CN112010403A - Method for preparing acidic water by electrolysis method and special electrolytic tank - Google Patents
Method for preparing acidic water by electrolysis method and special electrolytic tank Download PDFInfo
- Publication number
- CN112010403A CN112010403A CN202011017101.1A CN202011017101A CN112010403A CN 112010403 A CN112010403 A CN 112010403A CN 202011017101 A CN202011017101 A CN 202011017101A CN 112010403 A CN112010403 A CN 112010403A
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- Prior art keywords
- water
- cathode
- anode
- electrolytic
- chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002378 acidificating effect Effects 0.000 title claims abstract description 19
- 238000005868 electrolysis reaction Methods 0.000 title claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 239000003792 electrolyte Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 239000008213 purified water Substances 0.000 claims description 10
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 abstract description 12
- 210000005056 cell body Anatomy 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 229910021645 metal ion Inorganic materials 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/46185—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only anodic or acidic water, e.g. for oxidizing or sterilizing
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a method for preparing acidic water by an electrolytic method and a special electrolytic tank. The method is characterized in that a chloride aqueous solution is placed in a closed cathode chamber of an electrolytic cell, and chloride ions in the electrolyzed chloride enter the anode chamber through an ionic membrane to contact with water in the anode chamber to react to generate acidic water containing the chloride ions. The electrolytic cell is provided with an electrically insulated electrolytic cell body, an anode electrode, an ionic membrane and a cathode electrode are sequentially packaged at the upper part of the electrolytic cell body from top to bottom, and the electrolytic cell body is divided into an anode chamber at the upper part and a cathode chamber with the lower part closed by the ionic membrane; the cathode chamber is also provided with an electrolyte inlet and an electrolyte outlet for introducing circulating electrolyte, and the bottom of the cathode chamber is also provided with a waste liquid outlet; the anode electrode and the cathode electrode are respectively connected with the connecting terminal. The acid water produced by the method has no metal ions and cathode impurities, and has high purity and no pollution. The provided electrolytic cell has simple structure, good electrolytic effect and clean separation of cathode and anode water.
Description
Technical Field
The invention belongs to the technical field of electrolysis, and particularly relates to a method for preparing acidic water by an electrolysis method and a special electrolytic tank.
Background
The traditional method for preparing the disinfectant fluid adopts a method of directly electrolyzing saline water, so that the generated hypochlorous acid water contains a large amount of non-electrolyzed saline water and precipitated sodium ions, the purity of the disinfectant fluid is not enough, and the sterilization effect is influenced; for some special applications sodium ions may contaminate. Meanwhile, the electrolytic cell is easy to scale and troublesome to clean, and cathode water is wasted seriously in the production process.
Disclosure of Invention
The invention aims to provide a method for preparing acidic water by an electrolytic method and a special electrolytic tank.
The technical solution of the invention is as follows: a method for preparing acidic water by an electrolytic method is to put chloride aqueous solution into a closed cathode chamber of an electrolytic cell, chloride ions in the electrolyzed chloride enter an anode chamber through an ionic membrane to contact and react with the water in the anode chamber to generate the acidic water containing the chloride ions.
Specifically, chloride aqueous solution which circularly flows is led into a cathode chamber of an electrolytic cell with an ionic membrane, and common water or purified water or common water or purified water which is contacted with the common water or the purified water is filled in an anode chamber at the other side of the ionic membrane; d, supplying direct current to the two electrodes, wherein the decomposed chloride ions reach the anode chamber through the ionic membrane to be combined with water to generate acidified water containing chloride ions; the positive ions in the decomposed chloride aqueous solution are left in the cathode chamber and are discharged.
The electrolytic cell for manufacturing the acidic water for realizing the method is provided with an electrically insulated electrolytic cell body, wherein an anode electrode, an ionic membrane and a cathode electrode are sequentially packaged at the upper part of the electrolytic cell body from top to bottom, and the electrolytic cell body is divided into an anode chamber at the upper part and a cathode chamber at the lower part which is closed by the ionic membrane; the cathode chamber is also provided with an electrolyte inlet and an electrolyte outlet for introducing circulating electrolyte, and the bottom of the cathode chamber is also provided with a waste liquid outlet; the anode electrode and the cathode electrode are respectively connected with the connecting terminal.
Furthermore, a separator for maintaining the polar distance is arranged between the anode electrode and the cathode electrode.
Preferably, the separator is located below the ionic membrane.
The invention divides the ion membrane into two electrolytic chambers, the chloride water solution is led into the cathode chamber of the electrolytic tank with the ion membrane, the anode chamber at the other side of the ion membrane is filled with common water or purified water or contacts the common water or the purified water, the two electrolytic chambers are separated, the generated acid water has no metal ions and cathode impurities, and the purity is high and no pollution is caused. And the structure is simple, the electrolysis effect is good, and the cathode and the anode are separated from water completely.
Drawings
FIG. 1 is a schematic view of the structure of an electrolytic cell of the present invention;
FIG. 2 is a schematic plan view of the electrolytic cell.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
A method for preparing acidic water by an electrolytic method is characterized in that a chloride aqueous solution is placed in a closed cathode chamber of an electrolytic cell, and electrolyzed chloride ions enter an anode chamber through an ionic membrane to contact with water in the anode chamber to react to generate the acidic water containing the chloride ions.
Specifically, chloride aqueous solution which circularly flows is led into a cathode chamber of an electrolytic cell with an ionic membrane, and common water or purified water is contained in or contacted with the other anode side of the ionic membrane; d, supplying direct current to the two electrodes, wherein the decomposed chloride ions reach the anode chamber through the ionic membrane to be combined with water to generate acidified water containing chloride ions; the positive ions in the decomposed chloride aqueous solution are left in the cathode chamber and are discharged.
As shown in figures 1, 2 and 3, the special electrolytic tank for preparing acidic water by an electrolytic method comprises an electrically insulated electrolytic tank body 6, wherein an anode electrode 2, an ionic membrane 3 and a cathode electrode 4 are sequentially packaged on the upper part of the electrolytic tank body 6 from top to bottom, and the electrolytic tank body 6 is divided into an anode chamber on the upper part and a cathode chamber on the lower part by the ionic membrane 3; an electrolyte inlet 7 and an electrolyte outlet 8 are also arranged in the cathode chamber for introducing circulating electrolyte, and a waste liquid outlet 9 is also arranged at the bottom of the cathode chamber; the anode electrode 2 and the cathode electrode 4 are respectively connected with a connecting terminal 5. And a separator 1 for maintaining the polar distance is arranged between the anode electrode 2 and the cathode electrode 4. And the separator 1 is located below the ionic membrane 3.
The electrically insulated electrolytic tank body 6 is composed of an electrolytic tank plastic framework (shell), the anode electrode 2 is a titanium alloy anode, and the cathode electrode 4 is a titanium alloy cathode.
When the device works, saline (chloride) which flows circularly is introduced into the cathode chamber, the cathode chamber is placed into a container for containing water, the two electrodes are electrified, and chloride ions on the cathode reach the anode chamber through the ionic membrane to be combined with the water in the anode chamber to form acidic water.
Or the brine (chloride) can be placed in the cathode chamber of the electrolytic cell with the ionic membrane, and the other anode side of the ionic membrane is filled with common water or purified water or is contacted with common water or purified water; the two electrodes are electrified with direct current, the decomposed chloride ions reach the anode chamber through the ionic membrane to be combined with water to generate acidified water containing chloride ions, the acidified water has a sterilization function, and sodium ions (positive ions) in the decomposed brine (chloride) are left on the cathode side to be discharged.
Claims (5)
1. A process for preparing acidic water by electrolysis features that the aqueous solution of chloride is put in the sealed cathode chamber of electrolyzer, and the electrolyzed chloride ions pass through ionic membrane and then enter anode chamber to contact with the water in it for reaction to generate acidic water containing chloride ions.
2. The electrolytic process for producing acidic water according to claim 1, wherein the chloride aqueous solution circulating is introduced into a cathode chamber of an electrolytic cell having an ionic membrane, and normal water or purified water is contained in the other anode side of the ionic membrane or is contacted with the normal water or the purified water; d, supplying direct current to the two electrodes, wherein the decomposed chloride ions reach the anode chamber through the ionic membrane to be combined with water to generate acidified water containing chloride ions; the positive ions in the decomposed chloride aqueous solution are left in the cathode chamber and are discharged.
3. A special electrolytic tank for manufacturing acidic water by an electrolytic method is provided with an electrically insulated electrolytic tank body (6), and is characterized in that an anode electrode (2), an ionic membrane (3) and a cathode electrode (4) are sequentially packaged at the upper part of the electrolytic tank body (6) from top to bottom, and the electrolytic tank body (6) is divided into an anode chamber at the upper part and a cathode chamber at the lower part which is closed by the ionic membrane (3); an electrolyte inlet (7) and an electrolyte outlet (8) are also formed in the cathode chamber for introducing circulating electrolyte, and a waste liquid outlet (9) is also formed in the bottom of the cathode chamber; the anode electrode (2) and the cathode electrode (4) are respectively connected with a wiring terminal (5).
4. The special electrolytic tank for manufacturing acidic water by the electrolytic method according to claim 3, characterized in that a separator (1) for maintaining the polar distance is arranged between the anode electrode (2) and the cathode electrode (4).
5. The special electrolytic cell for the production of acidic water by electrolysis according to claim 4, characterized in that said separator (1) is located below the ionic membrane (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017101.1A CN112010403A (en) | 2020-09-24 | 2020-09-24 | Method for preparing acidic water by electrolysis method and special electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017101.1A CN112010403A (en) | 2020-09-24 | 2020-09-24 | Method for preparing acidic water by electrolysis method and special electrolytic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112010403A true CN112010403A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011017101.1A Pending CN112010403A (en) | 2020-09-24 | 2020-09-24 | Method for preparing acidic water by electrolysis method and special electrolytic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112010403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149145A (en) * | 2021-04-07 | 2021-07-23 | 湖南满缘红水科技有限公司 | Electrolytic cell, device and method for preparing metal ion-free EOW |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07155765A (en) * | 1993-12-03 | 1995-06-20 | Hoshizaki Electric Co Ltd | Production of electrolyzed water and device therefor |
| JPH08168762A (en) * | 1994-12-20 | 1996-07-02 | Nec Corp | Electrolytic ionized water producing device and method therefor |
| CN1810668A (en) * | 2005-01-28 | 2006-08-02 | 博尔斯达机电技术（北京）有限公司 | Production process hydroxyl radical negative ion water |
| KR100883894B1 (en) * | 2008-02-12 | 2009-02-17 | 한국코스믹라운드(주) | Apparatus for manufacturing of weak-acidic hypochlorous acid water and manufacturing method of weak-acidic hypochlorous acid water |
| CN203333777U (en) * | 2013-06-27 | 2013-12-11 | 陈维军 | Electrolytic tank for modularized electrolytic method-based chlorine dioxide generator |
| CN103754992A (en) * | 2013-11-12 | 2014-04-30 | 广州久道家用电器有限公司 | Novel electrolytic cell for separating out alkaline water with low residual chloride |
| CN103781731A (en) * | 2011-09-08 | 2014-05-07 | 阿库亚爱克斯公司 | Electrolysis system and electrolysis method for the same |
| CN105813984A (en) * | 2013-12-09 | 2016-07-27 | 铁克股份有限公司 | Method for producing oxidized water for sterilization use without adding electrolyte |
| CN212374964U (en) * | 2020-09-24 | 2021-01-19 | 刘新志 | Special electrolytic tank for preparing acidic water by electrolytic method |
-
2020
- 2020-09-24 CN CN202011017101.1A patent/CN112010403A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| JPH07155765A (en) * | 1993-12-03 | 1995-06-20 | Hoshizaki Electric Co Ltd | Production of electrolyzed water and device therefor |
| JPH08168762A (en) * | 1994-12-20 | 1996-07-02 | Nec Corp | Electrolytic ionized water producing device and method therefor |
| CN1810668A (en) * | 2005-01-28 | 2006-08-02 | 博尔斯达机电技术（北京）有限公司 | Production process hydroxyl radical negative ion water |
| KR100883894B1 (en) * | 2008-02-12 | 2009-02-17 | 한국코스믹라운드(주) | Apparatus for manufacturing of weak-acidic hypochlorous acid water and manufacturing method of weak-acidic hypochlorous acid water |
| CN103781731A (en) * | 2011-09-08 | 2014-05-07 | 阿库亚爱克斯公司 | Electrolysis system and electrolysis method for the same |
| CN203333777U (en) * | 2013-06-27 | 2013-12-11 | 陈维军 | Electrolytic tank for modularized electrolytic method-based chlorine dioxide generator |
| CN103754992A (en) * | 2013-11-12 | 2014-04-30 | 广州久道家用电器有限公司 | Novel electrolytic cell for separating out alkaline water with low residual chloride |
| CN105813984A (en) * | 2013-12-09 | 2016-07-27 | 铁克股份有限公司 | Method for producing oxidized water for sterilization use without adding electrolyte |
| CN212374964U (en) * | 2020-09-24 | 2021-01-19 | 刘新志 | Special electrolytic tank for preparing acidic water by electrolytic method |
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| 方度等 主编: "《氯碱工艺学》", 31 July 1990, 化学工业出版社, pages: 236 - 237 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149145A (en) * | 2021-04-07 | 2021-07-23 | 湖南满缘红水科技有限公司 | Electrolytic cell, device and method for preparing metal ion-free EOW |
| WO2022213694A1 (en) * | 2021-04-07 | 2022-10-13 | 湖南满缘红水科技有限公司 | Electrolytic tank, device and method for preparing metal ion-free eow |
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