CN110867592A - Treatment method of failure vanadium electrolyte - Google Patents
Treatment method of failure vanadium electrolyte Download PDFInfo
- Publication number
- CN110867592A CN110867592A CN201911061791.8A CN201911061791A CN110867592A CN 110867592 A CN110867592 A CN 110867592A CN 201911061791 A CN201911061791 A CN 201911061791A CN 110867592 A CN110867592 A CN 110867592A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- vanadium electrolyte
- failure
- treating
- solution
- 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
Links
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 90
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000003792 electrolyte Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000012716 precipitator Substances 0.000 claims abstract description 15
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000007935 neutral effect Effects 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims description 4
- 229920000136 polysorbate Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 229930091371 Fructose Natural products 0.000 claims description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 claims description 2
- 239000005715 Fructose Substances 0.000 claims description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 2
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- -1 dmf Chemical compound 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- NTNWKDHZTDQSST-UHFFFAOYSA-N naphthalene-1,2-diamine Chemical compound C1=CC=CC2=C(N)C(N)=CC=C21 NTNWKDHZTDQSST-UHFFFAOYSA-N 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 11
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 6
- 238000003672 processing method Methods 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 3
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 17
- 229910001456 vanadium ion Inorganic materials 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 150000003682 vanadium compounds Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229940083037 simethicone Drugs 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/008—Disposal or recycling of fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of energy storage of flow batteries, and discloses a treatment method of a failure vanadium electrolyte, which is a method for completely precipitating 100% of vanadium in a solution by taking the failure vanadium electrolyte as a raw material, introducing a composite precipitator, adjusting the solution to be neutral by using a conventional alkali liquor, and fully stirring at normal temperature. The processing method of the failure vanadium electrolyte has the advantages that raw materials are easy to obtain, the processing method is simple, complex operation is not needed, the method is easy to popularize and use, the processing cost is greatly reduced, the economic benefit is improved, after vanadium in the failure vanadium electrolyte is precipitated, the solution does not need redundant processing, the processing process is reduced, the time is further saved, the efficiency of recovering the vanadium is improved, the processing period is shortened, the use is more environment-friendly, the precipitation rate of the vanadium is 100%, the vanadium is prevented from being discharged to pollute the surrounding environment, the damage to the surrounding environment is avoided, the method is very suitable for industrial large-scale production, and the vanadium in waste liquid can be completely recovered.
Description
Technical Field
The invention relates to the technical field of energy storage of flow batteries, in particular to a method for treating a failure vanadium electrolyte.
Background
The all vanadium redox flow battery, vanadium battery for short, is a new kind of electrochemical energy storage system, compare with traditional storage battery, it has can be fast, high capacity charge and discharge, the self-discharge rate is low and the characteristic such as the simple battery structure, it is the ideal power supply form that satisfies the large-scale energy storage of new energy such as wind energy, solar energy, etc., as the electrolyte of the battery active material, the positive pole electrolyte is made up of mixed solution of tetravalent and pentavalent vanadium ion and sulfuric acid, the negative pole electrolyte is made up of mixed solution of divalent and trivalent vanadium ion and sulfuric acid; after the battery is charged, the positive electrode substance is a pentavalent vanadium ion sulfuric acid solution, and the negative electrode is a divalent vanadium ion sulfuric acid solution; after the battery is discharged, the positive electrode and the negative electrode are respectively tetravalent and trivalent vanadium ion sulfuric acid solutions, vanadium pentoxide is used as a main raw material for preparing a vanadium electrolyte, and the vanadium electrolyte is widely applied to the related field of vanadium batteries.
The invention with the application number of 201610994027.6 discloses a method for recycling failed vanadium electrolyte, which adopts chemical titration, potentiometric titration and ultraviolet spectrophotometry to determine the content of vanadium ions to regenerate the electrolyte, but vanadium ions in the electrolyte can not be fixed and precipitated at present, and the vanadium electrolyte can not be used due to the phenomena of precipitation, adhesion, valence state unbalance and the like caused by the serious standard exceeding of the vanadium concentration and the acid concentration after being used for a long time by a flow battery, and the existing method can not precipitate the vanadium ions in the failed vanadium electrolyte, is complex in treatment method, high in cost, not suitable for popularization and use and not suitable for industrial large-scale production, so that the problem can be solved by the treatment method of the failed vanadium electrolyte.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a treatment method of a failure vanadium electrolyte, which has the advantages of recovering vanadium in waste liquid and the like, and solves the problems that the vanadium ions in the electrolyte can not be fixed and precipitated at present, the vanadium concentration and the acid concentration of the vanadium electrolyte are seriously overproof after the vanadium electrolyte is used for a long time by a flow battery, the phenomena of precipitation, adhesion, valence state unbalance and the like are generated, the vanadium ions can not be used, the vanadium ions in the failure vanadium electrolyte can not be precipitated at present, the treatment method is complex, the cost is increased, the method is not suitable for popularization and use, and the method is not suitable for industrial large-scale production.
(II) technical scheme
In order to achieve the purpose of recovering vanadium in the waste liquid, the invention provides the following technical scheme: a treatment method of failure vanadium electrolyte is a method which takes failure vanadium electrolyte as raw material, introduces composite precipitator, uses conventional alkali liquor to adjust the solution to be neutral, and fully stirs at normal temperature to ensure that 100 percent of vanadium in the solution is completely precipitated.
Preferably, the vanadium concentration in the spent vanadium electrolyte is: 0.1-3.0 mol/L, and the temperature of the failure vanadium electrolyte is normal temperature.
Preferably, the main salt in the composite precipitator is an organic amine substance such as: one or more of ethylenediamine, triethylamine, polyacrylamide, triethanolamine, dmf, cyclohexylamine, morpholine, aniline, krafft acid, naphthalene diamine, and hydroxylamine.
Preferably, the composite precipitator is compounded with one or more than two of polyhydroxy compounds such as polyvinyl alcohol, polyethylene glycol, glucose and fructose.
Preferably, the composite precipitator is compounded with one or more than two of tween compounds such as tween-20, tween 40, tween-60 and tween-80.
Preferably, the solvent used in the composite precipitant is a high boiling point solvent, such as one of N-methyl pyrrolidone, glycerol, silicone oil, and triethylene glycol.
Preferably, the conventional alkali liquor is used for adjusting the ph value, and the conventional alkali liquor is one of sodium hydroxide, potassium hydroxide and ammonia water.
Preferably, the acidity of the adjusted solution is neutral, and in particular, pH 6-8.
Preferably, the mass ratio of the vanadium to be treated to the vanadium precipitation agent is as follows: (1: 1) to (1: 2).
(III) advantageous effects
Compared with the prior art, the invention provides a treatment method of a failure vanadium electrolyte, which has the following beneficial effects:
1. the processing method of the failure vanadium electrolyte is characterized in that a composite precipitator is introduced, the solution is adjusted to be neutral by using conventional alkali liquor, the required materials are all the existing materials on the market, the required cost is low, the raw materials are easily obtained, more time can be saved for proportioning, in the operation process, only the pH value of the solution needs to be measured, other more accurate measurement is not needed, the influence of measurement errors on the vanadium content in the recovered waste liquid can be well avoided, meanwhile, only stirring is carried out at normal temperature, the processing method is simple, complex operation is not needed, the required time is short, the crystalline vanadium compound is easily prepared, the efficiency of preparing the crystalline vanadium compound can be improved, the required reaction environment is also easily obtained at normal temperature, the crystalline vanadium compound can be prepared by reaction only, the reaction solution does not need to be heated, and the cost is saved more, the use is more environment-friendly and more efficient, and the popularization and the use are easy.
2. The treatment method of the failure vanadium electrolyte introduces the composite precipitator, the precipitation rate of vanadium in the waste liquid is 100 percent of precipitation, because only the PH value needs to be measured during the treatment, the reaction environment is easy to obtain, the raw materials are easy to obtain, the cost is low, the reaction time is short, thereby the period for recovering the vanadium in the waste liquid is shorter, the efficiency for recovering the vanadium is higher, the treatment cost is greatly reduced, the economic benefit is improved, meanwhile, after the vanadium in the failed vanadium electrolyte is precipitated, the solution does not need redundant treatment processes, the treatment processes are reduced, the time is further saved, the efficiency of recovering the vanadium is improved, the treatment period is shortened, the vanadium is more environment-friendly to use, the precipitation rate of the vanadium is 100%, the vanadium is prevented from being discharged to pollute the surrounding environment, the surrounding environment is prevented from being damaged, and therefore the vanadium recovery method is very suitable for industrial large-scale production, and the vanadium in the waste liquid can be completely recovered.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: knowing that the concentration of vanadium is 3mol/L, 500ml of electrolyte is introduced, a precipitator compounded by ethylenediamine, polyethylene glycol, Tween 80 and simethicone is introduced, pH is adjusted to 7 by using sodium hydroxide, stirring is continuously carried out for one hour after the precipitation reaction is finished, filtering is carried out, filtrate is colorless and transparent, and precipitates are dried to obtain crystalline vanadium compounds, wherein the vanadium precipitation rate is 100%.
The embodiment result shows that the method takes the failure vanadium electrolyte as the raw material, introduces the composite precipitator, uses the conventional alkali liquor to adjust the solution to be neutral, and fully stirs at normal temperature to ensure that 100 percent of vanadium in the solution is completely precipitated.
The invention has the beneficial effects that: the processing method of the failure vanadium electrolyte is characterized in that a composite precipitator is introduced, the solution is adjusted to be neutral by using conventional alkali liquor, the required materials are all the existing materials on the market, the required cost is low, the raw materials are easily obtained, more time can be saved for proportioning, in the operation process, only the pH value of the solution needs to be measured, other more accurate measurement is not needed, the influence of measurement errors on the vanadium content in the recovered waste liquid can be well avoided, meanwhile, only stirring is carried out at normal temperature, the processing method is simple, complex operation is not needed, the required time is short, the crystalline vanadium compound is easily prepared, the efficiency of preparing the crystalline vanadium compound can be improved, the required reaction environment is also easily obtained at normal temperature, the crystalline vanadium compound can be prepared by reaction only, the reaction solution does not need to be heated, and the cost is saved more, the method is more environment-friendly and more efficient to use and easy to popularize and use, the precipitation rate of vanadium in the waste liquid is 100% precipitation, only the PH value needs to be measured during treatment, the reaction environment is easily obtained, raw materials are easily obtained, the cost is low, the reaction time is short, the period for recovering the vanadium in the waste liquid is short, the vanadium recovery efficiency is high, the treatment cost is greatly reduced, the economic benefit is improved, after the vanadium in the failure vanadium electrolyte is precipitated, the solution does not need to be subjected to redundant treatment, the treatment process is reduced, the time is further saved, the vanadium recovery efficiency is improved, the treatment period is shortened, the use is more environment-friendly, the precipitation rate of the vanadium is 100%, the discharge of the vanadium is prevented from polluting the surrounding environment, the surrounding environment is prevented from being damaged, the method is very suitable for industrial large-scale production, and the vanadium in the waste liquid can be completely recovered, the problems that the vanadium ions in the electrolyte can not be fixed and precipitated at present, the vanadium concentration and the acid concentration of the vanadium electrolyte are seriously overproof after the vanadium electrolyte is used for a long time by a flow battery, the phenomena of precipitation, adhesion, valence state unbalance and the like are generated, the vanadium electrolyte can not be used, the vanadium ions in the failed vanadium electrolyte can not be precipitated at present, the treatment method is complex, the cost is high, and the vanadium electrolyte is not suitable for popularization and application and is not suitable for industrial large-scale production are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A treatment method of a failure vanadium electrolyte is characterized in that the failure vanadium electrolyte is used as a raw material, a composite precipitator is introduced, a conventional alkali liquor is used for regulating a solution to be neutral, and the solution is fully stirred at normal temperature to ensure that 100 percent of vanadium in the solution is completely precipitated.
2. The method for treating the failed vanadium electrolyte according to claim 1, wherein the vanadium concentration in the failed vanadium electrolyte is: 0.1-3.0 mol/L, and the temperature of the failure vanadium electrolyte is normal temperature.
3. The method for treating the spent vanadium electrolyte according to claim 1, wherein the main salt in the composite precipitator is an organic amine substance such as: one or more of ethylenediamine, triethylamine, polyacrylamide, triethanolamine, dmf, cyclohexylamine, morpholine, aniline, krafft acid, naphthalene diamine, and hydroxylamine.
4. The method for treating the spent vanadium electrolyte according to claim 1, wherein the composite precipitator is compounded with one or more of polyhydroxy compounds such as polyvinyl alcohol, polyethylene glycol, glucose and fructose.
5. The method for treating the spent vanadium electrolyte according to claim 1, wherein the composite precipitator is compounded with one or more of tween compounds such as tween-20, tween 40, tween-60 and tween-80.
6. The method for treating the spent vanadium electrolyte according to claim 1, wherein the solvent used in the composite precipitator is a high boiling point solvent, such as one of N-methyl pyrrolidone, glycerol, silicone oil and triethylene glycol.
7. The method for treating the spent vanadium electrolyte according to claim 1, wherein the conventional alkali liquor is used for adjusting the ph value, and the conventional alkali liquor is one of sodium hydroxide, potassium hydroxide and ammonia water.
8. The method for treating the spent vanadium electrolyte according to claim 1, wherein the acidity of the adjusted solution is neutral, and particularly has a pH of 6 to 8.
9. The method for treating the failed vanadium electrolyte according to claim 1, wherein the mass ratio of the vanadium to be treated to the vanadium precipitation agent is as follows: (1: 1) to (1: 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061791.8A CN110867592A (en) | 2019-11-01 | 2019-11-01 | Treatment method of failure vanadium electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061791.8A CN110867592A (en) | 2019-11-01 | 2019-11-01 | Treatment method of failure vanadium electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110867592A true CN110867592A (en) | 2020-03-06 |
Family
ID=69653605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061791.8A Pending CN110867592A (en) | 2019-11-01 | 2019-11-01 | Treatment method of failure vanadium electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110867592A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125171A (en) * | 1995-11-07 | 1997-05-13 | Taiyo Koukou Kk | Method for recovering vanadium from vanadium-based electrolyte |
| CN102983346A (en) * | 2012-12-04 | 2013-03-20 | 中国科学院金属研究所 | Method for preparing vanadyl sulfate from electrolyte for failure vanadium cell |
| CN106450371A (en) * | 2016-11-11 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for recycling failed vanadium electrolyte |
| EP3324474A4 (en) * | 2015-10-20 | 2018-05-23 | Le System Co., Ltd. | Method for producing vanadium electrolytic solution for redox flow cell |
| CN108314083A (en) * | 2018-04-04 | 2018-07-24 | 河钢股份有限公司承德分公司 | A method of by preparing vanadium trioxide containing vanadium solution |
| US20180209014A1 (en) * | 2015-07-15 | 2018-07-26 | National University Corporation Gunma University | Vanadium Recovery Method, Method for Producing Electrolytic Solution for Redox Flow Batteries, Vanadium Recovery Device, and Device for Producing Electrolytic Solution for Redox Flow Batteries |
| CN108394934A (en) * | 2018-04-12 | 2018-08-14 | 四川星明能源环保科技有限公司 | A kind of V electrolyte high-purity oxyvanadium compound and preparation method thereof |
-
2019
- 2019-11-01 CN CN201911061791.8A patent/CN110867592A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125171A (en) * | 1995-11-07 | 1997-05-13 | Taiyo Koukou Kk | Method for recovering vanadium from vanadium-based electrolyte |
| CN102983346A (en) * | 2012-12-04 | 2013-03-20 | 中国科学院金属研究所 | Method for preparing vanadyl sulfate from electrolyte for failure vanadium cell |
| US20180209014A1 (en) * | 2015-07-15 | 2018-07-26 | National University Corporation Gunma University | Vanadium Recovery Method, Method for Producing Electrolytic Solution for Redox Flow Batteries, Vanadium Recovery Device, and Device for Producing Electrolytic Solution for Redox Flow Batteries |
| EP3324474A4 (en) * | 2015-10-20 | 2018-05-23 | Le System Co., Ltd. | Method for producing vanadium electrolytic solution for redox flow cell |
| CN106450371A (en) * | 2016-11-11 | 2017-02-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for recycling failed vanadium electrolyte |
| CN108314083A (en) * | 2018-04-04 | 2018-07-24 | 河钢股份有限公司承德分公司 | A method of by preparing vanadium trioxide containing vanadium solution |
| CN108394934A (en) * | 2018-04-12 | 2018-08-14 | 四川星明能源环保科技有限公司 | A kind of V electrolyte high-purity oxyvanadium compound and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 杨明平等: "利用失效钒电解液回收钒制备偏钒酸铵工艺", 《化工进展》 * |
| 王猛成: "提钒尾渣综合利用研究", 《第二届钒产业先进技术交流会论文集》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101562256B (en) | Preparation method of electrolyte used for all vanadium redox flow batteries | |
| CN110994061B (en) | Method for recovering vanadium electrolyte | |
| CN102983346B (en) | Method for preparing vanadyl sulfate from electrolyte for failure vanadium cell | |
| CN106340657A (en) | Method for recycling vanadium electrolytic solution | |
| CN111697282B (en) | Method for extracting lithium from dilute solution recovered from waste battery positive electrode material | |
| CN111342102B (en) | Preparation method of vanadium battery electrolyte based on vanadium compound | |
| CN111446478B (en) | Method for preparing vanadium battery electrolyte by taking vanadium-rich liquid as raw material | |
| CN105406098A (en) | Method for preparing vanadyl sulfate by using failure vanadium cell electrolyte | |
| CN109292818A (en) | Failure electrolyte prepares high-purity V2O5Method | |
| CN102244285A (en) | High-concentration zinc-vanadium redox battery | |
| CN114243041A (en) | Regeneration method of waste vanadium energy storage medium | |
| CN114497665A (en) | Method for reducing capacity attenuation of vanadium battery | |
| CN106395902A (en) | Method for preparing vanadium pentoxide by utilizing invalid vanadium battery positive pole electrolyte | |
| CN103014354B (en) | Process for recycling lead from lead-acid battery paste | |
| CN109461948A (en) | Utilize the method for the electrolyte liquid regeneration V electrolyte of failure vanadium cell | |
| CN110867592A (en) | Treatment method of failure vanadium electrolyte | |
| CN106450401A (en) | Method for preparing vanadyl sulfate by utilizing waste vanadium electrolyte | |
| CN104064795A (en) | Preparation method of high-purity vanadyl sulfate electrolyte | |
| CN108588737B (en) | Method for preparing sodium metavanadate by treating vanadium-containing waste liquid | |
| CN102376970B (en) | Method for preparing all-vanadium ion redox flow battery electrolyte | |
| CN103045853B (en) | Process for recovering lead from lead-acid battery paste | |
| CN112289991A (en) | Ni and Cr co-doped carbon-coated lithium iron phosphate and preparation method and application thereof | |
| CN115312903B (en) | Method for preparing rate type lithium iron phosphate by regenerating waste lithium iron phosphate | |
| CN116130692B (en) | Recycling method of waste vanadium battery electrolyte | |
| CN114142077B (en) | Method for preparing vanadium sulfide by utilizing failure vanadium electrolyte |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200306 |