ZA912202B - Removal of base metals and cyanide from gold-barren cip solutions - Google Patents

Removal of base metals and cyanide from gold-barren cip solutions

Info

Publication number
ZA912202B
ZA912202B ZA912202A ZA912202A ZA912202B ZA 912202 B ZA912202 B ZA 912202B ZA 912202 A ZA912202 A ZA 912202A ZA 912202 A ZA912202 A ZA 912202A ZA 912202 B ZA912202 B ZA 912202B
Authority
ZA
South Africa
Prior art keywords
barren
cyanide
gold
removal
base metals
Prior art date
Application number
ZA912202A
Other languages
English (en)
Inventor
Vaikuntam Iyer Lakshmanan
Iyer Lakshmanan Vaikuntam
Original Assignee
Ortech Corp
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 Ortech Corp filed Critical Ortech Corp
Publication of ZA912202B publication Critical patent/ZA912202B/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
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
ZA912202A 1990-03-30 1991-03-22 Removal of base metals and cyanide from gold-barren cip solutions ZA912202B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9007122A GB9007122D0 (en) 1990-03-30 1990-03-30 Removal of base metals and cyanide from gold-barren c-i-p solutions

Publications (1)

Publication Number Publication Date
ZA912202B true ZA912202B (en) 1991-12-24

Family

ID=10673529

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912202A ZA912202B (en) 1990-03-30 1991-03-22 Removal of base metals and cyanide from gold-barren cip solutions

Country Status (5)

Country Link
US (1) US5290525A (fr)
AU (1) AU635405B2 (fr)
CA (1) CA2038708C (fr)
GB (2) GB9007122D0 (fr)
ZA (1) ZA912202B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2090348A1 (fr) * 1993-02-25 1994-08-26 Denis Keith Kidby Valorisation de la teneur en zinc de solutions renfermant de l'acide cyanhydrique
US5807421A (en) * 1994-03-25 1998-09-15 E. I. Du Pont De Nemours And Company Hydrometallurgical extraction process
US5411575A (en) * 1994-03-25 1995-05-02 E. I. Du Pont De Nemours And Company Hydrometallurgical extraction process
ES2156678B1 (es) * 1998-07-31 2002-03-01 Univ Catalunya Politecnica Nuevo proceso de recuperacion de oro en medio cianuro basado en contactores de membrana en configuracion de fibra hueca.
US6406675B1 (en) 2000-09-13 2002-06-18 Hercules Incorporated Method for reducing cyanide consumption during processing of gold and silver ores to remove base metals
AUPR552601A0 (en) * 2001-06-07 2001-07-12 Unisearch Limited Selective recovery of precious metal(s)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656893A (en) * 1970-07-02 1972-04-18 Du Pont Ion exchange removal of cyanide values
US3984314A (en) * 1974-04-22 1976-10-05 Rohm And Haas Company Process for selective removal and recovery of cyanide values by ion exchange
US4115260A (en) * 1977-04-07 1978-09-19 Rohm And Haas Company Selective removal of iron cyanide anions from fluids containing thiocyanates
US4321145A (en) * 1980-06-11 1982-03-23 Carlson Lee G Ion exchange treatment for removing toxic metals and cyanide values from waste waters
US4267159A (en) * 1980-08-08 1981-05-12 Crane Co. Cyanide recovery
US4708804A (en) * 1985-06-28 1987-11-24 Resource Technology Associates Method for recovery of cyanide from waste streams
CA1240521A (fr) * 1985-09-23 1988-08-16 Carla C. Frey Extraction de la cyanure des eaux usees, par echange d'ions
US4895659A (en) * 1987-04-30 1990-01-23 Regents Of The University Of Minnesota Method for metal and cyanide recovery from plating baths and rinse waters

Also Published As

Publication number Publication date
CA2038708A1 (fr) 1991-10-01
US5290525A (en) 1994-03-01
CA2038708C (fr) 1998-04-14
GB2242422B (en) 1993-12-08
AU635405B2 (en) 1993-03-18
GB2242422A (en) 1991-10-02
GB9007122D0 (en) 1990-05-30
AU7376791A (en) 1991-10-03
GB9106193D0 (en) 1991-05-08

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