CN101643913B - Embedded electrochemical device - Google Patents
Embedded electrochemical device Download PDFInfo
- Publication number
- CN101643913B CN101643913B CN200910165500XA CN200910165500A CN101643913B CN 101643913 B CN101643913 B CN 101643913B CN 200910165500X A CN200910165500X A CN 200910165500XA CN 200910165500 A CN200910165500 A CN 200910165500A CN 101643913 B CN101643913 B CN 101643913B
- Authority
- CN
- China
- Prior art keywords
- gas reaction
- catalytic gas
- reaction electrode
- housing
- electrolyzer
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
An embedded electrochemical device comprises a catalytic gas reaction electrode and an embedded electrolytic cell comprising the catalytic gas reaction electrode. The catalytic gas reaction electrode comprises a sponge nickel layer, a current-conducting plate, a gas diffusion layer and a housing, wherein the sponge nickel layer is coated and permeated with catalytic gas reaction materials; the gas diffusion layer is in sealing connecting with an opening side of the housing; the sponge nickel layer is fixed at the outside of a carbon cloth gas diffusion layer; the housing is provided with a gas outlet and a gas outlet. The embedded electrolytic cell comprising the catalytic gas reaction electrode comprises a proton exchange membrane, an inlet of anode region, an inert metal titanium substrate electrode, an outlet of anode region, a power source, an outlet of cathode region, a catalytic gas reaction electrode, an outlet pipe of catalytic gas reaction electrode, an inlet pipe of catalytic gas reaction electrode, an inlet of cathode region and an electrolytic cell housing. The invention does not use chemical reagent, can greatly reduce the production of waste water and have low energyconsumption and cost.
Description
[technical field]
The present invention relates to electrochemical appliance, particularly relate to a kind of embedded electrochemical device that is used for the textile industry bleaching process.
[background technology]
In traditional bleaching process of textile industry, in mercerising groove or ablution groove, to add oxygenant usually and bleach, typical SYNTHETIC OPTICAL WHITNER comprises hypochlorite, hydrogen peroxide, perborate, superphosphate etc., also uses ozone sometimes.The tradition bleaching process can produce a large amount of waste water, needs a large amount of SYNTHETIC OPTICAL WHITNER simultaneously, and pollution problem is very outstanding, even surpasses mercerization.Tradition mercerising and bleaching process are because water and chemical consumption are big, and the cost for wastewater treatment height causes the increase of enterprise cost.
Electrochemical process is because of need not to add too much chemical agent, and can reach the purpose of automatic control easily, can provide a dried Net, low cost, the process of lower power intake.Electrochemical method can be used for ecological mercerising bleaching process, because this process treatment process can not produce extra alkali and oxygenant, can significantly reduce the consumption of waste water generation and chemical reagent.
[summary of the invention]
The present invention is intended to solve the problem in traditional bleaching process, and a kind of no chemical reagent is provided, and can significantly reduce waste water and produce the embedded electrochemical device that energy expenditure and cost are low.
For achieving the above object, the invention provides a kind of embedded electrochemical device, this device comprises the catalytic gas reaction electrode and contains the embedded electrolyzer of described catalytic gas reaction electrode.
Described catalytic gas reaction electrode comprises sponge nickel dam, conducting plates, gas diffusion layers and housing, wherein, in described sponge nickel dam coating and infiltration the catalytic gas reaction material is arranged, described gas diffusion layers is sealedly attached to the open side of housing, the sponge nickel dam then is fixed in the carbon cloth gas diffusion layers outside, and described housing is provided with pneumatic outlet and gas inlet.
The thickness of sponge nickel dam is 1.3～2.0mm, and area density is 300～600g/m
2, hole count is 80～110PPI.
Conducting plates is made by metallic conduction.
Gas diffusion layers is made by carbon cloth.
The catalytic gas reaction material be by high conductive carbon powder, catalysis material and tackiness agent by 8～10: 0.5～2: 5～10 weight ratio mixes.
The catalysis material is a nickel ferro-cobalt class complex compound, and tackiness agent is a fluorine carbon thing tackiness agent.
The embedded electrolyzer that contains described catalytic gas reaction electrode comprises proton exchange membrane, positive column inlet, inert metal titanium basal electrode, positive column outlet, power supply, cathodic area outlet, catalytic gas reaction electrode, catalytic gas reaction electrode gas outlet pipe, catalytic gas reaction electrode gas inlet tube, cathodic area inlet, electrolyzer housing, wherein, proton exchange membrane vertically is sealedly attached to electrolyzer housing central authorities, the electrolyzer enclosure interior is separated into positive column and cathodic area, and stretch out outside the electrolyzer housing at the two ends up and down of proton exchange membrane; On the intravital sidewall of electrolyzer shell of positive column, inert metal titanium basal electrode is housed; In the electrolyzer housing in cathodic area, the catalytic gas reaction electrode is housed; Described catalytic gas reaction electrode links to each other with the negative pole of power supply, and described inert metal titanium basal electrode links to each other with the positive pole of power supply; On the electrolyzer housing of positive column, be provided with positive column inlet, positive column outlet, on the electrolyzer housing in cathodic area, be provided with cathodic area inlet and cathodic area outlet; Catalytic gas reaction electrode gas outlet pipe, catalytic gas reaction electrode gas inlet tube are arranged on the housing of catalytic gas reaction electrode, and draw the electrolyzer housing, and catalytic gas reaction electrode gas outlet pipe seals with the electrolyzer housing mutually with catalytic gas reaction electrode gas inlet tube.
Inert metal titanium basal electrode is by a kind of the making in titanium base platinum, ruthenium alloy oxide compound titanium-base material or the net material.
Contribution of the present invention is that the catalytic gas reaction electrode unit that it provided can produce sodium hydroxide by negative electrode expeditiously and be used for mercerization.Also may produce hydrogen peroxide in the process and produce the bleaching process that hypochlorous acid is made superposition, therefore can make full use of the purpose that electric energy reaches the mercerising bleaching for pre-bleaching and at anode.The embedded electrolyzer that contains electrocatalysis gas reaction electrode of the present invention has high reaction efficiency and is easy to be applied in the actual process, and has the advantage of high-efficiency and low-cost.
[description of drawings]
Fig. 1 is a catalytic gas reaction electrode structure synoptic diagram of the present invention.
Fig. 2 is the embedded electrolyser construction synoptic diagram that contains the catalytic gas reaction electrode of the present invention.
Fig. 3 is the application example synoptic diagram that the present invention is used for bleaching process.
[embodiment]
Embodiment 1
Consult Fig. 1, in this example, selecting thickness for use is 1.6mm, and area density is 450g/m
2Hole count is the sponge nickel material of 80-110PPI, high conductive carbon powder, catalysis material and tackiness agent are mixed into the catalytic gas reaction material by 9: 1: 7 weight ratio, wherein, in this example, high conductive carbon powder is Cabot VulanXC-72R, and the catalysis material is a nickel ferro-cobalt class complex compound, tackiness agent is a fluorine carbon thing, selects the PTFE30-J of E.I.Du Pont Company product for use.With mixed catalytic gas reaction material be coated on the sponge nickel material, should make monoblock sponge nickel material fully permeate the catalytic gas reaction material, on 120 ℃ of bakers, dried one hour then, put into 330 ℃ of baker sintering again 10 minutes, formation contains the sponge nickel dam 11 of catalytic gas reaction material, the carbon cloth of gas diffusion layers 13 usefulness is selected the GEFC-GDL product for use, and conducting plates 12 is made for stainless material.Above-mentioned gas diffusion layers 13 and the sponge nickel dam 11 that contains the catalytic gas reaction material are screwed the open side of plastic casing 14, and conducting plates 12 is connected to housing top, be formed into catalytic gas reaction electrode 10 shown in Figure 1.
Embodiment 2
Fig. 2 shows the embedded electrolyzer of the catalytic gas reaction electrode that contains embodiment 1.As Fig. 2, this electrolyzer 20 comprises proton exchange membrane 201, positive column inlet 202, inert metal titanium basal electrode 203, positive column outlet 204, power supply 205, cathodic area outlet 206, catalytic gas reaction electrode 10, catalytic gas reaction electrode gas outlet pipe 208, catalytic gas reaction electrode gas inlet tube 209, cathodic area inlet 210, electrolyzer housing 211, in this example, described proton exchange membrane 201 is selected the Nafine324 of E.I.Du Pont Company product for use, it vertically is sealedly attached to electrolyzer housing 211 central authorities, the electrolyzer enclosure interior is separated into positive column and cathodic area, and stretch out outside the electrolyzer housing at the two ends up and down of proton exchange membrane.Inert metal titanium basal electrode 203 is housed on the sidewall in the electrolyzer housing 211 of positive column, and in this example, this electrode materials is a titanium base platinum, and the lead of electrode 203 links to each other with positive source.In the electrolyzer housing 211 in cathodic area, catalytic gas reaction electrode 10 is housed, the structure of catalytic gas reaction electrode 10 is with embodiment 1, catalytic gas reaction electrode 10 by lead through with electrolyzer housing 211 insulated enclosures after draw the electrolyzer housing, and link to each other with the negative pole of power supply 205.Catalytic gas reaction electrode gas outlet pipe 208, catalytic gas reaction electrode gas inlet tube 209 are arranged on the housing 14 of catalytic gas reaction electrode, and draw electrolyzer housing 211, and catalytic gas reaction electrode gas outlet pipe 208 seals with electrolyzer housing 211 mutually with catalytic gas reaction electrode gas inlet tube 209.On the electrolyzer housing 211 of positive column, be provided with positive column inlet 202, positive column outlet 204, on the electrolyzer housing 211 in cathodic area, be provided with cathodic area inlet 210 and cathodic area outlet 206.
Embodiment 3
Present embodiment has provided the application example of the present invention on bleaching process.
As shown in Figure 3, the gangway, positive column 204,202 of embedded electrolyzer 20 is connected respectively to the bleaching vessel 31 in the production line bleachinged and dyeing of hypothesis, wherein should have a transferpump to promote sodium hypochlorite solution, transferpump preferably is connected the inlet of the electrolyzer that flows so that can fully drive the gas of positive column away.The sodium hypochlorite solution initial set becomes 0.1%～10% the sodium hydroxide or the sodium-chlor or the Repone K of potassium hydroxide and 1%～10%, the gangway, cathodic area 206,210 of electrolyzer 20 is connected respectively to the mercerising or the boiling-off cylinder 32 in the production line bleachinged and dyeing of hypothesis, wherein should there be a transferpump to promote mercerising or boiling house solution, transferpump preferably is connected in the inlet of embedded electrolyzer 20, so that can fully drive the gas of positive column away.Mercerising liquid initial set becomes 10%～40% sodium hydroxide or potassium hydroxide, and the boiling house solution initial set becomes 1%～10% sodium hydroxide or potassium hydroxide.Catalytic gas reaction electrode 10 aerating oxygens or air in the negative electrode make its pressure about 0.1～0.5 crust, and the electric current by 1～10 ampere of per minute rice cross-sectional area carries out electrolysis, make to produce the hypochlorite material in the positive column and be used for bleaching.The oxygen reaction in cathodic area generates hydrogen peroxide and alkali, and hydrogen peroxide can be used for bleaching, and alkali can be used for mercerising or boiling-off technology.Among Fig. 3, cloth 33 places in bleaching vessel 31, mercerising or the boiling-off cylinder 32.
Claims (7)
1. catalytic gas reaction electrode, it is characterized in that, this catalytic gas reaction electrode (10) comprises sponge nickel dam (11), conducting plates (12), gas diffusion layers (13) and housing (14), wherein, in described sponge nickel dam (11) coating and infiltration the catalytic gas reaction material is arranged, described gas diffusion layers (13) is sealedly attached to the open side of housing (14), sponge nickel dam (11) then is fixed in carbon cloth gas diffusion layers (13) outside, and described housing (14) is provided with pneumatic outlet (141) and gas inlet (142).
2. catalytic gas reaction electrode as claimed in claim 1 is characterized in that, the thickness of described sponge nickel dam (11) is 1.3～2.0mm, and area density is 300～600g/m
2, hole count is 80～110PPI.
3. catalytic gas reaction electrode as claimed in claim 1 is characterized in that, conducting plates (12) is made by conducting metal.
4. catalytic gas reaction electrode as claimed in claim 1 is characterized in that, described catalytic gas reaction material be by high conductive carbon powder, catalysis material and tackiness agent by 8～10: 0.5～2: 5～10 weight ratio mixes.
5. catalytic gas reaction electrode as claimed in claim 4 is characterized in that, described catalysis material is a nickel ferro-cobalt class complex compound, and tackiness agent is a fluorine carbon thing tackiness agent.
6. embedded electrolyzer that contains the described catalytic gas reaction electrode of claim 1, it is characterized in that, this electrolyzer (20) comprises proton exchange membrane (201), positive column inlet (202), inert metal titanium basal electrode (203), positive column outlet (204), power supply (205), cathodic area outlet (206), catalytic gas reaction electrode (10), catalytic gas reaction electrode gas outlet pipe (208), catalytic gas reaction electrode gas inlet tube (209), cathodic area inlet (210), electrolyzer housing (211), wherein, proton exchange membrane (201) vertically is sealedly attached to electrolyzer housing (211) central authorities, the electrolyzer enclosure interior is separated into positive column and cathodic area, and stretch out outside the electrolyzer housing at the two ends up and down of proton exchange membrane; On the sidewall in the electrolyzer housing (211) of positive column inert metal titanium basal electrode (203) is housed; In the electrolyzer housing (211) in cathodic area, catalytic gas reaction electrode (10) is housed; Described catalytic gas reaction electrode (10) links to each other with the negative pole of power supply (205), and described inert metal titanium basal electrode (203) links to each other with the positive pole of power supply (205); On the electrolyzer housing (211) of positive column, be provided with positive column inlet (202), positive column outlet (204), on the electrolyzer housing (211) in cathodic area, be provided with cathodic area inlet (210) and cathodic area outlet (206); Catalytic gas reaction electrode gas outlet pipe (208), catalytic gas reaction electrode gas inlet tube (209) are arranged on the housing (14) of catalytic gas reaction electrode, and draw electrolyzer housing (211), and catalytic gas reaction electrode gas outlet pipe (208) seals with electrolyzer housing (211) mutually with catalytic gas reaction electrode gas inlet tube (209).
7. embedded electrolyzer as claimed in claim 6 is characterized in that, described inert metal titanium basal electrode (203) is by a kind of the making in titanium base platinum, ruthenium alloy oxide compound titanium-base material, the net material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13606908P | 2008-08-11 | 2008-08-11 | |
| US61/136,069 | 2008-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101643913A CN101643913A (en) | 2010-02-10 |
| CN101643913B true CN101643913B (en) | 2011-06-15 |
Family
ID=41655969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910165500XA Expired - Fee Related CN101643913B (en) | 2008-08-11 | 2009-08-11 | Embedded electrochemical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101643913B (en) |
-
2009
- 2009-08-11 CN CN200910165500XA patent/CN101643913B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101643913A (en) | 2010-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101634035B (en) | Electrochemical method and electrochemical device for synergistically generating ozone and hydrogen peroxide in neutral medium | |
| CA3107532C (en) | Electrolysis unit and method for operating the electrolysis unit | |
| CN107313068A (en) | A kind of electrochemical method of synthetic acidic hydrogen peroxide | |
| CN101748423B (en) | Efficient electrochemical reactor of electro-catalysis in-situ hydrogen peroxide | |
| CN109321936A (en) | A kind of device and method based on flow redox medium substep water electrolysis hydrogen production | |
| US20120048744A1 (en) | Electrolytic Synthesis of Hydrogen Peroxide Directly from Water and Application Thereof | |
| Wang et al. | Sustainable coproduction of two disinfectants via hydroxide-balanced modular electrochemical synthesis using a redox reservoir | |
| CN112281184B (en) | Device and method for electrochemically generating hydrogen peroxide | |
| CN117512651A (en) | Electrode for preparing hydrogen peroxide by electrocatalytic oxygen reduction | |
| CN1065005C (en) | Process of electrochemical oxygen generation by cathode and its oxygen generating box | |
| CN101643913B (en) | Embedded electrochemical device | |
| CN110484927A (en) | A kind of compact-sized electrolysis type ozone generator | |
| CN115558943A (en) | Hydrogen peroxide generating device | |
| CN207130343U (en) | A kind of electrolytic ozone generator that can add electrolyte automatically | |
| CN2698812Y (en) | Electrochemical reactor for in situ hydrogen peroxide generation by electrocatalysis | |
| CN210620955U (en) | Electrolytic ozone generator with compact structure | |
| CN114672826A (en) | Double-cathode electrolytic tank capable of switching production of hydrogen peroxide or hydrogen | |
| CN108383214B (en) | Photovoltaic electro-catalysis organic wastewater treatment reactor and anode preparation method thereof | |
| CN107488865A (en) | A kind of cathode electrode coating of hypochlorite generator | |
| CN209200758U (en) | A kind of distributed photovoltaic power generation hydrogen energy-storage system | |
| CN111472018A (en) | Method for preparing hydrogen peroxide by SPE electrolysis | |
| CN207031039U (en) | Three casees anionic membrane electrolysis units of ammonium chloride waste-water are handled for being electrolysed | |
| CN111206265B (en) | Air-water circulating system and multifunctional water electrolysis device thereof | |
| CN216237301U (en) | Efficient proton exchange membrane electrolytic cell | |
| TWI682068B (en) | Liquid-gas cycling system and multifunctional water electrolysis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20210811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |