ZA896609B - Process for leaching noble metals using a leaching solution containing cyanide,and hydrogen peroxide - Google Patents

Process for leaching noble metals using a leaching solution containing cyanide,and hydrogen peroxide

Info

Publication number
ZA896609B
ZA896609B ZA896609A ZA896609A ZA896609B ZA 896609 B ZA896609 B ZA 896609B ZA 896609 A ZA896609 A ZA 896609A ZA 896609 A ZA896609 A ZA 896609A ZA 896609 B ZA896609 B ZA 896609B
Authority
ZA
South Africa
Prior art keywords
leaching
solution containing
hydrogen peroxide
noble metals
containing cyanide
Prior art date
Application number
ZA896609A
Other languages
English (en)
Inventor
Helmut Knorre
Knorre Helmut
Jurgen Lorosch
Lorosch Jurgen
Steven Gos
Gos Steven
Mathias Stoll
Stoll Mathias
Annette Ziegler
Ziegler Annette
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 ZA896609B publication Critical patent/ZA896609B/xx

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)
  • Catalysts (AREA)
ZA896609A 1988-09-09 1989-08-29 Process for leaching noble metals using a leaching solution containing cyanide,and hydrogen peroxide ZA896609B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3830703A DE3830703C1 (enExample) 1988-09-09 1988-09-09

Publications (1)

Publication Number Publication Date
ZA896609B true ZA896609B (en) 1990-06-27

Family

ID=6362627

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA896609A ZA896609B (en) 1988-09-09 1989-08-29 Process for leaching noble metals using a leaching solution containing cyanide,and hydrogen peroxide

Country Status (9)

Country Link
EP (1) EP0358004B1 (enExample)
AU (1) AU614420B2 (enExample)
CA (1) CA1332110C (enExample)
DE (2) DE3830703C1 (enExample)
ES (1) ES2054954T3 (enExample)
ID (1) ID1014B (enExample)
NZ (1) NZ230544A (enExample)
ZA (1) ZA896609B (enExample)
ZW (1) ZW10589A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990013676A1 (en) * 1989-04-28 1990-11-15 Cra Services Limited Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
CA2051698C (en) * 1989-04-28 1997-12-30 Trevor John Smith Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
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
DE4323251A1 (de) * 1993-07-12 1995-01-19 Degussa Verfahren und Vorrichtung zur kontinuierlichen Bestimmung der Konzentration von Wasserstoffperoxid und Oxidationsmitteln hierfür
BR9407860A (pt) * 1993-10-21 1997-05-20 Du Pont Processo para dissolver ouro em um sistema de lixiviaçao com ligante e oxidante
US5484470A (en) * 1994-07-28 1996-01-16 E. I. Du Pont De Nemours And Company Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds
RU2168555C2 (ru) * 1999-01-22 2001-06-10 ООО Артель "Восточная" Способ и устройство для выщелачивания богатых золотосодержащих концентратов
RU2202636C1 (ru) * 2001-08-28 2003-04-20 Воробьев-Десятовский Николай Владимирович Способ извлечения золота и серебра из руд
RU2624751C1 (ru) * 2016-04-11 2017-07-06 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Способ цианистого выщелачивания золота и серебра

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE66764C (de) * C. MOLDENHAUER in Frankfurt a. M Extraction des Goldes mittelst Cyanalkali nach Patent Nr. 47 358
US732605A (en) * 1902-11-18 1903-06-30 Gustav E Thede Process of leaching ores.
US2839387A (en) * 1954-05-28 1958-06-17 Mining Corp Of Canada Ltd Method for the cyanidation of precious metals
US4421724A (en) * 1981-09-08 1983-12-20 Anglo Mineral Resources, Inc. Extraction method for refractory precious metal ore
CA1221842A (en) * 1983-06-03 1987-05-19 Arthur E. Coburn Treatment of ores
US4578163A (en) * 1984-12-03 1986-03-25 Homestake Mining Company Gold recovery process
US4814007A (en) * 1986-01-16 1989-03-21 Henkel Corporation Recovery of precious metals
AU554947B3 (en) * 1986-03-07 1986-10-14 Bendigo Gold Associates Pty. Ltd. Ore treatment with alkaline solution at elevated temperature with subsequent recovery
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

Also Published As

Publication number Publication date
ID1014B (id) 1996-10-16
DE3830703C1 (enExample) 1990-03-22
EP0358004A3 (en) 1990-04-25
ZW10589A1 (en) 1990-01-10
EP0358004B1 (de) 1993-05-05
ES2054954T3 (es) 1994-08-16
EP0358004A2 (de) 1990-03-14
CA1332110C (en) 1994-09-27
NZ230544A (en) 1990-09-26
AU614420B2 (en) 1991-08-29
DE58904265D1 (de) 1993-06-09
AU4119389A (en) 1990-03-15

Similar Documents

Publication Publication Date Title
GB8922504D0 (en) Hydrogen peroxide solutions
ZA867040B (en) Heap leaching with oxygen
NZ222354A (en) Leaching gold and/or silver ores using cyanide solutions containing hydrogen peroxide
YU33586A (en) Process for selective hydrogen oxidation
GB2227759B (en) Hydrogen peroxide bleaching process
EP0177293A3 (en) Process for separately recovering gold and silver from solution by carbon adsorption
AU6222586A (en) Leaching precious metals using N-Halonydanton
GB2219602B (en) Workable boron-containing stainless steel alloy,process for making it and article made from it
EP0327496A3 (en) Chemical process
ZA896609B (en) Process for leaching noble metals using a leaching solution containing cyanide,and hydrogen peroxide
AU7326281A (en) A process for recovering noble metals and an electrolyzer foruse in the process
GR910300028T1 (en) Process for manufacturing hydrogen peroxide
DE3662275D1 (en) Copper-chromium-titanium-silicon alloy, process for its production and its use
DE3662176D1 (en) Process, oxidation reactor for a gaseous oxidizable feed and its use
NZ229001A (en) Gold leaching process using an alkaline cyanide solution and a divalent metal peroxide
GR3002920T3 (en) Process for the detoxification of effluents from ore processing operations with hydrogen peroxide, using a magnetic pre-separation stage
EP0416595A3 (en) Process for making nd-fe-b type magnets utilizing a hydrogen and oxygen treatment
HUT52713A (en) Process and catalyzer for asymmetrical additionong hydrogen cyanide into m-phenoxy-benzaldehyde
ZA856246B (en) Smelting process for recovering metals,and apparatus for carrying out that process
ZW18188A1 (en) Process for leaching gold and/or silver from ore concentrates and from noble-metal waste or noble-metal scrap by using cyanide containing leaching solutions
GB8704836D0 (en) Recovering hydrogen & argon from gas
ZA912798B (en) A process for leaching gold and silver
AU589818C (en) A process for leaching noble metals from ores or ore concentrates using cyanide-containing solutions with addition of hydrogen peroxide
ZA91476B (en) Process for extracting noble metals
IL88852A (en) Process for extracting noble metals