CA994110A - Process for dissolving in acids metals whose sulfides are unstable in strong acids - Google Patents
Process for dissolving in acids metals whose sulfides are unstable in strong acidsInfo
- Publication number
- CA994110A CA994110A CA166,999A CA166999A CA994110A CA 994110 A CA994110 A CA 994110A CA 166999 A CA166999 A CA 166999A CA 994110 A CA994110 A CA 994110A
- Authority
- CA
- Canada
- Prior art keywords
- acids
- unstable
- dissolving
- metals whose
- sulfides
- 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
- 239000002253 acid Substances 0.000 title 2
- 150000007513 acids Chemical class 0.000 title 1
- -1 acids metals Chemical class 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 150000003568 thioethers Chemical class 0.000 title 1
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
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Joints Allowing Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2214332A DE2214332A1 (de) | 1972-03-24 | 1972-03-24 | Verfahren zum loesen von metallen, deren sulfide in starken saeuren instabil sind, in saeuren |
Publications (1)
Publication Number | Publication Date |
---|---|
CA994110A true CA994110A (en) | 1976-08-03 |
Family
ID=5840011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA166,999A Expired CA994110A (en) | 1972-03-24 | 1973-03-22 | Process for dissolving in acids metals whose sulfides are unstable in strong acids |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU471824B2 (en:Method) |
CA (1) | CA994110A (en:Method) |
DE (1) | DE2214332A1 (en:Method) |
FR (1) | FR2176990A1 (en:Method) |
NO (1) | NO135257C (en:Method) |
ZA (1) | ZA731344B (en:Method) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR853299A (fr) * | 1938-04-26 | 1940-03-14 | Ig Farbenindustrie Ag | Procédé pour isoler le nickel du cuivre |
-
1972
- 1972-03-24 DE DE2214332A patent/DE2214332A1/de active Pending
-
1973
- 1973-02-26 ZA ZA731344A patent/ZA731344B/xx unknown
- 1973-03-08 AU AU53083/73A patent/AU471824B2/en not_active Expired
- 1973-03-21 NO NO1156/73A patent/NO135257C/no unknown
- 1973-03-21 FR FR7310102A patent/FR2176990A1/fr active Granted
- 1973-03-22 CA CA166,999A patent/CA994110A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO135257B (en:Method) | 1976-11-29 |
ZA731344B (en) | 1973-11-28 |
FR2176990A1 (en) | 1973-11-02 |
AU5308373A (en) | 1974-09-12 |
AU471824B2 (en) | 1976-05-06 |
FR2176990B1 (en:Method) | 1977-07-29 |
NO135257C (en:Method) | 1977-03-09 |
DE2214332A1 (de) | 1973-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA989625A (en) | Metal recovery process | |
CA996484A (en) | Coal dissolving process | |
CA1001329A (en) | Flotation process | |
AU476134B2 (en) | Pyrometallurgical process for treating solids | |
CA983240A (en) | Process for removing heavy metals from solutions | |
CA1006391A (en) | Photopolymer process | |
CA1022934A (en) | Hydroformylation process | |
CA1008990A (en) | Recovery process | |
GB1400510A (en) | Continuous redox process for dissolving copper | |
CA1007633A (en) | Process for producing pregnane acids | |
CA1012974A (en) | Process for preparing sulfamylbenzoic acids | |
CA994110A (en) | Process for dissolving in acids metals whose sulfides are unstable in strong acids | |
AU5180873A (en) | Metal extraction process | |
CA965964A (en) | Process for oxidizing metal sulfides in aqueous suspensions | |
AU469467B2 (en) | Graphic process | |
CA930291A (en) | Continuous redox process for dissolving copper | |
CA990079A (en) | Electroslag remelting process | |
CA1015532A (en) | Sodium sulfate agglomeration process | |
CA896508A (en) | Metal treating process | |
CA906187A (en) | Single-stage process for recovering sulfur values | |
CA896900A (en) | Copper recovering process | |
AU481434B2 (en) | Metal extraction process | |
CA917338A (en) | Foundry process | |
CA893099A (en) | Hydroforming process | |
CA905646A (en) | Two-stage process for recovering sulfur values |