ZA912798B - A process for leaching gold and silver - Google Patents
A process for leaching gold and silverInfo
- Publication number
- ZA912798B ZA912798B ZA912798A ZA912798A ZA912798B ZA 912798 B ZA912798 B ZA 912798B ZA 912798 A ZA912798 A ZA 912798A ZA 912798 A ZA912798 A ZA 912798A ZA 912798 B ZA912798 B ZA 912798B
- Authority
- ZA
- South Africa
- Prior art keywords
- silver
- leaching gold
- leaching
- gold
- Prior art date
Links
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title 1
- 229910052737 gold Inorganic materials 0.000 title 1
- 239000010931 gold Substances 0.000 title 1
- 238000002386 leaching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 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
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4017899A DE4017899C1 (en) | 1990-06-02 | 1990-06-02 | Extn. of silver and gold from ores - by contacting ore with aq. leaching soln. contg. cyanide in presence of peroxo:borate, and sepg. cyano complexes formed |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA912798B true ZA912798B (en) | 1992-01-29 |
Family
ID=6407765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA912798A ZA912798B (en) | 1990-06-02 | 1991-04-15 | A process for leaching gold and silver |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU633203B2 (en) |
BR (1) | BR9101609A (en) |
CA (1) | CA2043654C (en) |
DE (1) | DE4017899C1 (en) |
ZA (1) | ZA912798B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5336474A (en) * | 1990-06-02 | 1994-08-09 | Degussa Aktiengesellschaft | Process for leaching of precious metals |
DE4114514A1 (en) * | 1991-05-03 | 1992-11-05 | Degussa | METHOD FOR THE LOWING OF GOLD AND SILVER |
DE19829274C2 (en) * | 1998-07-01 | 2002-06-20 | Otb Oberflaechentechnik Berlin | Process for the recovery of precious metals |
CN106350670A (en) * | 2016-08-24 | 2017-01-25 | 铜仁市万山区盛和矿业有限责任公司 | Treatment process of pyrrhotite |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3827687A (en) * | 1971-04-21 | 1974-08-06 | Minolta Camera Kk | Device for supporting sensitive paper cassette for electrophotography copier |
DE3637082C1 (en) * | 1986-10-31 | 1988-05-19 | Degussa | Process for leaching precious metals from ores or ore concentrates using cyanide solutions with the addition of hydrogen peroxide |
DE3801741C1 (en) * | 1988-01-22 | 1989-06-15 | Degussa Ag, 6000 Frankfurt, De | |
DE3830703C1 (en) * | 1988-09-09 | 1990-03-22 | Degussa Ag, 6000 Frankfurt, De |
-
1990
- 1990-06-02 DE DE4017899A patent/DE4017899C1/en not_active Expired - Lifetime
-
1991
- 1991-04-15 ZA ZA912798A patent/ZA912798B/en unknown
- 1991-04-22 BR BR919101609A patent/BR9101609A/en not_active IP Right Cessation
- 1991-04-22 AU AU75257/91A patent/AU633203B2/en not_active Ceased
- 1991-05-31 CA CA002043654A patent/CA2043654C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU633203B2 (en) | 1993-01-21 |
AU7525791A (en) | 1991-12-05 |
CA2043654C (en) | 2003-01-14 |
CA2043654A1 (en) | 1991-12-03 |
DE4017899C1 (en) | 1991-11-14 |
BR9101609A (en) | 1992-04-07 |
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