ZW4892A1 - A process for leaching gold and silver - Google Patents

A process for leaching gold and silver

Info

Publication number: ZW4892A1
Authority: ZW; Zimbabwe
Prior art keywords: peroxoborate; leached; silver; mill; gold
Prior art date: 1991-05-03

Application number

ZW48/92A

Other languages

English (en)

Inventor

Juergen Loroesch

Annette Ziegler

Original Assignee

Degussa

Priority date (The priority date 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 date listed.)

1991-05-03

Filing date

1992-03-27

Publication date

1993-02-17

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6430935&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZW4892(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-03-27 Application filed by Degussa filed Critical Degussa

1993-02-17 Publication of ZW4892A1 publication Critical patent/ZW4892A1/xx

Links

238000002386 leaching Methods 0.000 title abstract 4
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title abstract 3
229910052737 gold Inorganic materials 0.000 title abstract 3
239000010931 gold Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
229910052709 silver Inorganic materials 0.000 title abstract 2
239000004332 silver Substances 0.000 title abstract 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
239000000463 material Substances 0.000 abstract 2
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
239000012141 concentrate Substances 0.000 abstract 1
239000007787 solid 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
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding

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)
Chemically Coating (AREA)
Laminated Bodies (AREA)
Manufacture Of Switches (AREA)

ZW48/92A 1991-05-03 1992-03-27 A process for leaching gold and silver ZW4892A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE4114514A DE4114514A1 (de)	1991-05-03	1991-05-03	Verfahren zur laugung von gold und silber

Publications (1)

Publication Number	Publication Date
ZW4892A1 true ZW4892A1 (en)	1993-02-17

Family

ID=6430935

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZW48/92A ZW4892A1 (en)	1991-05-03	1992-03-27	A process for leaching gold and silver

Country Status (9)

Country	Link
EP (1)	EP0512247B1 (fr)
AT (1)	ATE134712T1 (fr)
AU (1)	AU642087B2 (fr)
BR (1)	BR9201586A (fr)
CA (1)	CA2067841A1 (fr)
DE (2)	DE4114514A1 (fr)
ES (1)	ES2084203T3 (fr)
ZA (1)	ZA923190B (fr)
ZW (1)	ZW4892A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19829274C2 (de) *	1998-07-01	2002-06-20	Otb Oberflaechentechnik Berlin	Verfahren zur Rückgewinnung von Edelmetallen
DE102020209885A1 (de)	2020-08-05	2022-02-10	Robert Bosch Gesellschaft mit beschränkter Haftung	Kugelmühle und Verfahren zur Gewinnung von Gold und/oder Silber und/oder mindestens einem Platinmetall
DE102020209884A1 (de)	2020-08-05	2022-02-10	Robert Bosch Gesellschaft mit beschränkter Haftung	Verfahren zur Gewinnung von Gold
DE102020209880A1 (de)	2020-08-05	2022-02-10	Robert Bosch Gesellschaft mit beschränkter Haftung	Verfahren zur Gewinnung von mindestens einem Edelmetall

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU587850B2 (en) *	1985-08-26	1989-08-31	Bendigo Gold Associates Pty. Ltd.	A method of pre-treating an ore with hot alkali to improve the recovery of metal valves
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

1991
- 1991-05-03 DE DE4114514A patent/DE4114514A1/de not_active Withdrawn
1992
- 1992-03-27 ZW ZW48/92A patent/ZW4892A1/xx unknown
- 1992-04-01 EP EP92105566A patent/EP0512247B1/fr not_active Expired - Lifetime
- 1992-04-01 ES ES92105566T patent/ES2084203T3/es not_active Expired - Lifetime
- 1992-04-01 DE DE59205427T patent/DE59205427D1/de not_active Expired - Fee Related
- 1992-04-01 AT AT92105566T patent/ATE134712T1/de not_active IP Right Cessation
- 1992-04-29 BR BR929201586A patent/BR9201586A/pt not_active Application Discontinuation
- 1992-04-30 ZA ZA923190A patent/ZA923190B/xx unknown
- 1992-05-01 CA CA002067841A patent/CA2067841A1/fr not_active Abandoned
- 1992-05-01 AU AU15960/92A patent/AU642087B2/en not_active Ceased

Also Published As

Publication number	Publication date
AU642087B2 (en)	1993-10-07
DE59205427D1 (de)	1996-04-04
ZA923190B (en)	1993-01-27
EP0512247A2 (fr)	1992-11-11
ES2084203T3 (es)	1996-05-01
CA2067841A1 (fr)	1992-11-04
ATE134712T1 (de)	1996-03-15
DE4114514A1 (de)	1992-11-05
EP0512247A3 (en)	1993-05-05
BR9201586A (pt)	1992-12-15
EP0512247B1 (fr)	1996-02-28
AU1596092A (en)	1992-11-05

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