GB1150188A - Method for Recovering Substantially Pure Nickel from Ammoniacal Nickel Ammonium Carbonate Leach Solutions. - Google Patents
Method for Recovering Substantially Pure Nickel from Ammoniacal Nickel Ammonium Carbonate Leach Solutions.Info
- Publication number
- GB1150188A GB1150188A GB550968A GB550968A GB1150188A GB 1150188 A GB1150188 A GB 1150188A GB 550968 A GB550968 A GB 550968A GB 550968 A GB550968 A GB 550968A GB 1150188 A GB1150188 A GB 1150188A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- slurry
- carbonate
- substantially pure
- ammonium carbonate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
- C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
1,150,188. Producing nickel. SHERRITT GORDON MINES Ltd. Feb. 2, 1968 [Feb. 15, 1967], No.5509/68. Headings C7D. Ammoniacal ammonium carbonate leach liquors containing Ni, S and other impurities are treated to recover substantially pure Ni powder as follows;- (a) The solution is boiled to drive off CO 2 and NH 3 to precipitate basic nickel carbonate (b) The precipitate is removed from the solution and then redissolved in substantially pure aqueous ammoniacal ammonium carbonate. (c) The solution is freed from insoluble impurities and boiled to precipitate at least some basic nickel carbonate. (d) The slurry is then treated with a free oxygen containing gas with an oxygen partial pressure above 5 p.s.i. at 65-260‹C. for a sufficient time to oxidize the impurity S content to SO 4 ". (e) Finally the slurry is reduced with H 2 at elevated temperature and pressure (e.g. at 80- 315‹C. with a partial pressure of H 2 of 100-500 p.s.i.). If the S content of the solution is above 0À1% it is preferred to treat the precipitated basic nickel carbonate of either precipitation with a sodium compound which will react with SO 4 " to form Na 2 SO 4 (e.g. hydroxide, carbonate or bicarbonate) either by adding the compound to the slurry or after removing the liquid therefrom by washing with a solution of the compound. Sub-micron Ni seed powder and/or a catalyst such as anthroquinone may be included in the slurry to be reduced.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA982942 | 1967-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1150188A true GB1150188A (en) | 1969-04-30 |
Family
ID=4142807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB550968A Expired GB1150188A (en) | 1967-02-15 | 1968-02-02 | Method for Recovering Substantially Pure Nickel from Ammoniacal Nickel Ammonium Carbonate Leach Solutions. |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1559880A (en) |
| GB (1) | GB1150188A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5650057A (en) * | 1993-07-29 | 1997-07-22 | Cominco Engineering Services Ltd. | Chloride assisted hydrometallurgical extraction of metal |
-
1968
- 1968-02-02 GB GB550968A patent/GB1150188A/en not_active Expired
- 1968-02-14 FR FR1559880D patent/FR1559880A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1559880A (en) | 1969-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |