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AU4119389A - 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
AU4119389A
AU4119389A AU41193/89A AU4119389A AU4119389A AU 4119389 A AU4119389 A AU 4119389A AU 41193/89 A AU41193/89 A AU 41193/89A AU 4119389 A AU4119389 A AU 4119389A AU 4119389 A AU4119389 A AU 4119389A
Authority
AU
Australia
Prior art keywords
leaching
solution containing
hydrogen peroxide
noble metals
containing cyanide
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.)
Granted
Application number
AU41193/89A
Other versions
AU614420B2 (en
Inventor
Steven Gos
Dr. Helmut Knorre
Jurgen Dr. Lorosch
Mathias Stoll
Annette Ziegler
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 AU4119389A publication Critical patent/AU4119389A/en
Application granted granted Critical
Publication of AU614420B2 publication Critical patent/AU614420B2/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)
  • Catalysts (AREA)
AU41193/89A 1988-09-09 1989-09-08 Process for leaching noble metals using a leaching solution containing cyanide, and hydrogen peroxide Ceased AU614420B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3830703A DE3830703C1 (en) 1988-09-09 1988-09-09
DE3830703 1988-09-09

Publications (2)

Publication Number Publication Date
AU4119389A true AU4119389A (en) 1990-03-15
AU614420B2 AU614420B2 (en) 1991-08-29

Family

ID=6362627

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41193/89A Ceased AU614420B2 (en) 1988-09-09 1989-09-08 Process for leaching noble metals using a leaching solution containing cyanide, and hydrogen peroxide

Country Status (9)

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

Cited By (3)

* 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
GB2248633A (en) * 1989-04-28 1992-04-15 Cra Services Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
AU633203B2 (en) * 1990-06-02 1993-01-21 Degussa A.G. A process for leaching gold and silver

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323251A1 (en) * 1993-07-12 1995-01-19 Degussa Method and apparatus for continuously determining the concentration of hydrogen peroxide and oxidizing agents therefor
CN1133617A (en) * 1993-10-21 1996-10-16 纳幕尔杜邦公司 Gold lixiviation using nitrogen and sulfur beterocyclic aromatic
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
RU2624751C1 (en) * 2016-04-11 2017-07-06 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Method of cyanic leaching of gold and silver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE66764C (en) * C. MOLDENHAUER in Frankfurt a. M Extraction of gold by means of cyanide alkali according to Patent No. 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 (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

Cited By (5)

* 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
GB2248633A (en) * 1989-04-28 1992-04-15 Cra Services Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
GB2248633B (en) * 1989-04-28 1993-03-17 Cra Services Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
US5262136A (en) * 1989-04-28 1993-11-16 Cra Services Limited Recovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxides
AU633203B2 (en) * 1990-06-02 1993-01-21 Degussa A.G. A process for leaching gold and silver

Also Published As

Publication number Publication date
DE58904265D1 (en) 1993-06-09
EP0358004A2 (en) 1990-03-14
DE3830703C1 (en) 1990-03-22
EP0358004B1 (en) 1993-05-05
ID1014B (en) 1996-10-16
ZA896609B (en) 1990-06-27
CA1332110C (en) 1994-09-27
EP0358004A3 (en) 1990-04-25
NZ230544A (en) 1990-09-26
ZW10589A1 (en) 1990-01-10
AU614420B2 (en) 1991-08-29
ES2054954T3 (en) 1994-08-16

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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