CA2043654A1 - Procede de lixiviation de l'or et de l'argent - Google Patents

Procede de lixiviation de l'or et de l'argent

Info

Publication number: CA2043654A1
Authority: CA; Canada
Prior art keywords: leaching; peroxoborate; ore; gold; compound
Prior art date: 1990-06-02
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

Application number

CA002043654A

Other languages

English (en)

Other versions

CA2043654C (fr

Inventor

Manfred Diehl

Karl-Heinz Konig

Eckhard Krone

Jurgen Lorosch

Norbert Steinar

Jochen Ullmann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Evonik Operations GmbH

Original Assignee

Individual

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.)

1990-06-02

Filing date

1991-05-31

Publication date

1991-12-03

1991-05-31 Application filed by Individual filed Critical Individual

1991-12-03 Publication of CA2043654A1 publication Critical patent/CA2043654A1/fr

2003-01-14 Application granted granted Critical

2003-01-14 Publication of CA2043654C publication Critical patent/CA2043654C/fr

2011-05-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000002386 leaching Methods 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 5
239000010970 precious metal Substances 0.000 title abstract 2
150000001875 compounds Chemical class 0.000 abstract 3
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 2
239000012141 concentrate Substances 0.000 abstract 2
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 2
229910052737 gold Inorganic materials 0.000 abstract 2
239000010931 gold Substances 0.000 abstract 2
229910052709 silver Inorganic materials 0.000 abstract 2
239000004332 silver Substances 0.000 abstract 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
239000004343 Calcium peroxide Substances 0.000 abstract 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
229910052791 calcium Inorganic materials 0.000 abstract 1
239000011575 calcium Substances 0.000 abstract 1
LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 abstract 1
235000019402 calcium peroxide Nutrition 0.000 abstract 1
125000004093 cyano group Chemical group *C#N 0.000 abstract 1
239000007800 oxidant agent Substances 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1
229910052708 sodium Inorganic materials 0.000 abstract 1
239000011734 sodium 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
- 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)

CA002043654A 1990-06-02 1991-05-31 Procede de lixiviation de l'or et de l'argent Expired - Fee Related CA2043654C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEP4017899.4		1990-06-02
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 (2)

Publication Number	Publication Date
CA2043654A1 true CA2043654A1 (fr)	1991-12-03
CA2043654C CA2043654C (fr)	2003-01-14

Family

ID=6407765

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002043654A Expired - Fee Related CA2043654C (fr)	1990-06-02	1991-05-31	Procede de lixiviation de l'or et de l'argent

Country Status (5)

Country	Link
AU (1)	AU633203B2 (fr)
BR (1)	BR9101609A (fr)
CA (1)	CA2043654C (fr)
DE (1)	DE4017899C1 (fr)
ZA (1)	ZA912798B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5336474A (en) *	1990-06-02	1994-08-09	Degussa Aktiengesellschaft	Process for leaching of precious metals

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4114514A1 (de) *	1991-05-03	1992-11-05	Degussa	Verfahren zur laugung von gold und silber
DE19829274C2 (de) *	1998-07-01	2002-06-20	Otb Oberflaechentechnik Berlin	Verfahren zur Rückgewinnung von Edelmetallen
CN106350670A (zh) *	2016-08-24	2017-01-25	铜仁市万山区盛和矿业有限责任公司	一种磁黄铁矿的处理工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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 (de) *	1986-10-31	1988-05-19	Degussa	Verfahren zur Laugung von Edelmetallen aus Erzen oder Erzkonzentraten mit cyanidischen Loesungen unter Zusatz von Wasserstoffperoxid
DE3801741C1 (fr) *	1988-01-22	1989-06-15	Degussa Ag, 6000 Frankfurt, De
DE3830703C1 (fr) *	1988-09-09	1990-03-22	Degussa Ag, 6000 Frankfurt, De

1990
- 1990-06-02 DE DE4017899A patent/DE4017899C1/de not_active Expired - Lifetime
1991
- 1991-04-15 ZA ZA912798A patent/ZA912798B/xx unknown
- 1991-04-22 AU AU75257/91A patent/AU633203B2/en not_active Ceased
- 1991-04-22 BR BR919101609A patent/BR9101609A/pt not_active IP Right Cessation
- 1991-05-31 CA CA002043654A patent/CA2043654C/fr not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5336474A (en) *	1990-06-02	1994-08-09	Degussa Aktiengesellschaft	Process for leaching of precious metals

Also Published As

Publication number	Publication date
AU633203B2 (en)	1993-01-21
DE4017899C1 (en)	1991-11-14
AU7525791A (en)	1991-12-05
ZA912798B (en)	1992-01-29
BR9101609A (pt)	1992-04-07
CA2043654C (fr)	2003-01-14

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Legal Events

Date	Code	Title	Description
1996-11-12	EEER	Examination request
2005-05-31	MKLA	Lapsed