FR2197070A1 - Leaching copper from gangue with sulphurous acid - keeping the leaching soln. below ambient temp. to prevent formation of chevreul salt - Google Patents
Leaching copper from gangue with sulphurous acid - keeping the leaching soln. below ambient temp. to prevent formation of chevreul saltInfo
- Publication number
- FR2197070A1 FR2197070A1 FR7330432A FR7330432A FR2197070A1 FR 2197070 A1 FR2197070 A1 FR 2197070A1 FR 7330432 A FR7330432 A FR 7330432A FR 7330432 A FR7330432 A FR 7330432A FR 2197070 A1 FR2197070 A1 FR 2197070A1
- Authority
- FR
- France
- Prior art keywords
- leaching
- gangue
- soln
- keeping
- prevent formation
- 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.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 title abstract 2
- 238000002386 leaching Methods 0.000 title 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title 1
- 229910052802 copper Inorganic materials 0.000 title 1
- 239000010949 copper Substances 0.000 title 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA725768A ZA725768B (en) | 1972-08-22 | 1972-08-22 | Benefication of metallic ores |
| ZA732600 | 1973-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2197070A1 true FR2197070A1 (en) | 1974-03-22 |
| FR2197070B1 FR2197070B1 (enExample) | 1977-09-09 |
Family
ID=27131057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7330432A Granted FR2197070A1 (en) | 1972-08-22 | 1973-08-22 | Leaching copper from gangue with sulphurous acid - keeping the leaching soln. below ambient temp. to prevent formation of chevreul salt |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS49133216A (enExample) |
| CA (1) | CA992328A (enExample) |
| FI (1) | FI62343C (enExample) |
| FR (1) | FR2197070A1 (enExample) |
| IE (1) | IE38111B1 (enExample) |
| OA (1) | OA04485A (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR326325A (fr) * | 1902-11-14 | 1903-05-21 | Von Gernet Copper Ltd Soc | Procédé et appareil perfectionnés pour l'extraction du cuivre de son minerai |
| US1357952A (en) * | 1919-09-30 | 1920-11-09 | Niels C Christensen | Process of treating copper ores |
-
1973
- 1973-08-21 IE IE1458/73A patent/IE38111B1/xx unknown
- 1973-08-21 CA CA179,265A patent/CA992328A/en not_active Expired
- 1973-08-22 FR FR7330432A patent/FR2197070A1/fr active Granted
- 1973-08-22 FI FI2614/73A patent/FI62343C/fi active
- 1973-08-22 JP JP48094231A patent/JPS49133216A/ja active Pending
- 1973-10-05 OA OA55026A patent/OA04485A/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR326325A (fr) * | 1902-11-14 | 1903-05-21 | Von Gernet Copper Ltd Soc | Procédé et appareil perfectionnés pour l'extraction du cuivre de son minerai |
| US1357952A (en) * | 1919-09-30 | 1920-11-09 | Niels C Christensen | Process of treating copper ores |
Also Published As
| Publication number | Publication date |
|---|---|
| FI62343C (fi) | 1982-12-10 |
| IE38111B1 (en) | 1977-12-21 |
| JPS49133216A (enExample) | 1974-12-20 |
| FR2197070B1 (enExample) | 1977-09-09 |
| FI62343B (fi) | 1982-08-31 |
| IE38111L (en) | 1974-02-22 |
| CA992328A (en) | 1976-07-06 |
| OA04485A (fr) | 1980-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |