CN2670381Y - Anion-exhange membrane multistage continuous electrolytic bath - Google Patents
Anion-exhange membrane multistage continuous electrolytic bath Download PDFInfo
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- CN2670381Y CN2670381Y CNU2003201227363U CN200320122736U CN2670381Y CN 2670381 Y CN2670381 Y CN 2670381Y CN U2003201227363 U CNU2003201227363 U CN U2003201227363U CN 200320122736 U CN200320122736 U CN 200320122736U CN 2670381 Y CN2670381 Y CN 2670381Y
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- anolyte
- exchange membrane
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Abstract
The utility model belongs to the hydrometallurgy field, disclosing an anion-exchange membrane multistage continuous electric tank. The electric tank comprises a cathode chamber, an anode chamber, a cathode and an anode. The part between the cathode chamber and the anode chamber is separated by an anion-exchange membrane, the two adjacent cathode chambers are mutually connected in series, and the two adjacent anode chambers are mutually connected in series. All the cathodes are connected in parallel, and all the anodes are connected in parallel. In addition, a liquid inlet and a liquid outlet, which are respectively used for guiding in electrolytic solution and guiding out the electrolytic solution, are provided on the cathode chamber of the electric tank. The anode chamber is provided with the inlet of an anolyte and the outlet of the anolyte, and the cathode chamber and the anode chamber are respectively provided with a gas outlet. In order to decrease energy consumption, a low dissecting hydrogen overpotential mesh cathode which is resistant to the acidbase corrosion is adopted in the cathode of the electric tank, and an inert anode or a soluble metal anode is adopted in the anode of the electric tank. The utility model can reach the purpose of continuous industrial production, and synchronously great electrolysis effect is obtained as well in the experiment of purifying rare earth by electrocotu reducing europium oxid. The reduction rate of electricity is bigger than 99 percent. The utility model is not only of low investment cost but also of convenient operation.
Description
Affiliated technical field
The utility model belongs to the hydrometallurgy field, relates to a kind of electrolyzer, relates in particular to the multistage continuous electrolysis groove of the isolating anion-exchange membrane of a kind of hydrometallurgy.
Background technology
In solution often because of the variation of the ionic valence condition of some element, finally have influence on physics, the chemical property of whole solution system, by changing the effects of ion valence state, reach the physics, the chemical property that change whole solution system, thereby develop to helping metallurgical isolating direction more.
At present, the method for change element valence mainly contains in solution: electrochemical oxidation, reduction method and chemical oxidation, reduction method.The used electrolyzer of electrolysis mainly contains following several: diaphragm type, bipolar membranous type, dual membranes and three chambers type electrolyzer.But the electrolyzer of these types can not be used for continuous industry production.
Summary of the invention
The purpose of this utility model is, provides a kind of not only energy conservation and consumption reduction effects obvious, and can be used for the multistage continuous electrolysis groove of quantity-produced anion-exchange membrane.For example can satisfy Fe in the neodymium iron boron decomposed solution
3+Electroreduction becomes Fe
2+Help P
507Extracting and separating reclaims rare earth; Satisfy Eu
2O
3Electrolytic reduction Eu in the decomposed solution
3+Become Eu
2+The electrolyzer of purposes such as rare earth helps purifying.
The technical scheme that its technical problem that solves the utility model adopts is: this groove comprises cathode compartment, anolyte compartment, negative electrode and anode, separate by anion-exchange membrane between cathode compartment and the anolyte compartment, series connection mutually between adjacent two cathode compartments, series connection mutually between adjacent two anolyte compartments; In parallel between all negative electrodes, in parallel between all anodes.
The utility model is provided with liquid inlet and liquid exit in the electric tank cathode chamber, is respectively applied for to import electrolytic solution and derive electrolytic solution.Be provided with anolyte inlet and anolyte outlet in the anolyte compartment.Cathode compartment and anolyte compartment also are respectively equipped with pneumatic outlet.
The utility model is for cutting down the consumption of energy, and the negative electrode of described electrolyzer is the low overpotential of hydrogen evolution mesh cathode of acid-and base-resisting corrosive.The anode of described electrolyzer adopts inert anode or soluble metal anode.
The beneficial effects of the utility model are to can be used in continuous industry production.At electroreduction-P
507Obtain good application in the type approval test of extracting and separating neodymium iron boron decomposed solution extraction rare earth, and obtained good effect; Simultaneously in the experiment of electroreduction europium sesquioxide purification rare earth, obtained good electrolysis effectiveness equally; Electroreduction rate＞99%.The utility model not only cost of investment is low, and operation is also very convenient simultaneously.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
The utility model comprises cathode compartment 1, anolyte compartment 2, negative electrode 3 and anode 4, separates by anion-exchange membrane 5 between cathode compartment 1 and the anolyte compartment 2.Series connection mutually between adjacent two cathode compartments 1, series connection mutually between adjacent two anolyte compartments 2; In parallel between all negative electrodes 3, in parallel between all anodes 4.Be provided with liquid inlet 11 and liquid exit 12 in the electric tank cathode chamber, be respectively applied for and import electrolytic solution and derivation electrolytic solution.Be provided with anolyte inlet 21 and anolyte outlet 22 in the anolyte compartment, cathode compartment and anolyte compartment also are provided with pneumatic outlet 13,23.The negative electrode 3 of electrolyzer is the low overpotential of hydrogen evolution mesh cathode of acid-and base-resisting corrosive.The anode 4 of electrolyzer adopts inert anode or soluble metal anode.
Working process of the present utility model is as follows: anolyte compartment's liquid introducing port 21 imports dilute hydrochloric acid or neodymium iron boron decomposed solution, and cathode compartment liquid introducing port 11 imports the neodymium iron boron decomposed solution.Close catholyte export mouth 12 earlier and import a certain amount of neodymium iron boron decomposed solution to cathode compartment 1, import a certain amount of anolyte to the anolyte compartment 2 from anolyte compartment's introducing port 21 from cathode compartment introducing port 11.After the electrolysis certain hour reached desired effects, 11 beginnings of negative electrode introducing port imported quantitative neodymium iron boron decomposed solution continuously to cathode compartment 1, and negative electrode export mouth 12 is derived the good qualified feed liquid of equivalent electrolytic reduction continuously; Simultaneously regularly import diluted acids or neodymium iron boron decomposed solution to the anolyte compartment 2 from anode introducing port 21, export mouth 22 is derived anolytes to keep the normal operation of electrolyzer.
The current density of this electrolyzer: 50～200A/m
2, bath voltage: 0.5～1.2V.
Claims (4)
1, the multistage continuous electrolysis groove of anion-exchange membrane used of a kind of hydrometallurgy comprises cathode compartment (1), anolyte compartment (2), negative electrode (3) and anode (4), separates by anion-exchange membrane (5) between cathode compartment (1) and anolyte compartment (2).It is characterized in that: series connection mutually between adjacent two cathode compartments (1), series connection mutually between adjacent two anolyte compartments (2); In parallel between all negative electrodes (3), in parallel between all anodes (4).
2, the multistage continuous electrolysis groove of anion-exchange membrane according to claim 1, it is characterized in that: be provided with liquid inlet (11) and liquid exit (12) in the electric tank cathode chamber, be provided with anolyte inlet (21) and anolyte outlet (22) in the anolyte compartment, cathode compartment and anolyte compartment also are provided with pneumatic outlet (13), (23).
3, the multistage continuous electrolysis groove of anion-exchange membrane according to claim 1 is characterized in that the negative electrode (3) of described electrolyzer is the low overpotential of hydrogen evolution mesh cathode of acid-and base-resisting corrosive.
4, the multistage continuous electrolysis groove of anion-exchange membrane according to claim 1 is characterized in that the anode (4) of described electrolyzer adopts inert anode or soluble metal anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201227363U CN2670381Y (en) | 2003-12-17 | 2003-12-17 | Anion-exhange membrane multistage continuous electrolytic bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201227363U CN2670381Y (en) | 2003-12-17 | 2003-12-17 | Anion-exhange membrane multistage continuous electrolytic bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2670381Y true CN2670381Y (en) | 2005-01-12 |
Family
ID=34476277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201227363U Expired - Fee Related CN2670381Y (en) | 2003-12-17 | 2003-12-17 | Anion-exhange membrane multistage continuous electrolytic bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2670381Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103560A (en) * | 2012-12-13 | 2013-05-15 | 苏州新区化工节能设备厂 | Micropolar-distance ionic membrane electrolysis cell |
| CN103205575A (en) * | 2013-03-05 | 2013-07-17 | 广州有色金属研究院 | Method for recovering hydrochloric acid and rare earth from oxalate rare earth precipitation waste water |
| CN103388161A (en) * | 2013-08-20 | 2013-11-13 | 兰州交通大学 | Membrane electrode device for refining metal sulfate solution |
| CN105603455A (en) * | 2016-02-26 | 2016-05-25 | 武汉大学 | Electrolytic tank for electrolytic manganese production |
| CN105780042A (en) * | 2016-04-20 | 2016-07-20 | 广东省稀有金属研究所 | Method for continuous electrolytic reduction of three-valence europium |
| CN105862058A (en) * | 2016-04-20 | 2016-08-17 | 广东省稀有金属研究所 | Device for continuous electrolytic reduction of trivalent europium |
| CN112255288A (en) * | 2020-10-09 | 2021-01-22 | 泉州师范学院 | DSA anode electrochemical performance testing device |
-
2003
- 2003-12-17 CN CNU2003201227363U patent/CN2670381Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103560A (en) * | 2012-12-13 | 2013-05-15 | 苏州新区化工节能设备厂 | Micropolar-distance ionic membrane electrolysis cell |
| CN103103560B (en) * | 2012-12-13 | 2016-05-25 | 苏州赛斯德工程设备有限公司 | A kind of micro-polar distance ion membrane electrolysis bath |
| CN103205575A (en) * | 2013-03-05 | 2013-07-17 | 广州有色金属研究院 | Method for recovering hydrochloric acid and rare earth from oxalate rare earth precipitation waste water |
| CN103388161A (en) * | 2013-08-20 | 2013-11-13 | 兰州交通大学 | Membrane electrode device for refining metal sulfate solution |
| CN103388161B (en) * | 2013-08-20 | 2016-05-11 | 兰州交通大学 | A kind of film electrowinning plant for solution of metal sulfates refining |
| CN105603455A (en) * | 2016-02-26 | 2016-05-25 | 武汉大学 | Electrolytic tank for electrolytic manganese production |
| CN105780042A (en) * | 2016-04-20 | 2016-07-20 | 广东省稀有金属研究所 | Method for continuous electrolytic reduction of three-valence europium |
| CN105862058A (en) * | 2016-04-20 | 2016-08-17 | 广东省稀有金属研究所 | Device for continuous electrolytic reduction of trivalent europium |
| CN105780042B (en) * | 2016-04-20 | 2017-12-26 | 广东省稀有金属研究所 | A kind of method of continuous electrolysis reduction trivalent europium |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |