NZ230544A - Process for leaching gold and silver from ores using cyanide and hydrogen peroxide - Google Patents
Process for leaching gold and silver from ores using cyanide and hydrogen peroxideInfo
- Publication number
- NZ230544A NZ230544A NZ230544A NZ23054489A NZ230544A NZ 230544 A NZ230544 A NZ 230544A NZ 230544 A NZ230544 A NZ 230544A NZ 23054489 A NZ23054489 A NZ 23054489A NZ 230544 A NZ230544 A NZ 230544A
- Authority
- NZ
- New Zealand
- Prior art keywords
- ores
- cyanide
- silver
- hydrogen peroxide
- leaching gold
- Prior art date
Links
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title 1
- 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)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3830703A DE3830703C1 (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ230544A true NZ230544A (en) | 1990-09-26 |
Family
ID=6362627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ230544A NZ230544A (en) | 1988-09-09 | 1989-09-04 | Process for leaching gold and silver from ores using cyanide and hydrogen peroxide |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0358004B1 (en) |
AU (1) | AU614420B2 (en) |
CA (1) | CA1332110C (en) |
DE (2) | DE3830703C1 (en) |
ES (1) | ES2054954T3 (en) |
ID (1) | ID1014B (en) |
NZ (1) | NZ230544A (en) |
ZA (1) | ZA896609B (en) |
ZW (1) | ZW10589A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990013676A1 (en) * | 1989-04-28 | 1990-11-15 | Cra Services Limited | Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides |
CA2051698C (en) * | 1989-04-28 | 1997-12-30 | Trevor John Smith | Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides |
DE4017899C1 (en) * | 1990-06-02 | 1991-11-14 | Degussa Ag, 6000 Frankfurt, De | 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 |
DE4323251A1 (en) * | 1993-07-12 | 1995-01-19 | Degussa | Method and apparatus for continuously determining the concentration of hydrogen peroxide and oxidizing agents therefor |
CN1133617A (en) * | 1993-10-21 | 1996-10-16 | 纳幕尔杜邦公司 | Gold lixiviation using nitrogen and sulfur beterocyclic aromatic |
US5484470A (en) * | 1994-07-28 | 1996-01-16 | E. I. Du Pont De Nemours And Company | Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds |
RU2624751C1 (en) * | 2016-04-11 | 2017-07-06 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Method of cyanic leaching of gold and silver |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE66764C (en) * | C. MOLDENHAUER in Frankfurt a. M | Extraction of gold by means of cyanide alkali according to Patent No. 47 358 | ||
US732605A (en) * | 1902-11-18 | 1903-06-30 | Gustav E Thede | Process of leaching ores. |
US2839387A (en) * | 1954-05-28 | 1958-06-17 | Mining Corp Of Canada Ltd | Method for the cyanidation of precious metals |
US4421724A (en) * | 1981-09-08 | 1983-12-20 | Anglo Mineral Resources, Inc. | Extraction method for refractory precious metal ore |
CA1221842A (en) * | 1983-06-03 | 1987-05-19 | Arthur E. Coburn | Treatment of ores |
US4578163A (en) * | 1984-12-03 | 1986-03-25 | Homestake Mining Company | Gold recovery process |
US4814007A (en) * | 1986-01-16 | 1989-03-21 | Henkel Corporation | Recovery of precious metals |
AU554947B3 (en) * | 1986-03-07 | 1986-10-14 | Bendigo Gold Associates Pty. Ltd. | Ore treatment with alkaline solution at elevated temperature with subsequent recovery |
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 |
-
1988
- 1988-09-09 DE DE3830703A patent/DE3830703C1/de not_active Expired - Lifetime
-
1989
- 1989-08-16 ES ES89115067T patent/ES2054954T3/en not_active Expired - Lifetime
- 1989-08-16 DE DE8989115067T patent/DE58904265D1/en not_active Expired - Fee Related
- 1989-08-16 EP EP89115067A patent/EP0358004B1/en not_active Expired - Lifetime
- 1989-08-29 ZA ZA896609A patent/ZA896609B/en unknown
- 1989-09-04 NZ NZ230544A patent/NZ230544A/en unknown
- 1989-09-04 ID IDP351689A patent/ID1014B/en unknown
- 1989-09-08 AU AU41193/89A patent/AU614420B2/en not_active Ceased
- 1989-09-08 ZW ZW105/89A patent/ZW10589A1/en unknown
- 1989-09-08 CA CA000610737A patent/CA1332110C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2054954T3 (en) | 1994-08-16 |
AU614420B2 (en) | 1991-08-29 |
ZA896609B (en) | 1990-06-27 |
ZW10589A1 (en) | 1990-01-10 |
EP0358004A3 (en) | 1990-04-25 |
EP0358004B1 (en) | 1993-05-05 |
CA1332110C (en) | 1994-09-27 |
EP0358004A2 (en) | 1990-03-14 |
ID1014B (en) | 1996-10-16 |
DE3830703C1 (en) | 1990-03-22 |
DE58904265D1 (en) | 1993-06-09 |
AU4119389A (en) | 1990-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RENW | Renewal (renewal fees accepted) | ||
ASS | Change of ownership |
Owner name: DEGUSSA AG, DE Free format text: OLD OWNER(S): DEGUSSA AKTIENGESELLSCHAFT |