CN102242267A - Method for recycling valuable metal in manganese-rich slag - Google Patents
Method for recycling valuable metal in manganese-rich slag Download PDFInfo
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- CN102242267A CN102242267A CN2011101599825A CN201110159982A CN102242267A CN 102242267 A CN102242267 A CN 102242267A CN 2011101599825 A CN2011101599825 A CN 2011101599825A CN 201110159982 A CN201110159982 A CN 201110159982A CN 102242267 A CN102242267 A CN 102242267A
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- Prior art keywords
- manganese
- sulfate
- valuable metal
- manganese sulfate
- solution
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- 238000000034 method Methods 0.000 title claims abstract description 25
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 20
- 239000011572 manganese Substances 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 239000002893 slag Substances 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 21
- 229940099596 manganese sulfate Drugs 0.000 claims abstract description 14
- 235000007079 manganese sulphate Nutrition 0.000 claims abstract description 14
- 239000011702 manganese sulphate Substances 0.000 claims abstract description 14
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 13
- ISPYRSDWRDQNSW-UHFFFAOYSA-L manganese(II) sulfate monohydrate Chemical compound O.[Mn+2].[O-]S([O-])(=O)=O ISPYRSDWRDQNSW-UHFFFAOYSA-L 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001953 recrystallisation Methods 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 8
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract 4
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 11
- 239000010413 mother solution Substances 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 8
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000002386 leaching Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 description 18
- 239000010941 cobalt Substances 0.000 description 18
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 7
- INPLXZPZQSLHBR-UHFFFAOYSA-N cobalt(2+);sulfide Chemical compound [S-2].[Co+2] INPLXZPZQSLHBR-UHFFFAOYSA-N 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- LVIYYTJTOKJJOC-UHFFFAOYSA-N nickel phthalocyanine Chemical compound [Ni+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 LVIYYTJTOKJJOC-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- -1 nickeliferous Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for recycling a valuable metal in manganese-rich slag. The method comprises the following process steps of: a, leaching out the manganese-rich slag by using a sulfuric acid solution with a concentration of 50-250g/L according to a ratio of solid to liquid of 1:1-1:5, and converting into a sulfate solution; b, carrying out constant-temperature crystallization on the leached sulfate solution at 180-250 DEG C for 10-30min; c, filtering at 180-250 DEG C to obtain a crystallization master liquid and manganese sulfate crystals; d, cooling down the manganese sulfate crystals to 20-50 DEG C for dissolving, and filtering to obtain a pure manganese sulfate solution; e, carrying out constant-temperature recrystallization on the pure manganese sulfate solution at 180-200 DEG C for 10-30min, filtering at 180-200 DEG C and drying the crystals to obtain manganese sulfate monohydrate crystals; and f, settling the filtered crystallization master liquid in the step c by using sodium sulfide with 2-5 times of theoretical amount to obtain a sulfate sediment. According to the method disclosed by the invention, the valuable metal in the manganese-rich slag is recycled by using a high-temperature recrystallization method, the recycling rate of the valuable metal is high, and the recycled valuable metal can be recycling with a responsive crude ore, thus the recycling process flow of is shortened, and the production cost is reduced.
Description
Technical field
The present invention relates to chemical industry, hydrometallurgy field, particularly a kind of method of recycling valuable metal in the rich manganese slag.
Background technology
At present when handling the ore of valuable metals such as nickeliferous, cobalt, copper, zinc, manganese, usually adopt extraction process that valuable metals such as the nickel in the ore, cobalt, copper are extracted, produce relevant nickel, cobalt, copper valuable metal product, in leaching process, isolated zinc, manganese solution (carrying valuable metals such as part of nickel, cobalt, copper secretly) are rich manganese slag with carbonate deposition, reclaim cobalt, copper through pyrogenic attack then, zinc wherein vapors away in the pyrogenic process removal process, and manganese is abandoned or adopted by slag making.This method exists recovery rate of valuable metals low, problem such as energy consumption height, environmental pollution are serious; Also having with isolated zinc, the manganese solution that contains the valency metal is raw material, adopts the technology of multistep extraction, reclaims organo-metallic wherein.There are problems such as technical process is long, production cost is high, production environment difference in this method.
Summary of the invention
Technical problem to be solved by this invention is the problem that exists at existing treatment process, a kind of method that adopts the high temperature recrystallization method to recycle valuable metal in the rich manganese slag is provided, reclaim technical process to shorten, reduce production costs, improve recovery rate of valuable metals.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of method of recycling valuable metal in the rich manganese slag, its processing step is as follows:
A is the sulphuric acid soln of rich manganese slag with 50～250g/L, is that the ratio of 1:1～1:5 leaches in solid-to-liquid ratio, is converted into sulfate liquor;
B with the sulfate liquor that leaches at 180 ℃～250 ℃ following thermostatical crystallization 10min～30min;
C filters down at 180 ℃～250 ℃, gets crystalline mother solution and manganous sulfate crystal;
D is cooled to 20 ~ 50 ℃ with the manganous sulfate crystal and makes its dissolving, filter purified manganese sulfate solution;
E under 180 ℃～200 ℃, behind constant temperature recrystallization 10min～30min, filters purified manganese sulfate solution down at 180 ℃～200 ℃, with the crystal drying, gets the manganese sulfate monohydrate crystal;
The crystalline mother solution that f the filters out c sodium sulphite precipitation of 2 ~ 5 times of theoretical amount gets sulfide precipitation.
The present invention adopts the high temperature recrystallization method to recycle valuable metal in the rich manganese slag, and recovery rate of valuable metals height, the valuable metal that is recovered to can be incorporated in the raw ore of response and reclaim, and have shortened the recovery technical process, reduce production costs.
Embodiment:
Embodiment 1:
The manganous carbonate slag 1kg that a will contain 5% nickel, cobalt, copper, zinc leaches with the sulfuric acid of 5kg 50g/L, the sulfate liquor of nickeliferous, cobalt, copper, zinc, manganese;
B with the sulfate liquor that leaches under 180 ℃, thermostatical crystallization 10min;
C filters down at 180 ℃, the crystalline mother solution and the manganese sulfate monohydrate crystal of nickeliferous, cobalt, copper, zinc;
D is cooled to 50 ℃ with manganese sulfate monohydrate crystal ordinary method and makes its dissolving, filter purified manganese sulfate solution;
E under 180 ℃, behind the constant temperature recrystallization 10min, filters purified manganese sulfate solution down at 180 ℃, and drying gets the manganese sulfate monohydrate crystal;
F precipitates the crystalline mother solution of nickeliferous, cobalt, copper, zinc with 120g sodium sulphite, get the mixed precipitation of cobaltous sulfide, cupric sulfide, nickelous sulfide, zinc sulphide, this precipitation is returned in cobaltous sulfide or cupric sulfide or the nickel sulfide ores reclaimed.
Embodiment 1 result is as shown in table 1:
Table 1 embodiment 1 result
Embodiment 2:
A will contain the sulfuric acid leaching of the rich manganese slag 5kg of 1% nickel, cobalt with 5kg250g/L, get the sulfate liquor of nickel and cobalt containing manganese;
B with the sulfate liquor that leaches under 250 ℃, thermostatical crystallization 30min;
C filters down at 250 ℃, gets crystalline mother solution and anhydrous manganous sulfate crystal nickeliferous, cobalt;
D is cooled to 20 ℃ with anhydrous manganous sulfate crystal ordinary method and makes its dissolving, filter purified manganese sulfate solution;
E under 200 ℃, behind the constant temperature recrystallization 30min, filters purified manganese sulfate solution down at 200 ℃, and drying gets the manganese sulfate monohydrate crystal;
F with the crystalline mother solution of nickel and cobalt containing with 330g sodium sulphite precipitation, the mixed sulphide precipitation of nickelous sulfide cobalt, the mixed sulphide precipitation of nickelous sulfide cobalt is returned in the ore of cobaltous sulfide or nickelous sulfide and is reclaimed.
Embodiment 2 results are as shown in table 2:
Table 2 embodiment 2 results
Embodiment 3:
A will contain the sulfuric acid leaching of the rich manganese slag 5kg of 2% cobalt with 10kg200g/L, must contain the sulfate liquor of cobalt manganese;
B with the sulfate liquor that leaches under 200 ℃, thermostatical crystallization 25min;
C filters down at 200 ℃, must contain the crystalline mother solution and the mixture crystal that contains manganese sulfate monohydrate and anhydrous manganous sulfate of cobalt;
D will mix the manganous sulfate crystal and be cooled to 40 ℃ and make its dissolving, filter purified manganese sulfate solution
E under 195 ℃, behind the constant temperature recrystallization 25min, filters purified manganese sulfate solution down at 195 ℃, and drying gets the manganese sulfate monohydrate crystal;
The crystalline mother solution that f will contain cobalt precipitates with 400g sodium sulphite, gets the precipitation of cobaltous sulfide, the cobaltous sulfide precipitation is returned in the cobaltous sulfide ore reclaimed.
Embodiment 3 results are as shown in table 3:
Table 3 embodiment 3 results
Claims (1)
1. method of recycling valuable metal in the rich manganese slag, its processing step is as follows:
A, with the sulphuric acid soln of rich manganese slag with 50～250g/L, be that the ratio of 1:1～5 leaches in solid-to-liquid ratio, be converted into sulfate liquor;
B, with the sulfate liquor that leaches at 180 ℃～250 ℃ following thermostatical crystallization 10min～30min;
C, filtration under 180 ℃～250 ℃ get crystalline mother solution and manganous sulfate crystal;
D, the manganous sulfate crystal be cooled to 20 ~ 50 ℃ make its dissolving, filter purified manganese sulfate solution;
E, with purified manganese sulfate solution under 180 ℃～200 ℃, behind constant temperature recrystallization 10min～30min, filter down at 180 ℃～200 ℃, with the crystal drying, the manganese sulfate monohydrate crystal;
F, crystalline mother solution that c is filtered out be with the sodium sulphite precipitation of 2 ~ 5 times of theoretical amount, sulfide precipitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101599825A CN102242267A (en) | 2011-06-15 | 2011-06-15 | Method for recycling valuable metal in manganese-rich slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101599825A CN102242267A (en) | 2011-06-15 | 2011-06-15 | Method for recycling valuable metal in manganese-rich slag |
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| Publication Number | Publication Date |
|---|---|
| CN102242267A true CN102242267A (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101599825A Pending CN102242267A (en) | 2011-06-15 | 2011-06-15 | Method for recycling valuable metal in manganese-rich slag |
Country Status (1)
| Country | Link |
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| CN (1) | CN102242267A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605187A (en) * | 2011-10-10 | 2012-07-25 | 云南建水锰矿有限责任公司 | Method for producing manganese sulfate by manganese-rich slag through pressure leaching |
| CN104060100A (en) * | 2014-05-08 | 2014-09-24 | 无锡市阳泰冶金炉料有限公司 | Process method of extracting metal manganese from manganese-enriched slag |
| CN110499422A (en) * | 2019-09-17 | 2019-11-26 | 贵州大学 | A kind of method that manganese-rich slag extracts metal manganese |
| CN111647742A (en) * | 2020-06-03 | 2020-09-11 | 矿冶科技集团有限公司 | Method for extracting nickel, cobalt and manganese from nickel-cobalt-manganese multi-metal oxide ore by wet process step by step |
| CN116694933A (en) * | 2023-07-31 | 2023-09-05 | 甘肃睿思科新材料有限公司 | Method for recycling nickel cobalt lithium manganate waste by wet method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803633A (en) * | 2005-11-10 | 2006-07-19 | 杜祖德 | Method for producing manganese sulphate by high temperature crystallization process |
| CN101224908A (en) * | 2007-01-20 | 2008-07-23 | 广西双德锰业有限公司 | Method for producing manganese sulfate by high-temperature crystallization process |
| CN101270415A (en) * | 2007-03-22 | 2008-09-24 | 日矿金属株式会社 | Method for recovering precious metals from battery slag containing Co, Ni, Mn |
| CN101871048A (en) * | 2010-06-25 | 2010-10-27 | 浙江华友钴业股份有限公司 | Method for recovering cobalt, nickel and manganese from waste lithium cells |
-
2011
- 2011-06-15 CN CN2011101599825A patent/CN102242267A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803633A (en) * | 2005-11-10 | 2006-07-19 | 杜祖德 | Method for producing manganese sulphate by high temperature crystallization process |
| CN101224908A (en) * | 2007-01-20 | 2008-07-23 | 广西双德锰业有限公司 | Method for producing manganese sulfate by high-temperature crystallization process |
| CN101270415A (en) * | 2007-03-22 | 2008-09-24 | 日矿金属株式会社 | Method for recovering precious metals from battery slag containing Co, Ni, Mn |
| CN101871048A (en) * | 2010-06-25 | 2010-10-27 | 浙江华友钴业股份有限公司 | Method for recovering cobalt, nickel and manganese from waste lithium cells |
Non-Patent Citations (1)
| Title |
|---|
| 汪锦瑞等: "富锰渣制备工业硫酸锰的工艺研究", 《中国锰业》, vol. 26, no. 4, 30 November 2008 (2008-11-30), pages 24 - 26 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605187A (en) * | 2011-10-10 | 2012-07-25 | 云南建水锰矿有限责任公司 | Method for producing manganese sulfate by manganese-rich slag through pressure leaching |
| CN102605186A (en) * | 2011-10-10 | 2012-07-25 | 云南建水锰矿有限责任公司 | Method for producing manganese sulfate from manganese-rich slag through atmospheric pressure leaching |
| CN104060100A (en) * | 2014-05-08 | 2014-09-24 | 无锡市阳泰冶金炉料有限公司 | Process method of extracting metal manganese from manganese-enriched slag |
| CN104060100B (en) * | 2014-05-08 | 2016-08-24 | 无锡市阳泰冶金炉料有限公司 | The process of manganese metal is extracted from Mn-rich slag |
| CN110499422A (en) * | 2019-09-17 | 2019-11-26 | 贵州大学 | A kind of method that manganese-rich slag extracts metal manganese |
| CN111647742A (en) * | 2020-06-03 | 2020-09-11 | 矿冶科技集团有限公司 | Method for extracting nickel, cobalt and manganese from nickel-cobalt-manganese multi-metal oxide ore by wet process step by step |
| CN116694933A (en) * | 2023-07-31 | 2023-09-05 | 甘肃睿思科新材料有限公司 | Method for recycling nickel cobalt lithium manganate waste by wet method |
| CN116694933B (en) * | 2023-07-31 | 2024-10-01 | 甘肃睿思科新材料有限公司 | Method for recycling nickel cobalt lithium manganate waste by wet method |
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Application publication date: 20111116 |