ZA912798B - A process for leaching gold and silver - Google Patents

A process for leaching gold and silver

Info

Publication number
ZA912798B
ZA912798B ZA912798A ZA912798A ZA912798B ZA 912798 B ZA912798 B ZA 912798B ZA 912798 A ZA912798 A ZA 912798A ZA 912798 A ZA912798 A ZA 912798A ZA 912798 B ZA912798 B ZA 912798B
Authority
ZA
South Africa
Prior art keywords
silver
leaching gold
leaching
gold
Prior art date
Application number
ZA912798A
Inventor
Manfred Diehl
Diehl Manfred
Karl-Heinz Koenig
Koenig Karl-Heinz
Eckhard Krone
Krone Eckhard
Juergen Loroesch
Loroesch Juergen
Norbert Steiner
Steiner Norbert
Jochen Ullmann
Ullmann Jochen
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 ZA912798B publication Critical patent/ZA912798B/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)
ZA912798A 1990-06-02 1991-04-15 A process for leaching gold and silver ZA912798B (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
ZA912798B true ZA912798B (en) 1992-01-29

Family

ID=6407765

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912798A ZA912798B (en) 1990-06-02 1991-04-15 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)

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
BR9101609A (en) 1992-04-07
AU7525791A (en) 1991-12-05
AU633203B2 (en) 1993-01-21
DE4017899C1 (en) 1991-11-14
CA2043654A1 (en) 1991-12-03

Similar Documents

Publication Publication Date Title
HK102097A (en) Micropump and process for manufacturing a micropump
EP0535436A3 (en) Chipcard and a method for their production
EG16186A (en) Leaching gold silver ores
GB2077247B (en) Process for the recovery of gold and/or silver and/or bismuth contained in a sulfuretted ore and/or sulfoarsenide-containing ore
EP0457593A3 (en) Lead frame and assembly process
HU912539D0 (en) Method for recovering industrial gold
AU547935B2 (en) Leaching gold and silver
GB2245620B (en) A portable constructional element and a process for its production
ZA915842B (en) A process for the enhanced production of silver from gold and silver bearing ore
GB2219474B (en) Gold leaching
ZA912798B (en) A process for leaching gold and silver
NZ230544A (en) Process for leaching gold and silver from ores using cyanide and hydrogen peroxide
EP0501037A3 (en) Weatherstrip and a manufacturing process therefor
ZA91333B (en) Hydrometallurgical leaching process and apparatus
GB8909577D0 (en) A method of recovering silver from photographic processing solutions
ZA88823B (en) Gold process recovery
ZA919627B (en) Leaching process
GB8914629D0 (en) Coextrusion process and die
SG50443A1 (en) 4-substituted-2-hydroxybutanoates and a process for producing them
AU104118S (en) A brooch
ZA898563B (en) Process for heap leaching gold and silver ores
ZA8836B (en) Leaching gold or silver from a feed material
AU624374C (en) Gold leaching
JPS57149523A (en) Elemental material for gold and silver yarn
GB8924267D0 (en) Aqua atom