CN103290218A - Beneficiation combined process of Ni-Co-Cu lean ore or tailings - Google Patents
Beneficiation combined process of Ni-Co-Cu lean ore or tailings Download PDFInfo
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- CN103290218A CN103290218A CN2012100558057A CN201210055805A CN103290218A CN 103290218 A CN103290218 A CN 103290218A CN 2012100558057 A CN2012100558057 A CN 2012100558057A CN 201210055805 A CN201210055805 A CN 201210055805A CN 103290218 A CN103290218 A CN 103290218A
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Abstract
The invention provides a beneficiation combined process of Ni-Co-Cu lean ore or tailings. The beneficiation combined process comprises the following steps of: adding the Ni-Co-Cu lean ore or tailings, acid wastewater and sulfate into an acid reaction tank to react, after the reaction, filtering the mixture of mineral and acid solution, separating the filtrate from solid mineral, performing the ion exchange by using the filtrate through passing through an copper ion exchange column and a nickel ion exchange column in order, respectively obtaining the solution containing copper ions and the solution containing nickel ions; removing iron in the filtrate by adopting a goethite method to obtain metallic iron and acid-magnesium solution; treating the acid-magnesium solution to obtain magnesium oxide and sulfur dioxide, performing bioleaching on the solid mineral, performing the ion exchange on the leachate by passing through the copper ion exchange column, the nickel ion exchange and a cobalt ion exchange column in order to respectively obtain the solution containing the copper ions, the solution containing the nickel ions and the solution containing the cobalt ions; performing electro-deposition on the solution containing the copper ions to obtain the metallic copper.
Description
Technical field
The present invention relates to a kind of method of utilizing of low-grade nonferrous metal resource, specifically, relate to oxidation and the lean ore of sulfide mineral or the selecting smelting combination technology of mine tailing of a kind of nickel, cobalt, copper.
Background technology
Harm and resource loss that the mine tailing of metal mine causes more and more receive publicity, and its improvement and utilization are the focuses of research always.
Mineral deposit with Jinchuan, China Gansu is example, and Jinchuan is China's nickel, cobalt, copper and platinum metals resources base, and having verified ore reserves is 5.2 hundred million tons, 5,500,000 tons of nickel metal reserves, 3,430,000 tons of copper metal reserves, 130,000 tons of cobalts, nickel and platinum metals reserves account for about 65% and 90% of national reserves respectively.Jinchuan nickel minerals is gone through four more than ten years development and use, and existing more than 100,000,000 ton tailings impoundment still increases severely with annual 7300000 tons mine tailing amount in two mine tailing storehouses of the old and new at present, is lost in nickel amount of metal in the mine tailing every year more than 16000 tons.
Along with the expansion day by day of Jinchuan mineral reserve selecting and purchasing scale, and easily adopt the free-milling ore amount and constantly reduce, exploitation lean ore, the comprehensive utilization of mine tailing, recovery technology have become extremely urgent problem.Therefore, carry out the selecting smelting combination technical study that improves the comprehensive utilization of resources of Jinchuan Nickel cobalt copper mine tailing, not only the fast development to Jinchuan mining industry has important practical significance, and can enlarge the scope of utilizing of resource, simultaneously important promotion and promoter action are played in the development and use of the low-grade mineral wealth stored up in a large number in the whole non-ferrous metal industry.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind for the treatment of process of the low-grade mineral wealth of nickel cobalt copper that utilize at difficulty is provided.
For achieving the above object, the present invention is by the following technical solutions:
The selecting smelting combination technology of a kind of nickel cobalt copper lean ore or mine tailing, its step is as follows:
A. described nickel cobalt copper lean ore or mine tailing ore, acid waste water and sulfuric acid are joined in the acid-reaction jar and react;
B. after reaction finishes, the mixture of mineral and acidic solution is filtered separating filtrate and solid mineral;
C. with filtrate successively by in the Copper Ion Exchange post and the nickel ion exchange column carry out ion-exchange, obtain containing the solution of cupric ion respectively and contain the solution of nickel ion; With adopting separation of iron in goethite form by the filtrate behind Copper Ion Exchange post and the nickel ion exchange column successively, obtain metallic iron and acid magnesium solution; Acid magnesium solution is treated magnesium oxide and the sulfurous gas of obtaining again;
D. carrying out biology after the solid mineral ore grinding being sized mixing leaches, leach liquor carries out ion-exchange by Copper Ion Exchange post, nickel ion exchange column and cobalt ion exchange column successively, obtain respectively containing cupric ion solution, contain the solution of nickel ion and contain the solution of cobalt ion; The solution that will contain cupric ion carries out electrodeposition and obtains metallic copper.
Aforesaid selecting smelting combination technology, wherein preferably, biology described in the steps d leaches, adopt mesophilic bacterium or moderate thermophile bacterium, described mesophilic bacterium is thiobacillus ferrooxidant (Thiobacillus ferrooxidans), in thiobacillus thiooxidans (Thiobacillus thiooxidans) and the ferric oxide Ferrobacillus (Ferrobacillus ferrooxidans) one or more, described moderate thermophile bacterium is Acidimicrobium ferrooxidans, among Sulfobacillusthermosulfidooxidans and the Sulfobacillus acidophilus one or more.
Aforesaid selecting smelting combination technology, wherein preferably, described biological the leaching, the access amount of bacterial classification is volume percent 10～30%.
Aforesaid selecting smelting combination technology, wherein more preferably, described biological the leaching, the access amount of bacterial classification is volume percent 20～25%.
Aforesaid selecting smelting combination technology, wherein preferably, the ion exchange resin that the Copper Ion Exchange post described in step c and the d adopts is one or more in Dowex M 4195 resins, the D751 resin; The ion exchange resin that nickel ion exchange column described in step c and the d adopts is one or more in Dowex M 4195 resins, 5_Chelexl00 resin, Purolite S-930 resin, PuroliteS-950 resin and the IRN-77 resin; The ion exchange resin that cobalt ion exchange column described in the steps d adopts is one or more in Dowex M 4195 resins, Purolite S-930 resin, Purolite S-950 resin and the IRN-77 resin.
Aforesaid selecting smelting combination technology, wherein preferably, H in the reaction environment among the step a in the acid-reaction jar
+The ion final concentration is at 1-12mol/L.
Aforesaid selecting smelting combination technology, wherein more preferably, H in the reaction environment among the step a in the acid-reaction jar
+The ion final concentration is at 1-2mol/L.
Aforesaid selecting smelting combination technology, wherein preferably, the ore grinding described in the steps d is sized mixing, and the pulp density of sizing mixing after finishing is 5～10g/L.
Aforesaid selecting smelting combination technology, wherein more preferably, the ore grinding described in the steps d is sized mixing, and the pulp density of sizing mixing after finishing is 8g/L.
Aforesaid selecting smelting combination technology, wherein preferably, the ion-exchange described in step c and the d, the operation flow velocity is at 10～45m/h.
Aforesaid selecting smelting combination technology, wherein more preferably, the ion-exchange described in step c and the d, the operation flow velocity is at 15～30m/h.
Beneficial effect of the present invention is:
Technical process by the present invention's employing, thereby solved the magnesium oxide and the iron that in prior art acidleach process, exist and formed the difficult problem that film causes acid-leaching reaction to proceed at mineral surface, reduced the reaction difficulty greatly, accelerate reaction process and reduced cost.
The present invention adopts ion exchange method to replace the flow process of extracting-back extraction in the past, solve the extracting-back extraction operation and expended a large amount of reagent and the on-the-spot problem that is full of the toxic and harmful of reaction generation, operate environmental protection more, safety, and reduced costs such as reagent, protector.
Description of drawings
Fig. 1 is process flow sheet of the present invention.
Embodiment
1. to the theoretical analysis of technical process of the present invention
Mineral deposit with Jinchuan, China Gansu is example, and the main gangue mineral that contains in Jinchuan Nickel cobalt copper lean ore and the mine tailing comprises peridotites, serpentine, diopside, the tremolite etc.; Metallic sulfide mainly contains pyrrhotite, pentlandite, chalcopyrite; Metal oxide is mainly magnetite, rhombohedral iron ore.Wherein, copper-bearing mineral is based on chalcopyrite, and nickel-containing mineral is based on pentlandite, and containing cobalt mineralss is to exist with the ultrabasic rocks form.
Carry out thermomechanical analysis with regard to the reaction of these mineral and diluted acid respectively.Analytical results shows, peridotites, serpentine very easily react with diluted acid, diopside, the tremolite also easily and diluted acid react, can adopt acid solution to leach to reclaim Mg and Fe resource in these mineral, can be used to administer mine spent acid solution and acid waste water simultaneously.And chalcopyrite and pentlandite are difficult for reacting with diluted acid, and therefore in the mineral acidleach, the nickel in the ore, copper can obtain enrichment in acid leaching residue, can obtain recycling by subsequent operations.
In addition, nickel in the ore, copper sulfurized ore thing can not leached by diluted acid, when indication only is difficult to obtain hang down the magnesium concentrate by flotation for the nickel, cobalt, copper sulfurized ore or other nonferrous metal sulfide minerals that with peridotites, serpentine are main gangue, can reduce the MgO content in its concentrate with the way that diluted acid leaches.
2. technical process of the present invention
As shown in Figure 1, the selecting smelting combination technology of nickel cobalt copper lean ore provided by the invention or mine tailing, its technical process is as follows:
A. described nickel cobalt copper lean ore or mine tailing ore, acid waste water and sulfuric acid are joined in the acid-reaction jar and react;
B. after reaction finishes, the mixture of mineral and acidic solution is filtered separating filtrate and solid mineral;
C. with filtrate successively by in the Copper Ion Exchange post and the nickel ion exchange column carry out ion-exchange, obtain containing the solution of cupric ion respectively and contain the solution of nickel ion; With adopting separation of iron in goethite form by the filtrate behind Copper Ion Exchange post and the nickel ion exchange column successively, obtain metallic iron and acid magnesium solution; Acid magnesium solution is treated magnesium oxide and the sulfurous gas of obtaining again;
D. carrying out biology after the solid mineral ore grinding being sized mixing leaches, leach liquor carries out ion-exchange by Copper Ion Exchange post, nickel ion exchange column and cobalt ion exchange column successively, obtain respectively containing cupric ion solution, contain the solution of nickel ion and contain the solution of cobalt ion; The solution that will contain cupric ion carries out electrodeposition and obtains metallic copper.
3. used microorganism among the present invention
The microorganism that biological leaching step adopts among the present invention can be bacterial classification commonly used in the biological metallurgy field.According to growth temperature range, existing soak the ore deposit bacterium and mainly can be divided into mesophilic bacterium (Mesophile, 30～45 ℃ of optimum growth temps), moderate thermophile bacterium (Moderatethermophile, 45～55 ℃ of optimum growth temps) and high temperature thermophile bacteria (Extremethermophile, 60～85 ℃ of optimum growth temps), wherein the high temperature thermophile bacteria is not put among the large-scale industrial application as yet.
Preferred mesophilic bacterium mainly comprises among the present invention:
Thiobacillus ferrooxidant (Thiobacillus ferrooxidans), Gram-negative bacteria, perch is in sulfur-bearing hot spring, sulphur and sulphide ores mineral deposit, coal and contain gold deposit, also exists in the oxidized zone of sulfide deposit, can survive in above-mentioned pit water, its optimum growh pH scope is 2.0～3.0.It belongs to strict with the oxygen microorganism, and stronger synthesis capability is arranged.Thiobacillus ferrooxidant is bacterium the most frequently used in the present biological metallurgy.
Thiobacillus thiooxidans (Thiobacillus thiooxidans), Gram-negative bacteria, perch is in sulphur and sulphide ores mineral deposit, and the reductibility compound of energy oxidation elementary sulfur and a series of sulphur can only utilize the sulphur of going back ortho states to be electron donor.Optimum growh pH scope is 2～2.5.
Ferric oxide Ferrobacillus (Ferrobacillus ferrooxidans), Gram-negative bacteria can be ferrous oxidation high price iron, and the pH scope of suitable growth is 2～4.5, and optimum growh pH is 2.5.
Preferred moderate thermophile bacterium mainly comprises among the present invention: Acidimicrobiumferrooxidans, Sulfobacillus thermosulfidooxidans and Sulfobacillusacidophilus.These 3 kinds of bacteriums are gram-positive microorganism, and moderate thermophile is had a liking for acid, and the optimum growth temperature is 45～50 ℃, optimum growth pH value 2.0; Firm cell walls is arranged, therefore can tolerate higher pulp density.
Sulfobacillus thermosulfidooxidans and Sulfobacillus acidophilus are present in the acid heat environment that is rich in iron, sulphur and sulphide ores.The two can be energy autophyting growth with iron, sulphide ores all, is energy heterotrophic growth with the yeast extract; Sulfobacillus acidophilus can be energy autophyting growth with sulphur.
Acidimicrobium ferrooxidans is with Fe
2+Being energy autophyting growth, is energy heterotrophic growth with the yeast extract.Under the aerobic conditions, 3 kinds of bacterium mixed oxidization Fe
2+Ability be better than using single culture, this may be that health is long because the organism that Sulfobacillus utilizes Acidimicrobium ferrooxidans to produce is held concurrently, and has more activity.
4. used ion exchange column among the present invention
Ion exchange method be utilize ion exchange resin with certain ion-exchange in the dilute solution to resin, thereby reach the purpose of separation.This exchange interaction is mainly determined the different avidity of ion by resin.Ion exchange method has the renewable advantage such as recycle of separation efficiency height, ion exchange resin, has showed good prospects for application in the solution of handling the lower concentration complex system.
Among the present invention, used ion exchange resin can adopt but is not limited to the resin of following kind in described Copper Ion Exchange post, cobalt ion exchange column and the nickel ion exchange column:
Dowex M 4195 resins be a kind of on macroporous type styrene diethylene benzene copoly mer bonding the resin of the two picolyl amine groups of weakly alkaline chelating.Dowex M 4195 resins to the Adsorption Properties for Metal Ions order are: Cu＞Ni＞Pb＞Fe＞Co＞Mn.The Static Adsorption test shows that this resin is 2.0mol/kg to the maximal absorptive capacity of nickel ion, the best pH=2 of absorption Ni.Result of study shows that also under low pH value, the nickel of Dowex M4195 and cobalt still have good selectivity, when pH=1, is 25% to the rate of recovery of nickel.
The D751 resin is a kind of resin that has slightly acidic imido oxalic acid base at the macroporous type styrene diethylene benzene copoly mer.This product can be fixed the solution in very big concentration range, a flat iron plate for making cakes closes one or more specific positively charged ions.Be mainly used in the separating of high volence metal ion and transition element, purification.It can reach more than the 40.0g/L the cupric ion adsorptive capacity.
Two kinds of product P urolite S-930 in the Purolite resin and the skeleton of S-950 are styrene diethylene benzene copoly mer all, and the functional group of S-930 is imido oxalic acid, and the functional group of S-950 is the amino acidic group of seeing.Study these two kinds of resins to the absorption of nickel in the red soil nickel ore leach liquor, the result shows, two kinds of resins to the selecting sequence of ion are: H
+＞Ni
2+〉=Co
2+Functional group on the resin is relevant with competitive adsorption to the absorption of the multilayer of nickel, and competitive adsorption comprises the competition between complex compound, hydrogen ion and the negatively charged ion of metal organic acid.The character of functional group and the sterically hindered absorption behavior that affects, aminophosphonic acid is littler than the steric hindrance of iminodiacetate, so the adsorptive capacity of aminophosphonic acid is bigger.In addition, the pH value is more low in the biochemical lixivium, and resin is more little to the adsorptive capacity of nickel, and the effect of two kinds of resins absorbed Ni, cobalt when pH2-6 is better.Purolite S-930 and S-950 regeneration of resin are not subjected to the influence of metal ion, and regenerative power is stronger, can adopt the nitric acid regenerated from washing of 2mol/L.
Another kind of imido-diethyl acid type resin 5_Chelexl00 (having another name called DowexA-1) can be used for the absorption of Determination of Trace Nickel, and its adsorptive capacity reaches 2.15mol/kg.
The resin matrix of Zeo-karb IRN-77 is styrene diethylene benzene copoly mer, and its functional group is sulfonic group, belongs to highly acidic resin.Can be used for the recovery of cobalt or nickel.Adopt Co, Ni and Cr ion in the IRN-77 plastic resin treatment waste water, optimal addn is 0.6g/100mL solution.The optimum concn that GOLD FROM PLATING SOLUTION belongs to ion is 200m/L; The adsorption equilibrium time is 1h, because the dehydrogenation of sulfuric acid functional group on the resin, the pH of solution carries out and reduces with reaction; The IRN-77 resin is respectively 74.63mg/g, 62.11mg/g and 46.95mg/g to the adsorptive capacity of Ni, Co and Cr ion.Because Co, Ni ion combination valency are identical, so degree of absorption is also basic identical when they coexist as same system; Simultaneously, Cr
3+Existence, increased the competition with Co and Ni ion.The IRN-77 resin is Cr to the absorption of 3 kinds of ions in proper order
3+〉=Co
2+≈ Ni
2+, the preferable pH of absorption is about 4.
5. preferred embodiment of the present invention
Adopt flow process as described below to operate the mine tailing of Jinchuan Nickel cobalt copper mine:
A. described nickel cobalt copper lean ore or mine tailing ore, acid waste water and sulfuric acid are joined in the acid-reaction jar and react; The waste water that described acid waste water uses the mineral acidleach in same mine to produce, the concentration range of described sulfuric acid can be selected in 1-12mol/L, in the present embodiment, the H of mixed acid leaching solution
+The ion final concentration is about 2mol/L.
B. after reaction finishes, the mixture of mineral and acidic solution is filtered separating filtrate and solid mineral at filter; After testing, in the filtrate that obtains, Ni
2+The content of ion is 0.5-0.8g/L, Cu
2+The content of ion is 0.3-0.6g/L, and the content of iron and ferrous ion is about 15g/L, Mg
2+The content of ion is about 40g/L.
C. filtrate is carried out ion-exchange by the Copper Ion Exchange post that is filled with the D751 resin and the nickel ion exchange column that is filled with the DowexA-1 resin successively, the operation flow rate control is at 20～25m/h; The solution that obtains containing the solution of cupric ion respectively and contain nickel ion; With adopting separation of iron in goethite form by the filtrate behind Copper Ion Exchange post and the nickel ion exchange column successively, obtain metallic iron and acid magnesium solution; Acid magnesium solution is treated magnesium oxide and the sulfurous gas of obtaining again;
D. the solid mineral after filtering is sized mixing to concentration behind about 8g/L through ore grinding, employing is by Acidimicrobium ferrooxidans, the mixed strains that Sulfobacillus thermosulfidooxidans and Sulfobacillus acidophilus form carries out biology and leaches, the access amount of bacterial classification is volume percent 25%, and extraction time is 50 days.After the leaching, the Copper Ion Exchange post by being filled with the D751 resin, the cobalt ion exchange column that is filled with the nickel ion exchange column of DowexA-1 resin and is filled with the IRN-77 resin carry out ion-exchange successively with leach liquor, and the operation flow rate control is at 20～25m/h; Obtain respectively containing cupric ion solution, contain the solution of nickel ion and contain the solution of cobalt ion; The solution that will contain cupric ion carries out electrodeposition and obtains metallic copper.
Through after the above-mentioned flow processing, each solution that reclaims is detected:
In the solution that contains cupric ion that obtains among the step c, Cu
2+The content 22.56g/L of ion, the content≤2g/L of iron and ferrous ion, Mg
2+Content≤the 1g/L of ion;
Contain in the solution of nickel ion Ni
2+The content 21.37g/L of ion, the content≤2g/L of iron and ferrous ion, Mg
2+Content≤the 1g/L of ion.
In the solution that contains cupric ion that obtains in the steps d, Cu
2+The content 25.30g/L of ion, the content≤2g/L of iron and ferrous ion, Mg
2+Content≤the 1g/L of ion;
Contain in the solution of nickel ion Ni
2+The content 22.01g/L of ion, the content≤2g/L of iron and ferrous ion, Mg
2+Content≤the 1g/L of ion;
Contain in the solution of cobalt ion Co
2+The content 15.50g/L of ion, the content≤2g/L of iron and ferrous ion, Mg
2+Content≤the 1g/L of ion.
Claims (10)
1. the selecting smelting combination technology of a nickel cobalt copper lean ore or mine tailing is characterized in that step is as follows:
A. described nickel cobalt copper lean ore or mine tailing ore, acid waste water and sulfuric acid are joined in the acid-reaction jar and react;
B. after reaction finishes, the mixture of mineral and acidic solution is filtered separating filtrate and solid mineral;
C. with filtrate successively by in the Copper Ion Exchange post and the nickel ion exchange column carry out ion-exchange, obtain containing the solution of cupric ion respectively and contain the solution of nickel ion; With adopting separation of iron in goethite form by the filtrate behind Copper Ion Exchange post and the nickel ion exchange column successively, obtain metallic iron and acid magnesium solution;
D. carrying out biology after the solid mineral ore grinding being sized mixing leaches, leach liquor carries out ion-exchange by Copper Ion Exchange post, nickel ion exchange column and cobalt ion exchange column successively, obtain respectively containing cupric ion solution, contain the solution of nickel ion and contain the solution of cobalt ion; The solution that will contain cupric ion carries out electrodeposition and obtains metallic copper;
Biology described in the steps d leaches, be to adopt mesophilic bacterium or moderate thermophile bacterium to carry out, described mesophilic bacterium is one or more in thiobacillus ferrooxidant (Thiobacillus ferrooxidans), thiobacillus thiooxidans (Thiobacillus thiooxidans) and the ferric oxide Ferrobacillus (Ferrobacillusferrooxidans), and described moderate thermophile bacterium is one or more among Acidimicrobiumferrooxidans, Sulfobacillus thermosulfidooxidans and the Sulfobacillusacidophilus.
2. selecting smelting combination technology as claimed in claim 1 is characterized in that, described biological the leaching, and the access amount of bacterial classification is volume percent 10～30%.
3. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, described biological the leaching, and the access amount of bacterial classification is volume percent 20～25%.
4. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, the ion exchange resin that the Copper Ion Exchange post described in step c and the d adopts is one or more in Dowex M 4195 resins, the D751 resin; The ion exchange resin that nickel ion exchange column described in step c and the d adopts is one or more in Dowex M 4195 resins, 5_Chelexl00 resin, Purolite S-930 resin, Purolite S-950 resin and the IRN-77 resin; The ion exchange resin that cobalt ion exchange column described in the steps d adopts is one or more in Dowex M 4195 resins, Purolite S-930 resin, Purolite S-950 resin and the IRN-77 resin.
5. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, H in the reaction environment among the step a in the acid-reaction jar
+The ion final concentration is at 1-12mol/L.
6. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, H in the reaction environment among the step a in the acid-reaction jar
+The ion final concentration is at 1-2mol/L.
7. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, the ore grinding described in the steps d is sized mixing, and the pulp density of sizing mixing after finishing is 5～10g/L.
8. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, the ore grinding described in the steps d is sized mixing, and the pulp density of sizing mixing after finishing is 8g/L.
9. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, the ion-exchange described in step c and the d, and the operation flow velocity is at 10～45m/h.
10. selecting smelting combination technology as claimed in claim 1 or 2 is characterized in that, the ion-exchange described in step c and the d, and the operation flow velocity is at 15～30m/h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745813A (en) * | 2013-12-31 | 2015-07-01 | 北京有色金属研究总院 | Method for comprehensively recovering nickel and magnesium in bio-leaching process of high-magnesium low-nickel sulfide ore |
| CN109971977A (en) * | 2019-03-11 | 2019-07-05 | 西安蓝晓科技新材料股份有限公司 | A method of for recycling metallic nickel, cobalt from lateritic nickel ore leaching liquor |
| CN110184455A (en) * | 2019-06-20 | 2019-08-30 | 东北大学 | A kind of leaching method of difficult leaching cobalt ore |
| CN111004926A (en) * | 2018-10-08 | 2020-04-14 | 金川集团股份有限公司 | Method for extracting nickel and cobalt from low-grade laterite-nickel ore leaching solution by resin |
| CN111809048A (en) * | 2020-07-19 | 2020-10-23 | 河南科技大学 | Method for removing trace nickel in cobalt sulfate electrolysis |
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|---|---|---|---|---|
| CN1293259A (en) * | 1999-09-15 | 2001-05-02 | 比利顿股份有限公司 | Rocovery of copper and mickel |
| CN101506394A (en) * | 2006-08-23 | 2009-08-12 | Bhp比利通Ssm开发有限公司 | Production of metallic nickel with low iron content |
| WO2010012030A1 (en) * | 2008-07-29 | 2010-02-04 | Bhp Billiton Ssm Development Pty Ltd | Process for controlled homogeneous acid leaching |
-
2012
- 2012-03-05 CN CN2012100558057A patent/CN103290218A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293259A (en) * | 1999-09-15 | 2001-05-02 | 比利顿股份有限公司 | Rocovery of copper and mickel |
| CN101506394A (en) * | 2006-08-23 | 2009-08-12 | Bhp比利通Ssm开发有限公司 | Production of metallic nickel with low iron content |
| WO2010012030A1 (en) * | 2008-07-29 | 2010-02-04 | Bhp Billiton Ssm Development Pty Ltd | Process for controlled homogeneous acid leaching |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745813A (en) * | 2013-12-31 | 2015-07-01 | 北京有色金属研究总院 | Method for comprehensively recovering nickel and magnesium in bio-leaching process of high-magnesium low-nickel sulfide ore |
| CN104745813B (en) * | 2013-12-31 | 2017-02-15 | 北京有色金属研究总院 | Method for comprehensively recovering nickel and magnesium in bio-leaching process of high-magnesium low-nickel sulfide ore |
| CN111004926A (en) * | 2018-10-08 | 2020-04-14 | 金川集团股份有限公司 | Method for extracting nickel and cobalt from low-grade laterite-nickel ore leaching solution by resin |
| CN109971977A (en) * | 2019-03-11 | 2019-07-05 | 西安蓝晓科技新材料股份有限公司 | A method of for recycling metallic nickel, cobalt from lateritic nickel ore leaching liquor |
| CN109971977B (en) * | 2019-03-11 | 2021-07-02 | 西安蓝晓科技新材料股份有限公司 | Method for recovering metallic nickel and cobalt from laterite-nickel ore leaching liquor |
| CN110184455A (en) * | 2019-06-20 | 2019-08-30 | 东北大学 | A kind of leaching method of difficult leaching cobalt ore |
| CN111809048A (en) * | 2020-07-19 | 2020-10-23 | 河南科技大学 | Method for removing trace nickel in cobalt sulfate electrolysis |
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