CN105585081A - Device for generating hydrogen-rich water through electrolysis - Google Patents
Device for generating hydrogen-rich water through electrolysis Download PDFInfo
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- CN105585081A CN105585081A CN201610124939.8A CN201610124939A CN105585081A CN 105585081 A CN105585081 A CN 105585081A CN 201610124939 A CN201610124939 A CN 201610124939A CN 105585081 A CN105585081 A CN 105585081A
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- 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
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- 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
- C02F1/46109—Electrodes
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- 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
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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- General Chemical & Material Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a device with a titanium-based gold-plated electrode for generating hydrogen-rich water through electrolysis, and belongs to technical field of electrochemistry. The device comprises an electrolytic tank, a negative electrode, a positive electrode and a controllable electrolytic power supply, wherein the negative electrode, the positive electrode and the controllable electrolytic power supply are put in the electrolytic tank. The negative pole and the positive pole of the controllable electrolytic power supply are connected with the negative electrode and the positive electrode through wires respectively; a stainless steel electrode is adopted as the negative electrode, and the titanium-based gold electrode is adopted as the positive electrode. Compared with an existing DSA positive electrode composed of Ir, Ru, Ti and oxides thereof, by means of the titanium-based gold-plated positive electrode, the quantity of residual chlorine generated in the electrolytic process is significantly decreased.
Description
Technical field
The present invention relates to technical field of electrochemistry, particularly a kind of brine electrolysis container.
Background technology
The rich hydrogen water of electrolysis refers to that be hydrogen and oxygen by the mode of electrolysis water electrolysis, and institute producesHydrogen and oxygen being dissolved in water to a certain degree, and common drinking water is not hydrogeneous. LogicalCross the drinking water that is rich in hydrogen that this mode obtains and be commonly referred to rich hydrogen water. Rich hydrogen water hasUnique selective anti-oxidation function more and more receives people's concern aspect health care. At electricityXie Shui field, especially drinks brine electrolysis field, to the water quality requirement after electrolysis and general workIndustry brine electrolysis field difference, wherein the more important is the contents of residual chlorine of water after electrolysis. Chlorine residue can(compound that refers to chlorine and ammonia in water, has NH to be divided into combined residual chlorine2Cl、NHCl2And NHCl3Three kinds, with NHCl2More stable, bactericidal effect is good), be again combinative residual chlorine; More than free propertyChlorine refers to ClO-, HClO, the Cl in water2Deng, sterilization speed is fast, and sterilizing power is strong, but it is fast to disappear),Cry again freedom chlorine residue; Total residual chlorine is combined residual chlorine and free residual chlorine sum. Chlorine residue is dissolvedIn water, especially chlorine can produce with organic detritus in water the carcinogenic substances such as chloroform after being heatedMatter, is detrimental to health. Drinking brine electrolysis neck so how to reduce contents of residual chlorine in brine electrolysisTerritory is very meaningful.
In brine electrolysis field, the content of chlorine residue and the material of electrode are closely related. Current electrolysis waterMarket, the material of the material of electrode, especially anode, mainly by the insoluble coated anode of titanium base,Claim again dimensional stability anode (DimensionallyStableAnode is called for short DSA), this isOne class has the very new electrode materials of extensive use, is by Ir, Ru, Ti ternary metal oxygenTitanium anode prepared by compound coating. The cost that this class electrode has electrode is low, catalytic activity strong andThe advantages such as the high and low energy consumption of stability, are widely used in chlor-alkali, the fields such as plating. And it is thisElectrode is owing to having lower chlorine overpotential and the higher overpotential for oxygen evolution of analysing, in brine electrolysis processIn, in water, residual chlorion is easy to be electrolyzed to produce chlorine, remains in and drinks with chlorine residue formIn water, cause the brine electrolysis that this kind is rich in chlorine residue to be not suitable for directly drinking.
Summary of the invention
Issue to be resolved of the present invention is, utilizes the electrochemical properties of electrode material, provides a kind ofThe rich hydrogen water generating device of electrolysis of low chlorine residue.
This device comprises electrolytic cell, and is placed on anodic-cathodic and controllable electrolysis in electrolytic cellPower supply. Described negative electrode is stainless steel electrode, and described anode is titanium base gold-plated electrode. Described controlledNegative pole, the positive pole of electrolysis power are connected by wire with described anodic-cathodic respectively.
Current electrolysis water industry is generally carried out brine electrolysis with DSA anode, described DSA anode masterBe made up of Ir, Ru, tri-kinds of metals of Ti and oxide thereof, this anode is to follow chlor-alkali workIndustry develops, and has lower chlorine overpotential and the higher overpotential for oxygen evolution of analysing, and analyses oxygen and analyses chlorineThe characteristic that potential difference is high, object is that anode can morely be separated out the same of chlorine in the time that electrolysis contains solutions of chlorineTime and less precipitated oxygen. Follow the development of chlorine industry, this DSA anode is also by a large numberUse so far. But as drinking brine electrolysis industry, consider the harm of chlorine residue, we wishWhen drinking water that electrolysis contains chlorine, anode can lessly be separated out chlorine and more precipitated oxygen. Obviously,The characteristic of the DSA anode being made up of Ir, Ru, Ti and oxide thereof can not fine satisfied drinkWith the requirement of brine electrolysis. I also have higher chlorine evolution potential from utilizing just, analyse oxygen and analyse chlorineThe anode characteristic that potential difference is low can lessly be separated out chlorine and the technology reasoning of more precipitated oxygen,Find by experiment better electrode.
Beneficial effect: through repeatedly testing the characteristic of Different electrodes, the applicant finds the plating of titanium baseThe DSA anode that gold anode forms than existing Ir, Ru, Ti and oxide thereof is in electrolytic processThe residual chlorine amount producing has remarkable minimizing. Its principle is, RuO2To analyse chlorine overpotential low, and Au (gold)To analyse chlorine overpotential high, the chlorine that Au produces in electrolytic process than by Ir, Ru, Ti andThe chlorine that the DSA anode that its oxide forms produces is low. IrO2Overpotential for oxygen evolution high, canSo that the O2 that DSA anode produces reduces, reduce the oxidized risk of DSA anode, increaseThe service life of DSA anode. And Au belongs to inertia noble metal, can be as titanium base plating ruthenium anodeEasy oxidized corrosion like that, so do not need to add the IrO of high oxygen separated overpotential2Carry out anticorrosion.Visible, the gold-plated anode of titanium base has Ir, Ru, Ti and oxidation thereof aspect the generation of minimizing chlorineThe incomparable advantage of DSA anode of thing composition.
The electrochemical reaction of the gold-plated anode of titanium base is
4OH--4e＝2H2O+O2
2Cl--2e＝Cl2
The electrochemical reaction of stainless steel cathode is
2H++2e＝H2
Brief description of the drawings
Fig. 1 is the structure chart of brine electrolysis container one embodiment of the present invention;
Description of reference numerals:
1-electrolytic cell, 2-negative electrode, 3-positive electrode, the 4-the first wire, the 5-the second wire, 6-controllable electrolysis power supply
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction withDrawings and Examples, are further elaborated to the present invention. Should be appreciated that this place retouchesThe specific embodiment of stating only, in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises electrolytic cell 1, is placed on the negative electrode in electrolytic cell 12, positive electrode 3, negative electricity is stainless steel flat plate electrode very, and positive electricity is the gold-plated dull and stereotyped electricity of titanium base veryThe utmost point; Negative electrode 2 and positive electrode 3 are connected to by the first wire 4 and the second wire 5 respectively canThe negative pole of control electrolysis power 6, with anodal, adds the Nanjing of chloride ion-containing in electrolytic cell 1Running water 200ml, Faradaic current is 100mA, polar plate spacing d=1mm, negative electrode 2 withThe response area of positive electrode 3 is than being 1:1; Allow electrolysis unit start working, and record dependency numberAccording in table 1.
The PH that the present embodiment uses and chlorine residue tester are respectively: Shanghai San Xin instrucment and meter plantPHB-3PH tester and the SYL-1B chlorine residue tester of Shanghai Xin Rui instrucment and meter plant. Institute makesWith H2 tester be ENH-1000.
Table 1
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.52 | 0 |
| 3 minutes | 7.4 | 0.76 | 290 |
| 6 minutes | 7.2 | 0.95 | 565 |
By anode by titanium base gold-plated electrode be replaced by homalographic by Ir, Ru, Ti and oxidation thereofThe DSA anode that thing forms, other experiment conditions are constant, allow electrolysis unit start working, andRecord related data in table 2.
Table 2
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.52 | 0 |
| 3 minutes | 7.3 | 1.21 | 255 |
| 6 minutes | 7.1 | 2.53 | 520 |
Above contrast experiment shows, the gold-plated anode of titanium base is than existing Ir, Ru, Ti and oxidation thereofThe residual chlorine amount that the DSA anode of thing composition produces in electrolytic process has remarkable minimizing. Use titaniumRich hydrogen water ratio traditional Ir, Ru, Ti are drunk in the low chlorine residue that the gold-plated anode electrolysis of base is producedAnd the high chlorine residue of producing of the DSA anode electrolysis of oxide composition is drunk rich hydrogen water and is more suitable forDrink.
Embodiment 2
As shown in Figure 1, the present embodiment comprises electrolytic cell 1, is placed on the negative electrode in electrolytic cell 12, positive electrode 3, negative electricity is stainless steel flat plate electrode very, and positive electricity is the gold-plated dull and stereotyped electricity of titanium base veryThe utmost point; Negative electrode 2 and positive electrode 3 are connected to by the first wire 4 and the second wire 5 respectively canThe negative pole of control electrolysis power 6, with anodal, adds the Nanjing of chloride ion-containing in electrolytic cell 1Running water 200ml, Faradaic current is 100mA, polar plate spacing d=10mm, negative electrode 2 withThe response area of positive electrode 3 is than being 1:1; Allow electrolysis unit start working, and record dependency numberAccording in table 3.
The PH that the present embodiment uses and chlorine residue tester are respectively: Shanghai San Xin instrucment and meter plantPHB-3PH tester and the SYL-1B chlorine residue tester of Shanghai Xin Rui instrucment and meter plant. Institute makesWith H2 tester be ENH-1000.
Table 3
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.52 | 0 |
| 3 minutes | 7.3 | 0.84 | 273 |
| 6 minutes | 7.0 | 1.26 | 535 |
By anode by titanium base gold-plated electrode be replaced by homalographic by Ir, Ru, Ti and oxidation thereofThe DSA anode that thing forms, other experiment conditions are constant, allow electrolysis unit start working, andRecord related data in table 4.
Table 4
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.52 | 0 |
| 3 minutes | 7.2 | 1.95 | 255 |
| 6 minutes | 7.0 | 2.82 | 582 |
Above contrast experiment shows, the gold-plated anode of titanium base is than existing Ir, Ru, Ti and oxidation thereofThe residual chlorine amount that the DSA anode of thing composition produces in electrolytic process has remarkable minimizing. Use titanium baseThe low chlorine residue that gold-plated anode electrolysis is produced drink rich hydrogen water than with traditional Ir, Ru, Ti andThe high chlorine residue that the DSA anode electrolysis of its oxide composition is produced is drunk rich hydrogen water and is more suitable for drinkWith.
Embodiment 3
As shown in Figure 1, the present embodiment comprise electrolytic cell 1, be placed on negative electrode 2 in electrolytic cell 1,Positive electrode 3, negative electricity is stainless steel flat plate electrode very, and positive electricity is the gold-plated plate electrode of titanium base very;Negative electrode 2 and positive electrode 3 are connected to controllable electric by the first wire 4 and the second wire 5 respectivelySeparate the negative pole of power supply 6 with anodal, in electrolytic cell 1, add the mineral water 200ml of Chef Kang,Faradaic current is 100mA, polar plate spacing d=1mm, and negative electrode 2 is reacted with positive electrode 3Area Ratio is 1:1; Allow electrolysis unit start working, and record related data in table 5.
The PH that the present embodiment uses and chlorine residue tester are respectively: Shanghai San Xin instrucment and meter plantPHB-3PH tester and the SYL-1B chlorine residue tester of Shanghai Xin Rui instrucment and meter plant. Institute makesWith H2 tester be ENH-1000.
Table 5
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.08 | 0 |
| 3 minutes | 7.4 | 0.22 | 273 |
| 6 minutes | 7.3 | 0.45 | 548 |
By anode by titanium base gold-plated electrode be replaced by homalographic by Ir, Ru, Ti and oxidation thereofThe DSA anode that thing forms, other experiment conditions are constant, allow electrolysis unit start working, andRecord related data in table 6.
Table 6
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.08 | 0 |
| 3 minutes | 7.4 | 0.51 | 256 |
| 6 minutes | 7.3 | 0.94 | 518 |
Above contrast experiment shows, the gold-plated anode of titanium base is than existing Ir, Ru, Ti and oxidation thereofThe residual chlorine amount that the DSA anode of thing composition produces in electrolytic process has remarkable minimizing. Use titaniumRich hydrogen water ratio traditional Ir, Ru, Ti are drunk in the low chlorine residue that the gold-plated anode electrolysis of base is producedAnd the high chlorine residue of producing of the DSA anode electrolysis of oxide composition is drunk rich hydrogen water and is more suitable forDrink.
Embodiment 4
As shown in Figure 1, the present embodiment comprises electrolytic cell 1, is placed on the negative electrode in electrolytic cell 12, positive electrode 3, negative electricity is stainless steel flat plate electrode very, and positive electricity is the gold-plated dull and stereotyped electricity of titanium base veryThe utmost point; Negative electrode 2 and positive electrode 3 are connected to by the first wire 4 and the second wire 5 respectively canThe negative pole of control electrolysis power 6, with anodal, adds Chef Kang's mineral water in electrolytic cell 1200ml, Faradaic current is 100mA, polar plate spacing d=10mm, negative electrode 2 and positive electrode3 response area is than being 1:1; Allow electrolysis unit start working, and record related data in table 7.
The PH that the present embodiment uses and chlorine residue tester are respectively: Shanghai San Xin instrucment and meter plantPHB-3PH tester and the SYL-1B chlorine residue tester of Shanghai Xin Rui instrucment and meter plant. Institute makesWith H2 tester be ENH-1000.
Table 7
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.08 | 0 |
| 3 minutes | 7.4 | 0.25 | 270 |
| 6 minutes | 7.3 | 0.52 | 605 |
By anode by titanium base gold-plated electrode be replaced by homalographic by Ir, Ru, Ti and oxidation thereofThe DSA anode that thing forms, other experiment conditions are constant, allow electrolysis unit start working, andRecord related data in table 8.
Table 8
| Electrolysis time | PH | Chlorine residue | H2Content |
| 0 minute | 7.5 | 0.08 | 0 |
| 3 minutes | 7.4 | 0.51 | 236 |
| 6 minutes | 7.3 | 1.05 | 587 |
Above contrast experiment shows, the gold-plated anode of titanium base is than existing Ir, Ru, Ti and oxidation thereofThe residual chlorine amount that the DSA anode of thing composition produces in electrolytic process has remarkable minimizing. Use titaniumRich hydrogen water ratio traditional Ir, Ru, Ti are drunk in the low chlorine residue that the gold-plated anode electrolysis of base is producedAnd the high chlorine residue of producing of the DSA anode electrolysis of oxide composition is drunk rich hydrogen water and is more suitable forDrink.
Claims (4)
1. the rich hydrogen water generating device of electrolysis, this device comprises electrolytic cell, and is placed on electrolysisAnodic-cathodic in groove and controllable electrolysis power supply, the negative pole of described controllable electrolysis power supply, anodal dividingBe not connected by wire with described anodic-cathodic, it is characterized in that: described negative electrode is stainless steel electricityThe utmost point, described anode is titanium base gold-plated electrode.
2. the rich hydrogen water generating device of electrolysis according to claim 1, is characterized in that: described inDistance range between positive electrode and described negative electrode is 0～10mm.
3. the rich hydrogen water generating device of electrolysis according to claim 1, is characterized in that: described inElectrolysis power is dc source or direct current pulse power source.
4. the rich hydrogen water generating device of electrolysis according to claim 1, is characterized in that: forThe water of electrolysis is running water and mineral water.
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| CN201610124939.8A CN105585081A (en) | 2016-03-04 | 2016-03-04 | Device for generating hydrogen-rich water through electrolysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751356A (en) * | 2018-06-04 | 2018-11-06 | 沈阳瑞丰农业技术开发有限公司 | A kind of highest absolute value negative potential aqueous solution manufacturing method |
| CN112255288A (en) * | 2020-10-09 | 2021-01-22 | 泉州师范学院 | DSA anode electrochemical performance testing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519779A (en) * | 2008-02-27 | 2009-09-02 | 株式会社神户制钢所 | Surface treatment method of titanium material for electrode |
| CN104047018A (en) * | 2014-06-20 | 2014-09-17 | 深圳市好美水科技开发有限公司 | Hydrogen-rich electrolysis method |
| US20150060287A1 (en) * | 2013-09-04 | 2015-03-05 | Mark Sherman | Fluid Conditioning & Ionizing System |
-
2016
- 2016-03-04 CN CN201610124939.8A patent/CN105585081A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519779A (en) * | 2008-02-27 | 2009-09-02 | 株式会社神户制钢所 | Surface treatment method of titanium material for electrode |
| US20150060287A1 (en) * | 2013-09-04 | 2015-03-05 | Mark Sherman | Fluid Conditioning & Ionizing System |
| CN104047018A (en) * | 2014-06-20 | 2014-09-17 | 深圳市好美水科技开发有限公司 | Hydrogen-rich electrolysis method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751356A (en) * | 2018-06-04 | 2018-11-06 | 沈阳瑞丰农业技术开发有限公司 | A kind of highest absolute value negative potential aqueous solution manufacturing method |
| CN112255288A (en) * | 2020-10-09 | 2021-01-22 | 泉州师范学院 | DSA anode electrochemical performance testing device |
| CN112255288B (en) * | 2020-10-09 | 2022-08-12 | 泉州师范学院 | DSA anode electrochemical performance testing device |
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