CN109797295A - From the method for mentioning cobalt in concentrate containing ferro-cobalt - Google Patents
From the method for mentioning cobalt in concentrate containing ferro-cobalt Download PDFInfo
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- CN109797295A CN109797295A CN201910116904.3A CN201910116904A CN109797295A CN 109797295 A CN109797295 A CN 109797295A CN 201910116904 A CN201910116904 A CN 201910116904A CN 109797295 A CN109797295 A CN 109797295A
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- cobalt
- concentrate containing
- containing ferro
- leaching
- concentrate
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- 239000010941 cobalt Substances 0.000 title claims abstract description 110
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 110
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000012141 concentrate Substances 0.000 title claims abstract description 69
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000002386 leaching Methods 0.000 claims abstract description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000605 extraction Methods 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 230000001376 precipitating effect Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 239000012074 organic phase Substances 0.000 claims description 17
- 229910052720 vanadium Inorganic materials 0.000 claims description 16
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 4
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 3
- 229940039790 sodium oxalate Drugs 0.000 claims description 3
- 239000003978 infusion fluid Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
- 235000010755 mineral Nutrition 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 235000006408 oxalic acid Nutrition 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 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
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
- 229910001784 vanadium mineral Inorganic materials 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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 present invention relates to the methods that cobalt is mentioned from concentrate containing ferro-cobalt, belong to and mention cobalt chemical technology field.Present invention solves the technical problem that being that cobalt content is rare in iron ore concentrate, effectively cobalt therein cannot be extracted.The invention discloses the methods that cobalt is mentioned from concentrate containing ferro-cobalt, a part of concentrate containing ferro-cobalt is mixed with water, leaching agent is added to be leached to obtain cobalt-carrying solution, remaining concentrate containing ferro-cobalt is leached in batches using cobalt-carrying solution as leaching agent, the leachate obtained after leaching every time is used for the leaching of lower batch iron ore concentrate, high cobalt liquor is obtained, then obtains cobalt precipitating through extraction, back extraction, heavy cobalt.The present invention realizes the high efficiency extraction from cobalt in concentrate containing ferro-cobalt, and the leaching rate and stripping rate of cobalt are high, and simple process is easy-to-use, wide adaptation range, at low cost, has very high Social benefit and economic benefit.
Description
Technical field
The invention belongs to mention cobalt chemical technology field, and in particular to from the method for mentioning cobalt in concentrate containing ferro-cobalt.
Background technique
Cobalt has excellent physics, chemical property, is the weight of high temperature alloy, magnetic material, chemical industry etc.
Want raw material.The cobalt mineralss having found in nature have over one hundred kind, and industrial cobalt-containing ore is divided into sulphide ore and oxide ore two major classes,
Vulcanization cobalt ore generally passes through pyrometallurgical smelting and produces various cobalt products, and cobalt oxide ore is due to the cobalt/cobalt oxide that cobalt is high price, such as cobalt
Tu Kuang, heterogenite generally use reduction acid leaching process processing in addition to using pyrometallurgical smelting cobalt alloy.In addition to the smelting from cobalt ore
It refines outside Call Provision, cobalt is usually with other metallic ore associations, and such as association in nickel minerals, zinc ore, pyrite, in associated minerals, the recycling of cobalt has been
As the important sources of cobalt production, and in the smelting of associated minerals, cobalt is mostly with the by-product form output of cobalt slag, such as cobalt slag, so
Cobalt is extracted from cobalt slag by reducing leaching mode afterwards.
The reserves of China's vanadium occupy the 4th, the world, and national You10Duo Ge provinces and cities (area) have vanadium mineral resource, but main collection
In, explored vanadium quite abundant in Sichuan area and Chengde area, especially the vanadium reserves of Panzhihua Region
Nearly 10,000,000,000 tons of titanomagnetite reserves, vanadic anhydride reserves are 15,780,000 tons, and wherein cobalt content reaches 2,000,000 tons or more.
Cobalt content is very rare with respect to from the point of view of vanadium titano-magnetite total amount in vanadium titano-magnetite, therefore, if directly in vanadium titanium
It is very uneconomic that cobalt is extracted in magnetic iron ore.More feasible method is after extracting vanadium, for the iron ore concentrate after extraction vanadium
Further mention cobalt just.However, seldom being extracted to the mineral of such low content in actual conditions.
Summary of the invention
Present invention solves the technical problem that being that cobalt content is rare in iron ore concentrate, effectively cobalt therein cannot be extracted.
Technical proposal that the invention solves the above-mentioned problems is to provide the method that cobalt is mentioned from concentrate containing ferro-cobalt, including following step
It is rapid:
A, ferro-cobalt concentrate will be contained to be crushed, and will remove thicker particle；
B, a part of broken concentrate containing ferro-cobalt is mixed with water, leaching agent is added and is leached, after solid-liquor separation
To cobalt-carrying solution, the leaching agent is at least one of ferrous sulfate, sodium thiosulfate, sodium sulfite；
C, using cobalt-carrying solution obtained by step b as leaching agent, residue concentrate containing ferro-cobalt is leached in batches, is soaked every time
The leachate obtained after out is used for the leaching of lower batch iron ore concentrate, obtains high cobalt infusion solution such circulating leaching 10~20 times,
Extractant is added in high cobalt liquor, high cobalt organic phase is obtained；
D, high cobalt organic phase is stripped, obtains rich cobalt liquid, precipitating reagent is added, separation of solid and liquid obtains cobalt precipitating.
Wherein, concentrate containing ferro-cobalt is the iron ore concentrate after the vanadium extraction of high-temperature roasting sodium, and the condition of high-temperature roasting is 1200 DEG C of roastings
Burn 2h.
Wherein, the iron ore concentrate after vanadium extraction is less than 0.125mm through broken average particle size；Cobalt content is greater than in concentrate containing ferro-cobalt
0.01%.
Wherein, leaching process control pH is 0.2~0.8 in step b and step c；Extraction temperature is in step b and step c
20~80 DEG C.
Wherein, the liquid-solid ratio of step b water and iron ore concentrate is 1:1~4:1；Leaching agent and cobalt in concentrate containing ferro-cobalt in step b
The molar ratio of content is 2.0~10.0.
Wherein, mixing speed is 100~500r/min when leaching in step b and step c；When being leached in step b and step c
Between be 30~180min.
Wherein, extractant is P204, that is, di-(2-ethylhexyl)phosphoric acid ester in step c；The time of extraction be 10~
120min。
Wherein, stripping agent is sulfuric acid in step d, and concentration is 10%~20%.
Wherein, precipitating reagent is at least one of ammonium oxalate, sodium oxalate, potassium oxalate in step d.
Wherein, the molar ratio of precipitating reagent and cobalt in rich cobalt liquid is 1.5~3 in step d.
Beneficial effects of the present invention:
The present invention is leached using adaptable leaching agent, cooperates the mode of circulating leaching enriched in cobalt, finally uses one
Fixed extraction and anti-extraction process is realized and is mentioned from the efficient of cobalt in concentrate containing ferro-cobalt especially for the iron ore concentrate after vanadium extraction
It takes, the leaching rate and stripping rate of cobalt are high；Present invention process is easy to use, wide adaptation range, at low cost, has very high society
Benefit and economic benefit.
Specific embodiment
The present invention provides the method that cobalt is mentioned from concentrate containing ferro-cobalt, comprising the following steps:
A, ferro-cobalt concentrate will be contained to be crushed, and will remove thicker particle；
B, water is mixed with a part of broken concentrate containing ferro-cobalt, leaching agent is added and is leached, after solid-liquor separation
To cobalt-carrying solution, the leaching agent is at least one of ferrous sulfate, sodium thiosulfate, sodium sulfite；
C, using cobalt-carrying solution obtained by step b as leaching agent, residue concentrate containing ferro-cobalt is leached in batches, is soaked every time
The leachate obtained after out is used for the leaching of lower batch concentrate containing ferro-cobalt, obtains high cobalt liquor such circulating leaching 10~20 times,
Extractant is added in high cobalt liquor, high cobalt organic phase is obtained；
D, high cobalt organic phase is stripped, obtains rich cobalt liquid, precipitating reagent is added, separation of solid and liquid obtains cobalt precipitating.
Wherein, concentrate containing ferro-cobalt is the iron ore concentrate after the vanadium extraction of high-temperature roasting sodium, and the condition of high-temperature roasting is 1200 DEG C of roastings
Burn 2h.
Wherein, concentrate containing ferro-cobalt is less than 0.125mm through broken average particle size；Cobalt content is greater than in concentrate containing ferro-cobalt
0.01%.
Wherein, leaching process control pH is 0.2~0.8 in step b and step c；Extraction temperature is in step b and step c
20~80 DEG C.
Wherein, the liquid-solid ratio of step b water and iron ore concentrate is 1:1~4:1；Leaching agent contains with the cobalt of concentrate containing ferro-cobalt in step b
The molar ratio of amount is 2.0~10.0.
Wherein, mixing speed is 100~500r/min when leaching in step b and step c；Step b and step c extraction time
For 30~180min.
Wherein, extractant is P204 in step c, and specially P204 is dissolved in kerosene, mass fraction control 10~
20%；The time of extraction is 10~120min, preferably 10~60min.
Wherein, the volume ratio of the organic phase and water phase that extract in step c is 10~50.
Wherein, stripping agent is sulfuric acid in step d, and concentration is 10%~20%.
Wherein, the ratio of the organic phase and sulfuric acid that are stripped in step d is 0.5~1.
Wherein, the time being stripped in step d is 20~120min.
Wherein, precipitating reagent is at least one of ammonium oxalate, sodium oxalate, potassium oxalate in step d.
Wherein, the molar ratio of precipitating reagent and cobalt in rich cobalt liquid is 1.5~3 in step d.
Wherein, the time precipitated in step d is 40~180min.
The following further explains the present invention by way of examples.
The chemical component and its content of the concentrate containing ferro-cobalt after the vanadium extraction used in embodiment are as shown in table 1.
Table 1
Embodiment 1
A. the concentrate containing ferro-cobalt after vanadium extraction is crushed to 0.125mm hereinafter, quantity reaches 20000g；
B. it takes 1000g to mix with 1000ml water, sulphur acid for adjusting pH is added to 0.5,0.02mol ferrous sulfate is added, keeps
40 DEG C of temperature, 60min is reacted, is separated by filtration to obtain low cobalt solution；
C. using the low cobalt solution in step b as leaching agent, remaining concentrate containing ferro-cobalt is leached in batches, every batch of leaching
1000g out, leaching condition is identical as step b, and the leachate obtained after leaching every time is used for the leaching of lower batch iron ore concentrate, circulation
It leaches 20 times, obtains high cobalt liquor, wherein cobalt content reaches 5.1g/L, volume 1000ml, leaching rate 85%；
D. high cobalt liquor is extracted, organic phase is the 25%P204+75% sulfonated kerosene being saponified in advance, 8 stage countercurrents
Extraction, extract stream ratio (qo/qa) are 1/5；Load organic phases are washed with 3 stage countercurrent of 1.0mol/L sulfuric acid solution, scrub stream ratio
It (qo/qa) is 1/8.3 grades of the sulfuric acid solution back extraction that the mass fraction of organic phase containing cobalt is 10%, back extraction stream is than (qo/qa)
It is 45/10, cobalt stripping rate is greater than 99.8%.0.13mol ammonium oxalate, solution precipitating is added in cobalt anti-stripping agent after oxalic acid is acidified
40min obtains 12.46g cobalt oxalate.
Embodiment 2
A. the concentrate containing ferro-cobalt after vanadium extraction is crushed to 0.125mm hereinafter, quantity reaches 20000g；
B. it takes 1000g to mix with 1000ml water, sulphur acid for adjusting pH is added to 0.4,0.015mol sodium thiosulfate is added, protects
Temperature 50 C is held, 100min is reacted, is separated by filtration to obtain low cobalt solution；
C. using the low cobalt solution in step b as leaching agent, remaining concentrate containing ferro-cobalt is leached in batches, every batch of leaching
1000g out, leaching condition is identical as step b, and the leachate obtained after leaching every time is used for the leaching of lower batch iron ore concentrate, circulation
It leaches 20 times, obtains high cobalt liquor, wherein cobalt content reaches 5.4g/L, volume 1000ml, leaching rate 90%；
D. high cobalt liquor is extracted, organic phase is the 25%P204+75% sulfonated kerosene being saponified in advance, 8 stage countercurrents
Extraction, extract stream ratio (qo/qa) are 1/4；Load organic phases are washed with 3 stage countercurrent of 1.5mol/L sulfuric acid solution, scrub stream ratio
It (qo/qa) is 1/6.3 grades of the sulfuric acid solution back extraction that the mass fraction of organic phase containing cobalt is 10%, back extraction stream is than (qo/qa)
It is 35/10, cobalt stripping rate is greater than 99.8%.0.2mol ammonium oxalate, solution precipitating is added in cobalt anti-stripping agent after oxalic acid is acidified
40min obtains 13.2g cobalt oxalate.
Embodiment 3
A. the concentrate containing ferro-cobalt after vanadium extraction is crushed to 0.125mm hereinafter, quantity reaches 15000g；
B. it takes 1000g to mix with 1000ml water, sulphur acid for adjusting pH is added to 0.5,0.03mol sodium sulfite is added, keeps
40 DEG C of temperature, 60min is reacted, is separated by filtration to obtain low cobalt solution；
C. using the low cobalt solution in step b as leaching agent, remaining concentrate containing ferro-cobalt is leached in batches, every batch of leaching
1000g out, leaching condition is identical as step b, and the leachate obtained after leaching every time is used for the leaching of lower batch iron ore concentrate, circulation
It leaches 15 times, obtains high cobalt liquor, wherein cobalt content reaches 4.27g/L, volume 1000ml, leaching rate 95%；
D. high cobalt liquor is extracted, organic phase is the 25%P204+75% sulfonated kerosene being saponified in advance, 8 stage countercurrents
Extraction, extract stream ratio (qo/qa) are 1/6；Load organic phases are washed with 3 stage countercurrent of 2.0mol/L sulfuric acid solution, scrub stream ratio
It (qo/qa) is 1/6.3 grades of the sulfuric acid solution back extraction that the mass fraction of organic phase containing cobalt is 15%, back extraction stream is than (qo/qa)
It is 25/6, cobalt stripping rate is greater than 99.8%.0.14mol ammonium oxalate, solution precipitating is added in cobalt anti-stripping agent after oxalic acid is acidified
40min obtains 10.3g cobalt oxalate.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, it is all
It is technical spirit according to the present invention any simple modification, equivalent change and modification made to the above embodiment, still falls within
In the range of technical solution of the present invention.
Claims (11)
1. from the method for mentioning cobalt in concentrate containing ferro-cobalt, it is characterised in that include the following steps:
A, ferro-cobalt concentrate will be contained to be crushed, and will remove thicker particle；
B, a part of broken concentrate containing ferro-cobalt is mixed with water, leaching agent is added and is leached, is contained after solid-liquor separation
Cobalt liquor, the leaching agent are at least one of ferrous sulfate, sodium thiosulfate, sodium sulfite；
C, using cobalt-carrying solution obtained by step b as leaching agent, residue concentrate containing ferro-cobalt is leached in batches, after leaching every time
Obtained leachate is used for the leaching of lower batch concentrate containing ferro-cobalt, obtains high cobalt infusion solution such circulating leaching 10~20 times,
Extractant is added in high cobalt liquor, high cobalt organic phase is obtained；
D, high cobalt organic phase is stripped, obtains rich cobalt liquid, the heavy cobalt of precipitating reagent is added, separation of solid and liquid obtains cobalt precipitating.
2. the method according to claim 1 for mentioning cobalt from concentrate containing ferro-cobalt, it is characterised in that: contain cobalt described in step a
Iron ore concentrate is the iron ore concentrate after the vanadium extraction of high-temperature roasting sodium；The condition of high-temperature roasting is 1200 DEG C of roasting 2h.
3. the method according to claim 1 or 2 for mentioning cobalt from concentrate containing ferro-cobalt, it is characterised in that: contain described in step a
Ferro-cobalt concentrate is less than 0.125mm through broken average particle size；The mass percentage of cobalt is greater than 0.01% in concentrate containing ferro-cobalt.
4. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~3, it is characterised in that: step c is every
Containing ferro-cobalt concentrate dosage of the batch for leaching is identical and identical as the step b dosage of concentrate containing ferro-cobalt.
5. the method according to any one of claims 1 to 4 for mentioning cobalt from concentrate containing ferro-cobalt, it is characterised in that: step b and
Leaching process control pH is 0.2~0.8 in step c；Extraction temperature is 20~80 DEG C in step b and step c.
6. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~5, it is characterised in that: in step b
The liquid-solid ratio of water and iron ore concentrate is 1:1~4:1；In step b in leaching agent and concentrate containing ferro-cobalt the molar ratio of cobalt content be 2.0~
10.0。
7. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~6, it is characterised in that: step b and
Mixing speed is 100~500r/min when leaching in step c；Extraction time is 30~180min in step b and step c.
8. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~7, it is characterised in that: in step c
Extractant is P204；The time of extraction is 10~120min.
9. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~8, it is characterised in that: in step d
Stripping agent is sulfuric acid, and concentration is 10%~20%.
10. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~9, it is characterised in that: step d
Middle precipitating reagent is at least one of ammonium oxalate, sodium oxalate, potassium oxalate.
11. described in any item methods for mentioning cobalt from concentrate containing ferro-cobalt according to claim 1~10, it is characterised in that: step d
The molar ratio of cobalt is 1.5~3 in middle precipitating reagent and rich cobalt liquid.
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| CN201910116904.3A CN109797295B (en) | 2019-02-15 | 2019-02-15 | Method for extracting cobalt from cobalt-containing iron concentrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250120A (en) * | 2020-12-21 | 2021-01-22 | 矿冶科技集团有限公司 | Method for preparing ternary precursor and lithium carbonate by using waste lithium ion battery black powder and nickel cobalt sulfide ore in synergy mode and application |
| CN113151677A (en) * | 2021-04-26 | 2021-07-23 | 赣州逸豪优美科实业有限公司 | Method for leaching cobalt intermediate product by sulfate without acid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138038A1 (en) * | 2007-05-14 | 2008-11-20 | Bhp Billiton Ssm Development Pty Ltd | LOW Eh LEACH WITH SULFUR RECYCLE |
| CN101509069A (en) * | 2009-03-30 | 2009-08-19 | 南通新玮镍钴科技发展有限公司 | Method for selective solvent extraction of heterogenite with full-wet-process |
| CN101792855A (en) * | 2010-03-18 | 2010-08-04 | 江苏雄风科技有限公司 | Method for separating and preparing high loose ratio and high purity cobalt oxalate from asbolite |
| CN101845547A (en) * | 2009-03-27 | 2010-09-29 | 北京有色金属研究总院 | Process for recycling cobalt from cobalt oxide ore |
| CN101994003A (en) * | 2010-12-10 | 2011-03-30 | 中南大学 | Process for selectively extracting copper and cobalt from heterogenite |
-
2019
- 2019-02-15 CN CN201910116904.3A patent/CN109797295B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138038A1 (en) * | 2007-05-14 | 2008-11-20 | Bhp Billiton Ssm Development Pty Ltd | LOW Eh LEACH WITH SULFUR RECYCLE |
| CN101845547A (en) * | 2009-03-27 | 2010-09-29 | 北京有色金属研究总院 | Process for recycling cobalt from cobalt oxide ore |
| CN101509069A (en) * | 2009-03-30 | 2009-08-19 | 南通新玮镍钴科技发展有限公司 | Method for selective solvent extraction of heterogenite with full-wet-process |
| CN101792855A (en) * | 2010-03-18 | 2010-08-04 | 江苏雄风科技有限公司 | Method for separating and preparing high loose ratio and high purity cobalt oxalate from asbolite |
| CN101994003A (en) * | 2010-12-10 | 2011-03-30 | 中南大学 | Process for selectively extracting copper and cobalt from heterogenite |
Non-Patent Citations (1)
| Title |
|---|
| 李淑梅: "一种还原浸出水钴矿的新还原剂 ", 《湿法冶金》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250120A (en) * | 2020-12-21 | 2021-01-22 | 矿冶科技集团有限公司 | Method for preparing ternary precursor and lithium carbonate by using waste lithium ion battery black powder and nickel cobalt sulfide ore in synergy mode and application |
| CN113151677A (en) * | 2021-04-26 | 2021-07-23 | 赣州逸豪优美科实业有限公司 | Method for leaching cobalt intermediate product by sulfate without acid |
| CN113151677B (en) * | 2021-04-26 | 2022-09-09 | 赣州逸豪优美科实业有限公司 | Method for leaching cobalt intermediate product by sulfate without acid |
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