KR101066166B1 - 폐리튬이온전지로부터의 코발트 회수방법 - Google Patents
폐리튬이온전지로부터의 코발트 회수방법 Download PDFInfo
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- KR101066166B1 KR101066166B1 KR20090112706A KR20090112706A KR101066166B1 KR 101066166 B1 KR101066166 B1 KR 101066166B1 KR 20090112706 A KR20090112706 A KR 20090112706A KR 20090112706 A KR20090112706 A KR 20090112706A KR 101066166 B1 KR101066166 B1 KR 101066166B1
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- cobalt
- lithium ion
- ion battery
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 33
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 32
- 239000010941 cobalt Substances 0.000 title claims abstract description 32
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 35
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000002386 leaching Methods 0.000 claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 24
- 238000000638 solvent extraction Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 17
- 238000004448 titration Methods 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims description 48
- 239000002904 solvent Substances 0.000 claims description 48
- 229910052602 gypsum Inorganic materials 0.000 claims description 20
- 239000010440 gypsum Substances 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- -1 2-ethyl hexyl Chemical group 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 239000004808 2-ethylhexylester Substances 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 238000007127 saponification reaction Methods 0.000 abstract description 9
- QUXFOKCUIZCKGS-UHFFFAOYSA-N bis(2,4,4-trimethylpentyl)phosphinic acid Chemical compound CC(C)(C)CC(C)CP(O)(=O)CC(C)CC(C)(C)C QUXFOKCUIZCKGS-UHFFFAOYSA-N 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 229910003251 Na K Inorganic materials 0.000 description 5
- 238000000658 coextraction Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 238000010979 pH adjustment Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 239000006184 cosolvent Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 229910020632 Co Mn Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000006182 cathode active material Substances 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 2
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Images
Classifications
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/043—Sulfurated acids or salts thereof
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
-
- 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
- C22B7/007—Wet processes by acid leaching
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Secondary Cells (AREA)
Abstract
Description
용액분석결과 | Co | Li | Ni | Cu | Fe | Al | Mn | Na |
반응전 | 14600 | 2230 | 27.34 | 1.95 | 1.37 | 0.92 | 12.07 | 4060 |
반응후 | 14430 | 2180 | 26.94 | 0.95 | 0.638 | 0.41 | 2.104 | 3940 |
제거율(%) | 1.16 | 2.24 | 1.46 | 51.28 | 53.43 | 55.43 | 82.57 | 2.96 |
Co | Li | Ni | Fe | Mn | Cu | Al | Ca | Na | K | pH | |
실시예 1-1 | 24880 | 3000 | 37.94 | 159.5 | 16.06 | 782.7 | 1800 | 13 | 37.6 | 6.45 | 0.17 |
실시예 1-2 | 13800 | 2040 | 14.84 | 0.429 | 5.75 | 0.422 | 3.4 | 480 | 4200 | 239.1 | 6.58 |
실시예 1-3 | 9425 | 912 | 15.74 | 0.52 | 3.1 | 0.247 | 0.214 | 430 | 1570 | 75.4 | 5.72 |
제거율(%) | 6.7 | 1.6 | 19.4 | 99.4 | 55.1 | 99.9 | 99.8 | - | - | - | - |
시간 | Co | Li | Ni | Cu | Fe | Mn | Na | K | pH |
2 | 316.7 | 2150 | 10.43 | 0.549 | 0.515 | 0.272 | 12080 | 9.34 | 6.28 |
3 | 118.6 | 1730 | 3.898 | 0.535 | 0.487 | 0.169 | 13150 | 7.65 | 6.87 |
4 | 33.15 | 1609 | 2.319 | 0.465 | 0.465 | 0.134 | 12890 | 10.94 | 6.97 |
5 | 7.115 | 1662 | 1.439 | 0.447 | 0.482 | 0.132 | 12920 | 7.56 | 6.96 |
6 | 3.171 | 1870 | 1.247 | 0.411 | 0.489 | 0.14 | 12410 | 7.62 | 7.08 |
7 | 2.291 | 2430 | 1.285 | 0.384 | 0.507 | 0.161 | 12310 | 8.12 | 6.91 |
8 | 1.654 | 2560 | 1.617 | 0.402 | 0.539 | 0.178 | 12650 | 8.8 | 6.9 |
시간 | Co | Li | Ni | Cu | Fe | Mn | Na | K |
2 | 38420 | 10.2 | 1.842 | 10.5 | 1.234 | 5.47 | 59.7 | 1.878 |
3 | 41920 | 9.27 | 1.878 | 10.97 | 1.604 | 5.62 | 59.3 | 1.416 |
4 | 49440 | 10.3 | 1.921 | 11.42 | 1.526 | 5.95 | 53.2 | 2.037 |
5 | 58390 | 17.3 | 2.354 | 11.23 | 1.261 | 6.64 | 51.7 | 1.454 |
6 | 70070 | 18.7 | 2.431 | 12.27 | 1.16 | 7.52 | 30.8 | 2.002 |
7 | 73470 | 21.6 | 2.649 | 11.82 | 1.067 | 7.43 | 19.8 | 1.34 |
8 | 81240 | 22.0 | 2.663 | 12.34 | 1.063 | 8.72 | 17.8 | 0.833 |
Co | Li | Ni | Cu | Fe | Mn | Al | Na | Ca | 불순물합 | |
탈거액 | 96000 | 3.4 | 1.6 | 1.1 | 2.3 | 22 | 4 | 11.7 | 4.1 | 50.2 |
mg/L | Co | Li | Ni | pH | |
원액 | 19420 | 2010 | 26.42 | 7.17 | |
30% |
1단 Raffinate | 18550 | 2050 | 25.64 | 3.97 |
2단 Raffinate | 2536 | 2540 | 45.7 | 4.6 | |
35% |
1단 Raffinate | 14670 | 2480 | 59.36 | 4.33 |
2단 Raffinate | 2.10 | 2390 | 8.465 | 6.49 | |
40% |
1단 Raffinate | 9300 | 3230 | 66.79 | 4.22 |
2단 Raffinate | 0.13 | 1720 | 1.003 | 7.05 | |
50% |
1단 Raffinate | 3020 | 2.82 | 0.0673 | 5.2 |
2단 Raffinate | 0.12 | 1.704 | 0.00087 | 7.03 |
Co | Mn | Fe | Ni | Li | Cu | Na | K | 불순물합 | |
pH 조절잔사(원시료) % | 3.03 | 0.0325 | 0.105 | 0.0595 | 0.0285 | 1.684 | 0.0956 | 0.0074 | 5.0425 |
Co | Mn | Fe | Ni | Li | Cu | Na | K | 불순물합 | |
회수된 석고의 순도 (%) | 0.003 | 0.001 | 0.0128 | 0.0057 | 0.0015 | 0.0046 | 0.0205 | 0.0056 | 0.0547 |
Co | Mn | Fe | Ni | Li | Cu | Na | K | 비고 | |
불순물 제거율 | 99.83 | 94.46 | 86.67 | 90.92 | 94.04 | 99.52 | 76.15 | 20.27 |
종류 | 산세 후 Na농도 | 수세 후 Na농도 | 수세 후 pH |
산세 및 수세를 거친 용매 시료 | 0.2 | 0.2 | 3.02 |
Claims (9)
- 다음 단계를 포함하는, 폐리튬이온전지로부터의 코발트 회수방법:(a) 폐리튬이온전지 분말을 황산환원침출하는 단계;(b) 상기 (a) 단계에서 황산환원침출한 후 수득한 침출용액을 중화적정하여 불순물을 제거하는 단계;(c) 상기 (b) 단계에서 중화적정된 침출용액에 산화제를 첨가하여 Mn을 제거하는 단계;(d) 상기 (c) 단계에서 Mn이 제거된 용액을 용액과 잔사로 고액분리하는 단계; 및(e) 상기 (d) 단계에서 고액분리된 용액을 용매추출 및 역추출하여 코발트를 회수하는 단계.
- 제1항에 있어서, 상기 (b)단계의 중화적정은 CaO, Ca(OH)2 및 CaCO3로 구성된 군에서 선택되는 칼슘화합물; NaOH 또는 NH4OH인 알칼리용액; 및 이들의 혼합물로 구성된 군에서 선택되는 물질에 의해 pH 5.5~6.5로 조정되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (b) 단계의 불순물은 Fe, Cu, Al 및 이들의 혼합물로 구성된 군에서 선택되는 것을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (d) 단계의 산화제는 공기, 산소, 오존, KMnO4 및 NaClO으로 구성된 군에서 선택되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (d)단계에서 고액분리된 잔사를 수세척한 후, 상기 잔사 내에 함유되어 있는 잔여 코발트를 회수하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 수세척된 잔사를 산세척하여 석고를 회수하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (e)단계의 용매추출시 사용되는 용매는 di-2-ethyl hexyl phosporic acid 계 용매, 2-ethyl hexyl phosponic acid 계 용매, mono-2-ethyl hexyl ester 계 용매, di-2,4,4-trimethyl penthyl phosphpinic acid 계 용매, di-2-ethyl hexyl phospinic acid 계 용매, di-2,4,4-trimethyl penthyl dithiophosphpinic acid 계 용매 및 di-2,4,4-trimethyl penthyl monothiophosphpinic acid 계 용매로 구성된 군에서 선택되는 것을 특징으로 하는 방법.
- 제7항에 있어서, 상기 용매는 알칼리용액에 의해 비누화된 것을 특징으로 하는 방법.
- 제8항에 있어서, 상기 용매는 30~50% 비누화된 용매인 것을 특징으로 하는 방법.
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KR20220155760A (ko) | 2021-05-17 | 2022-11-24 | 목포대학교산학협력단 | 폐리튬이온전지로부터 유가 금속 회수 방법 |
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