BR9101609A - PROCESS FOR GOLD AND SILVER LEACHING - Google Patents

PROCESS FOR GOLD AND SILVER LEACHING

Info

Publication number
BR9101609A
BR9101609A BR919101609A BR9101609A BR9101609A BR 9101609 A BR9101609 A BR 9101609A BR 919101609 A BR919101609 A BR 919101609A BR 9101609 A BR9101609 A BR 9101609A BR 9101609 A BR9101609 A BR 9101609A
Authority
BR
Brazil
Prior art keywords
gold
silver leaching
leaching
silver
Prior art date
Application number
BR919101609A
Other languages
Portuguese (pt)
Inventor
Manfred Dr Diehl
Karl-Heinz Dr Konig
Eckhard Dr Krone
Jurgen Dr Lorosch
Norbert Dr Steiner
Jochen Ullmann
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.)
Filing date
Publication date
Application filed by Degussa filed Critical Degussa
Publication of BR9101609A publication Critical patent/BR9101609A/en

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)
BR919101609A 1990-06-02 1991-04-22 PROCESS FOR GOLD AND SILVER LEACHING BR9101609A (en)

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
BR9101609A true BR9101609A (en) 1992-04-07

Family

ID=6407765

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101609A BR9101609A (en) 1990-06-02 1991-04-22 PROCESS FOR GOLD AND SILVER LEACHING

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)

* 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
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)

* 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
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

Also Published As

Publication number Publication date
CA2043654C (en) 2003-01-14
DE4017899C1 (en) 1991-11-14
CA2043654A1 (en) 1991-12-03
AU633203B2 (en) 1993-01-21
AU7525791A (en) 1991-12-05
ZA912798B (en) 1992-01-29

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 22/04/2011