ZA923515B - Recovery of cyanide from precious metal tailings - Google Patents

Recovery of cyanide from precious metal tailings

Info

Publication number
ZA923515B
ZA923515B ZA923515A ZA923515A ZA923515B ZA 923515 B ZA923515 B ZA 923515B ZA 923515 A ZA923515 A ZA 923515A ZA 923515 A ZA923515 A ZA 923515A ZA 923515 B ZA923515 B ZA 923515B
Authority
ZA
South Africa
Prior art keywords
cyanide
recovery
precious metal
metal tailings
tailings
Prior art date
Application number
ZA923515A
Other languages
English (en)
Inventor
Henry Albert Pfeffer
Albert Pfeffer Henry
Gary Edwin Wolfe
Edwin Wolfe Gary
Original Assignee
Fmc 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 Fmc Corp filed Critical Fmc Corp
Publication of ZA923515B publication Critical patent/ZA923515B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous
    • Y10S210/904—-CN containing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
ZA923515A 1991-06-05 1992-05-14 Recovery of cyanide from precious metal tailings ZA923515B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/710,479 US5364605A (en) 1991-06-05 1991-06-05 Recovery of cyanide from precious metal tailings

Publications (1)

Publication Number Publication Date
ZA923515B true ZA923515B (en) 1993-02-24

Family

ID=24854204

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA923515A ZA923515B (en) 1991-06-05 1992-05-14 Recovery of cyanide from precious metal tailings

Country Status (3)

Country Link
US (1) US5364605A (fr)
CA (1) CA2070087C (fr)
ZA (1) ZA923515B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482694A (en) * 1994-08-19 1996-01-09 Canadian Liquid Air Ltd.-Air Liquide Canada Ltee. Regeneration of cyanide by oxidation of thiocyanate
DE19600774A1 (de) * 1996-01-11 1997-07-17 Biotecon Ges Fuer Biotechnologische Entwicklung & Consulting Mbh Cyanidentfernung aus Prozeßwasser
WO2000034288A1 (fr) * 1998-12-08 2000-06-15 E.I. Du Pont De Nemours And Company Procede permettant l'elimination de cyanide dans les reactions produisant 1,3 diones
US6200545B1 (en) 1999-01-22 2001-03-13 Dreisinger Consulting Inc Cyanide recovery by solvent extraction
US6797246B2 (en) 1999-09-20 2004-09-28 Danny L. Hopkins Apparatus and method for cleaning, neutralizing and recirculating exhaust air in a confined environment
US6241809B1 (en) 1999-09-20 2001-06-05 Dan Hopkins Apparatus and method for liquid scrubbing contaminants from a gas flow
US7241264B2 (en) * 2003-06-30 2007-07-10 Ethicon, Inc. Variable-pitch cam mechanism for tension devices
EA020950B1 (ru) 2007-09-17 2015-03-31 Баррик Гольд Корпорейшн Способ усовершенствования восстановления золота из двойных тугоплавких золотосодержащих руд
US8262770B2 (en) 2007-09-18 2012-09-11 Barrick Gold Corporation Process for controlling acid in sulfide pressure oxidation processes
CA2699873C (fr) * 2007-09-18 2013-05-14 Barrick Gold Corporation Procede de recuperation d'or et d'argent a partir de minerais refractaires
CA2734611C (fr) * 2011-03-18 2014-09-09 Suncor Energy Inc. Unite de recuperation de naphta dans des residus et procede pour purifier des particules de residus entrainees par un circuit de solvant naphteniques de tete
CN102701485A (zh) * 2012-06-19 2012-10-03 安徽朝山新材料股份有限公司 一种含氰污水的处理回收系统
CN104140168A (zh) * 2014-07-17 2014-11-12 瓮福（集团）有限责任公司 一种处理选矿尾矿水的方法
CN108793509A (zh) * 2018-07-15 2018-11-13 长春黄金研究院有限公司 一种氰化尾渣高压循环逆流洗涤回收氰化物的方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590146A (en) * 1949-03-24 1952-03-25 Freeport Sulphur Co Production of hydrogen cyanide
US3101320A (en) * 1961-01-11 1963-08-20 Lancy Lab Conditioning cyanide compounds
US3275547A (en) * 1964-07-20 1966-09-27 Bucksteeg Wilhelm Method of treating sewage
FR1560450A (fr) * 1968-01-16 1969-03-21
US3592586A (en) * 1969-02-17 1971-07-13 Franke Plating Works Method for treating cyanide wastes
US3617567A (en) * 1969-05-15 1971-11-02 Du Pont Destruction of cyanide in aqueous solutions
DE2260248C3 (de) * 1972-12-08 1981-08-27 Linde Ag, 6200 Wiesbaden Verfahren und Vorrichtung zur Entfernung von Cyanwasserstoff aus Gasen
US4176060A (en) * 1978-01-03 1979-11-27 Ciba-Geigy Corporation Process for soluble cyanide removal from wastewater streams
US4189307A (en) * 1978-06-26 1980-02-19 Texaco Development Corporation Production of clean HCN-free synthesis gas
US4321145A (en) * 1980-06-11 1982-03-23 Carlson Lee G Ion exchange treatment for removing toxic metals and cyanide values from waste waters
EP0054371B1 (fr) * 1980-12-12 1985-03-27 Interox Chemicals Limited Procédé de détoxication
FI65712C (fi) * 1982-09-09 1984-07-10 Outokumpu Oy Foerfarande foer rengoering av cyanidhaltiga i metallurgisk inustri alstrade gasers tvaettvatten
CA1240521A (fr) * 1985-09-23 1988-08-16 Carla C. Frey Extraction de la cyanure des eaux usees, par echange d'ions
US4752400A (en) * 1986-06-25 1988-06-21 Viking Industries Separation of metallic and cyanide ions from electroplating solutions
US4847062A (en) * 1987-09-24 1989-07-11 E. I. Du Pont De Nemours And Company Process for production of sodium cyanide
US4994243A (en) * 1988-10-21 1991-02-19 Cyprus Minerals Company Cyanide regeneration process
DE4041569A1 (de) * 1990-12-22 1992-06-25 Hoechst Ag Verfahren zur aufarbeitung schwefelwasserstoff, cyanwasserstoff und ammoniak enthaltender waessriger loesungen

Also Published As

Publication number Publication date
US5364605A (en) 1994-11-15
AU1738992A (en) 1992-12-24
CA2070087A1 (fr) 1992-12-06
AU635877B2 (en) 1993-04-01
CA2070087C (fr) 1997-08-19

Similar Documents

Publication Publication Date Title
ZA947706B (en) Recovery of precious metal values from refractory ores
AU647694B2 (en) Recovery of precious metal values from refractory ores
PH31247A (en) Production of metals from minerals.
GB9309144D0 (en) Recovery of metals from sulphidic material
ZA905405B (en) Recovery of precious metal
ZW3993A1 (en) Recovery of precious metal
ZA889544B (en) Recovery of non-ferrous metals from dross
ZA936801B (en) A method for recovering gold and other precious metals from carbonaceuous ores
ZA923515B (en) Recovery of cyanide from precious metal tailings
ZA902471B (en) Recovery of metal values from ores
PH23578A (en) Process for the recovery of noble metals from ore concentrates
SG45347A1 (en) Recovery of precious metals from catalyst residue
ZA922643B (en) The recovery of a valuable species from an ore
ZA925795B (en) Process for improved precious metals recovery from ores with the use of alkylhydroxamate collectors
ZA931873B (en) Recovery of precious metal
GB8619735D0 (en) Recovery of precious metals from ores
ZA959750B (en) Improvements to precious metals recovery from ores
ZA926736B (en) Extraction of metal from metal-bearing ore.
ZA926735B (en) Exatraction of metal from metal-bearing ore.
AU635877C (en) Recovery of cyanide from precious metal tailings
ZA903216B (en) Improving recovery of precious metals
GB8927438D0 (en) Recovery of metal values from metal-bearing ores
GB8828454D0 (en) Recovery of metal values from metal-bearing ores
ZA933784B (en) Recovery of precious metals from materials containing said metals
ZA938047B (en) Process for recovering precious metals from tailings