Ltd.