CN114759285A - Treatment method of waste lithium ion battery leachate - Google Patents
Treatment method of waste lithium ion battery leachate Download PDFInfo
- Publication number
- CN114759285A CN114759285A CN202210376537.2A CN202210376537A CN114759285A CN 114759285 A CN114759285 A CN 114759285A CN 202210376537 A CN202210376537 A CN 202210376537A CN 114759285 A CN114759285 A CN 114759285A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- leachate
- ion battery
- waste lithium
- treating
- 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.)
- Granted
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 47
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000012535 impurity Substances 0.000 claims abstract description 25
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 20
- 239000008139 complexing agent Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 claims abstract 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- 150000001721 carbon Chemical class 0.000 claims description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 3
- 101710194948 Protein phosphatase PhpP Proteins 0.000 claims description 3
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052744 lithium Inorganic materials 0.000 abstract description 13
- 238000002386 leaching Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- SFZULDYEOVSIKM-UHFFFAOYSA-N chembl321317 Chemical group C1=CC(C(=N)NO)=CC=C1C1=CC=C(C=2C=CC(=CC=2)C(=N)NO)O1 SFZULDYEOVSIKM-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Primary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of battery recovery, and discloses a method for treating a leachate of a waste lithium ion battery, which comprises the following steps: adding a complexing agent into the leachate of the waste lithium ion battery, and constructing an electrolytic tank with an electrolysis counter electrode; and (3) alternately applying asymmetric forward voltage and reverse voltage to the electrolytic cell until the concentration of impurity metal ions in the leachate of the waste lithium ion battery reaches the expectation. The method for removing the metal impurity ions in the lithium ion battery leaching solution can solve the problems of low impurity removal efficiency, serious loss of valuable metal lithium and great environmental pollution in the prior art.
Description
Technical Field
The invention belongs to the technical field of battery recovery, and particularly relates to purification and impurity removal of lithium-containing leachate.
Background
The recycling of the waste lithium ion battery is a necessary requirement for realizing long-term sustainable development in China. The method for treating the waste lithium ion battery in the current battery enterprise comprises the following steps: firstly, obtaining anode powder through pretreatment, then, carrying out heat treatment on the anode powder to obtain a baked material, and carrying out acid leaching, washing, impurity removal, extraction, lithium precipitation and other steps on the baked material to obtain battery-grade lithium carbonate and other valuable metal salts. In order to obtain high-purity battery-grade lithium carbonate (YST 582-.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a method for treating the leachate of the waste lithium ion battery, which has the advantages of simple process flow, environmental protection, no pollution, high impurity ion removal efficiency and low loss of valuable element lithium.
Carrying out processes of discharging, disassembling, removing a current collector, floating and the like on the waste lithium ion battery to obtain positive active substance powder of the waste lithium ion battery; the anode active material powder of the waste lithium ion battery is leached by a wet method to obtain lithium-containing ions and a small amount of impurity metal ions such as Al3+、Cu2+、Fe2+、Fe3+The leachate of the waste lithium ion battery.
In order to achieve the above object, the present invention specifically provides the following technical solutions.
A treatment method of a waste lithium ion battery leachate comprises the following steps: adding a complexing agent into the leachate of the waste lithium ion battery, and constructing an electrolytic tank with an electrolytic counter electrode; and (3) alternately applying asymmetric forward voltage and reverse voltage to the electrolytic cell until the concentration of impurity metal ions in the leachate of the waste lithium ion battery reaches the expectation.
The complexing agent and the impurity metal ions form a negatively charged complex, and the negatively charged impurity metal complex and the lithium ions migrate in opposite directions by applying a positive voltage to form a lithium ion-rich region and an impurity ion-rich region at the cathode and the anode, respectively. Applying reverse voltage to the carbon rod electrode in the impurity ion enriching region to obtain electrons, and performing reduction reaction to reduce and deposit impurity metal ions on the carbon rod electrode; the carbon rod electrode in the lithium ion enrichment area loses electrons, oxidation reaction occurs, and water is decomposed to generate oxygen.
Further, in some preferred embodiments of the present invention, the complexing agent is at least one of EDTA (ethylenediaminetetraacetic acid), EDTA-2Na (disodium ethylenediaminetetraacetic acid), STPP (sodium tripolyphosphate), and H-501 (organic polyphosphoric acid polymer), and more preferably EDTA.
Further, in some preferred embodiments of the present invention, the ratio of the added molar amount of the complexing agent to the molar amount of the impurity metal ions is 0.3 to 1.2: 1.
further, in some preferred embodiments of the present invention, the counter electrode is a modified carbon rod electrode or an inert electrode.
Further, the inert electrode is a platinum electrode.
The counter electrode is preferably a modified carbon rod electrode which can improve the reduction potential of the impurity metal ions.
Further, in some preferred embodiments of the present invention, the forward voltage is 3 to 7V, preferably 3 to 5V; the reverse voltage is 6-14V, preferably 10-14V.
Further, in some preferred embodiments of the present invention, the duration of the forward voltage is less than the duration of the reverse voltage.
Furthermore, the duration time of the forward voltage is 0.2-0.7 ms, and the duration time of the reverse voltage is 1-3 ms.
Further, in some preferred embodiments of the present invention, the method further comprises the following steps: introducing CO into the leachate of the waste lithium ion battery with the impurity metal ion concentration of less than 10ppm2Then evaporating and concentrating to obtain lithium carbonate and a concentrated solution containing a complexing agent; and recycling the concentrated solution containing the complexing agent.
The method removes the impurity metal ions in the leachate of the waste lithium ion battery by applying the asymmetric alternating voltage, and has the following obvious beneficial effects:
(1) the process for separating and purifying the leachate of the waste lithium ion battery is simple, the use of a large amount of chemical additives in the traditional chemical precipitation process is avoided, the environment is protected, the separation and purification cost is greatly reduced, and the economic benefit is greater;
(2) various metal ion impurities such as Cu possibly contained in the leachate of the waste lithium ion battery2+、 Al3+、 Fe2+、 Fe3+、 Ni2+、 Co2+、 Mn2+、 Ca2+、 Mg2+The method has good removing effect, and the whole process can not cause lithium element loss.
Drawings
FIG. 1 is a schematic diagram of the application of an asymmetric alternating voltage.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
FIG. 1 is a schematic diagram of the following example with asymmetric alternating voltage applied, with alternating forward and reverse voltages, cyclically alternating.
Example 1
The contents of the main metal ions in the leachate of the waste lithium battery to be treated are shown in table 1.
TABLE 1
Adding 6 g of EDTA solid into 100 ml of waste lithium ion battery leachate, and stirring and dissolving in water bath at 60 ℃. Then the carbon rod electrode and a modified carbon rod electrode with amidoxime functional groups form an electrolytic bath. The voltage of 0.5 ms forward direction 5V is applied to the electrolytic cell, and then the voltage of 2 ms reverse direction 10V is applied to the electrolytic cell, and the steps are alternately repeated for 30 min. The concentration of the main metal ions in the leachate of the waste lithium ion battery is detected, and the result is shown in table 2.
TABLE 2
Comparing the data in tables 1 and 2, it can be seen that Li+The removal rate of (2) was 0.16%, Cu2+The removal rate of (2) was 99.54%, and Al was contained3+The removal rate of (2) was 73.03%, and the removal rate of Fe ions was 97.51%. The removal rate of impurity ions is very high, and the loss of valuable lithium is very small.
Example 2
The contents of main metal ions in the leachate of the waste lithium batteries to be treated are shown in table 3.
TABLE 3
Adding 6 g of EDTA-2Na solid into 100 ml of the waste lithium ion battery leachate, and stirring and dissolving at normal temperature. Then the electrolytic cell is formed by the electrode and a modified carbon rod electrode with amidoxime functional groups. The voltage of 6V in forward direction was applied for 0.4 ms, and then 13V in reverse direction was applied for 1.5 ms, and the process was repeated alternately for 30 min. The concentration of the main metal ions in the leachate of the waste lithium ion battery is detected, and the result is shown in table 4.
TABLE 4
Comparing the data in tables 3 and 4, it can be seen that Li+The removal rate of (2) was 0.25%, Cu2+The removal rate of (1) was 99.56%, and Al was contained3+The removal rate of (2) was 79.81%, and the removal rate of Fe ions was 96.03%. The removal rate of impurity ions is very high, and the loss of valuable lithium is very small.
Example 3
The contents of main metal ions in the leachate of the waste lithium batteries to be treated are shown in table 5.
TABLE 5
Adding 7 g of STPP solid into 100 ml of waste lithium ion battery leachate, and stirring and dissolving in a water bath at normal temperature. Then the carbon rod electrode and a modified carbon rod electrode with amidoxime functional groups form an electrolytic bath. The voltage of 0.7ms forward direction 4V is applied to the electrolytic cell, and then the voltage of 3 ms reverse direction 7V is applied to the electrolytic cell, and the steps are alternately repeated for 30 min. The concentration of the main metal ions in the leachate of the waste lithium ion battery is detected, and the result is shown in table 6.
TABLE 6
Comparing the data in tables 5 and 6, it can be seen that Li+The removal rate of (2) was 0.14%, Cu2+The removal rate of (2) was 99.57%, and Al was contained3+The removal rate of (2) was 46.98%, and the removal rate of Fe ions was 63.81%. The removal rate of impurity ions is very high, and the loss of valuable lithium is very small.
Example 4
The contents of main metal ions in the leachate of the waste lithium batteries to be treated are shown in table 7.
TABLE 7
Adding 6 g of EDTA solid into 100 ml of waste lithium ion battery leachate, and stirring and dissolving in water bath at 60 ℃. Then the carbon rod electrode and a modified carbon rod electrode with amidoxime functional groups form an electrolytic bath. The voltage of 0.5 ms forward direction 5V is applied to the electrolytic cell, and then the voltage of 2 ms reverse direction 10V is applied to the electrolytic cell, and the steps are alternately repeated for 30 min. The concentration of the main metal ions in the leachate of the waste lithium ion battery is detected, and the result is shown in table 8.
TABLE 8
Comparing the data in tables 7 and 8, it can be seen that Li+The removal rate of (2) was 0.19%, Cu2+The removal rate of (2) was 99.55%, and Al was contained3+The removal rate of (2) was 72.20%, the removal rate of Fe ions was 99.48%, and Ni2+The removal rate of (3) was 81.02%, Co2+The removal rate of (2) was 87.20%, and Mn was2+The removal rate of (2) is 85.59%, the removal rate of impurity ions is very high, and the loss of valuable lithium is very small.
The invention has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to be construed in a limiting sense. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present invention and its embodiments without departing from the spirit and scope of the present invention, which fall within the scope of the present invention.
Claims (10)
1. A treatment method of a leachate of a waste lithium ion battery is characterized by comprising the following steps: adding a complexing agent into the leachate of the waste lithium ion battery, and constructing an electrolytic tank with an electrolysis counter electrode; and (3) alternately applying asymmetric forward voltage and asymmetric reverse voltage to the electrolytic cell until the concentration of impurity metal ions in the leachate of the waste lithium ion battery reaches the expectation.
2. The method for treating the leachate of the waste lithium ion battery as claimed in claim 1, wherein the complexing agent is at least one of EDTA, EDTA-2Na, STPP and H-501.
3. The method for treating the leachate of the waste lithium ion battery as claimed in claim 1 or 2, wherein the ratio of the added molar amount of the complexing agent to the molar amount of the impurity metal ions is 0.3-1.2: 1.
4. the method for treating leachate of spent lithium ion batteries according to claim 1, wherein the counter electrode is a modified carbon rod electrode or an inert electrode.
5. The method according to claim 4, wherein the inert electrode is a platinum electrode.
6. The method for treating the leachate of the waste lithium ion battery as claimed in claim 1, wherein the forward voltage is 3-7V; the reverse voltage is 6-14V.
7. The method for treating leachate of spent lithium ion batteries according to claim 1, wherein the duration of the forward voltage is lower than the duration of the reverse voltage.
8. The method for treating the leachate of waste lithium ion batteries according to claim 7, wherein the duration of the forward voltage is 0.2 to 0.7ms, and the duration of the reverse voltage is 1 to 3 ms.
9. The method for treating the leachate of waste lithium ion batteries according to claim 1, further comprising the steps of: introducing CO into the leachate of the waste lithium ion battery with the expected concentration of impurity metal ions2Then evaporating and concentrating to obtain lithium carbonate and a concentrated solution containing a complexing agent.
10. The method for treating the leachate of the waste lithium ion battery as claimed in claim 1, wherein the concentrated solution containing the complexing agent is returned for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376537.2A CN114759285B (en) | 2022-04-11 | Treatment method of waste lithium ion battery leaching liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376537.2A CN114759285B (en) | 2022-04-11 | Treatment method of waste lithium ion battery leaching liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114759285A true CN114759285A (en) | 2022-07-15 |
| CN114759285B CN114759285B (en) | 2024-06-04 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043042A (en) * | 2022-12-27 | 2023-05-02 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Method for recycling gallium from gallium arsenide waste |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2189402C1 (en) * | 2001-02-21 | 2002-09-20 | Северо-Кавказский государственный технологический университет | Technology processing waste of hard alloys |
| CN102643993A (en) * | 2012-04-27 | 2012-08-22 | 福建金山黄金冶炼有限公司 | Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution |
| CN103199230A (en) * | 2013-03-20 | 2013-07-10 | 佛山市邦普循环科技有限公司 | Process for reversely recycling and preparing lithium nickel manganese oxide by taking waste lithium battery as raw material |
| JP2014015647A (en) * | 2012-07-06 | 2014-01-30 | Jx Nippon Mining & Metals Corp | Method for recovering cobalt |
| WO2018095162A1 (en) * | 2016-11-23 | 2018-05-31 | 肇庆市飞南金属有限公司 | Low energy consumption method for preparing electrolytic copper from copper-containing sludge |
| JP2021070843A (en) * | 2019-10-30 | 2021-05-06 | 住友金属鉱山株式会社 | Recovery method of copper, nickel, cobalt from waste lithium ion secondary battery |
| CN113652716A (en) * | 2021-09-13 | 2021-11-16 | 江西新金叶实业有限公司 | Process for electrolyzing high-nickel copper anode by adopting periodic reverse current |
| WO2022062675A1 (en) * | 2020-09-24 | 2022-03-31 | 广东邦普循环科技有限公司 | Method for recovering waste lithium battery positive electrode material |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2189402C1 (en) * | 2001-02-21 | 2002-09-20 | Северо-Кавказский государственный технологический университет | Technology processing waste of hard alloys |
| CN102643993A (en) * | 2012-04-27 | 2012-08-22 | 福建金山黄金冶炼有限公司 | Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution |
| JP2014015647A (en) * | 2012-07-06 | 2014-01-30 | Jx Nippon Mining & Metals Corp | Method for recovering cobalt |
| CN103199230A (en) * | 2013-03-20 | 2013-07-10 | 佛山市邦普循环科技有限公司 | Process for reversely recycling and preparing lithium nickel manganese oxide by taking waste lithium battery as raw material |
| WO2018095162A1 (en) * | 2016-11-23 | 2018-05-31 | 肇庆市飞南金属有限公司 | Low energy consumption method for preparing electrolytic copper from copper-containing sludge |
| JP2021070843A (en) * | 2019-10-30 | 2021-05-06 | 住友金属鉱山株式会社 | Recovery method of copper, nickel, cobalt from waste lithium ion secondary battery |
| WO2022062675A1 (en) * | 2020-09-24 | 2022-03-31 | 广东邦普循环科技有限公司 | Method for recovering waste lithium battery positive electrode material |
| CN113652716A (en) * | 2021-09-13 | 2021-11-16 | 江西新金叶实业有限公司 | Process for electrolyzing high-nickel copper anode by adopting periodic reverse current |
Non-Patent Citations (2)
| Title |
|---|
| CHOUBEY, PK 等: "Selective extraction and separation of Li, Co and Mn from leach liquor of discarded lithium ion batteries (LIBs)", 《WASTE MANAGEMENT》, 31 January 2021 (2021-01-31), pages 452 - 457 * |
| 郑雅杰;赵攀峰;王勇;吕重安;: "高电流密度电解对阴极铜质量的影响", 中南大学学报(自然科学版), no. 02, 26 April 2009 (2009-04-26), pages 53 - 58 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043042A (en) * | 2022-12-27 | 2023-05-02 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Method for recycling gallium from gallium arsenide waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108470951B (en) | Method for recovering valuable metals in waste nickel-cobalt-manganese ternary lithium ion battery | |
| CN108060308B (en) | Method and device for separating lithium from lithium-containing solution | |
| CN108911102B (en) | Method for recycling uranium in uranium-containing wastewater and underground water through efficient electrochemical reduction and enrichment | |
| KR101126286B1 (en) | Manufacturing method of lithium carbonate with high purity | |
| CN109112569B (en) | Production method for simultaneously preparing manganese metal and manganese dioxide by ion exchange membrane electrolysis method | |
| CN106823816A (en) | The electrochemistry recovery method of lithium in waste lithium cell positive electrode | |
| Zhang et al. | High-efficiency lithium isotope separation in an electrochemical system with 1-butyl-3-methylimidazolium dicyanamide, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, and diethyl carbonate as the solvents | |
| CN101914785A (en) | Method for recycling silver and copper from silver-copper alloy scrap | |
| CN101186376B (en) | Method for removing semimetal antimony ion from waste water | |
| CN103695961A (en) | Method for recovering rhenium, arsenic and copper from sulfuric acid wastewater of copper smelting flue gas purification system | |
| CN114243041A (en) | Regeneration method of waste vanadium energy storage medium | |
| CN111477986B (en) | Method for preparing ternary lithium ion battery precursor by electrolyzing sodium sulfate waste liquid | |
| CN113896361A (en) | Method for cleaning and disposing stainless steel pickling acid waste liquid and recycling resources | |
| CN109095688B (en) | Method for recovering chloride ions in wastewater | |
| CN112047546A (en) | Treatment process for wastewater containing nitrate nitrogen through anodic oxidation | |
| CN110747490B (en) | Zinc electrodeposition method | |
| CN109179801B (en) | Treatment method of trivalent chromium electroplating waste liquid | |
| CN114759285B (en) | Treatment method of waste lithium ion battery leaching liquid | |
| CN114759285A (en) | Treatment method of waste lithium ion battery leachate | |
| Pruksathorn et al. | Lead recovery from waste frit glass residue of electronic plant by chemical-electrochemical methods | |
| Pan et al. | Cleaner production of ammonium poly-vanadate by membrane electrolysis of sodium vanadate solution: The effect of membrane materials and electrode arrangements | |
| CN202499779U (en) | Nickel-containing washing water treatment equipment | |
| CN212640633U (en) | Copper electrolysis system | |
| CN210885448U (en) | Utilize electrodialysis technique coprocessing pickling waste liquid and electroplating sludge's device | |
| CN211998955U (en) | Ammonium sulfate evaporation mother liquor heavy metal purification device |
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 | ||
| GR01 | Patent grant |