AU633203B2 - A process for leaching gold and silver - Google Patents

A process for leaching gold and silver

Info

Publication number
AU633203B2
AU633203B2 AU75257/91A AU7525791A AU633203B2 AU 633203 B2 AU633203 B2 AU 633203B2 AU 75257/91 A AU75257/91 A AU 75257/91A AU 7525791 A AU7525791 A AU 7525791A AU 633203 B2 AU633203 B2 AU 633203B2
Authority
AU
Australia
Prior art keywords
silver
leaching gold
leaching
gold
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.)
Ceased
Application number
AU75257/91A
Other versions
AU7525791A (en
Inventor
Manfred Diehl
Karl-Heinz Konig
Eckhard Krone
Jurgen Lorosch
Norbert Steiner
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
Degussa GmbH
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.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Publication of AU7525791A publication Critical patent/AU7525791A/en
Application granted granted Critical
Publication of AU633203B2 publication Critical patent/AU633203B2/en
Assigned to DEGUSSA A.G. reassignment DEGUSSA A.G. Alteration of Name(s) in Register under S187 Assignors: DEGUSSA A.G.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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)
AU75257/91A 1990-06-02 1991-04-22 A process for leaching gold and silver Ceased AU633203B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4017899 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
AU7525791A AU7525791A (en) 1991-12-05
AU633203B2 true AU633203B2 (en) 1993-01-21

Family

ID=6407765

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75257/91A Ceased AU633203B2 (en) 1990-06-02 1991-04-22 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (3)

* 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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0358004A2 (en) * 1988-09-09 1990-03-14 Degussa Aktiengesellschaft Process for leaching noble metals using cyanidic solutions with hydrogen peroxide
US4971625A (en) * 1988-01-22 1990-11-20 Degussa Aktiengesellschaft Method for leaching gold and/or silver out of ores or out of ore-concentrates and also out of precious-metal wastes or precious-metal scrap by using cyanide-containing leaching solutions

Family Cites Families (2)

* 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 (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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4971625A (en) * 1988-01-22 1990-11-20 Degussa Aktiengesellschaft Method for leaching gold and/or silver out of ores or out of ore-concentrates and also out of precious-metal wastes or precious-metal scrap by using cyanide-containing leaching solutions
EP0358004A2 (en) * 1988-09-09 1990-03-14 Degussa Aktiengesellschaft Process for leaching noble metals using cyanidic solutions with hydrogen peroxide
AU4119389A (en) * 1988-09-09 1990-03-15 Degussa A.G. Process for leaching noble metals using a leaching solution containing cyanide, and hydrogen peroxide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CA2043654C (en) 2003-01-14
DE4017899C1 (en) 1991-11-14
CA2043654A1 (en) 1991-12-03
AU7525791A (en) 1991-12-05
BR9101609A (en) 1992-04-07
ZA912798B (en) 1992-01-29

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: DEGUSSA AG

Free format text: FORMER OWNER WAS: DEGUSSA AKTIENGESELLSCHAFT