BRPI0409082A - recuperação de metal precioso usando lixiviante de tiocianato - Google Patents

recuperação de metal precioso usando lixiviante de tiocianato

Info

Publication number
BRPI0409082A
BRPI0409082A BRPI0409082-9A BRPI0409082A BRPI0409082A BR PI0409082 A BRPI0409082 A BR PI0409082A BR PI0409082 A BRPI0409082 A BR PI0409082A BR PI0409082 A BRPI0409082 A BR PI0409082A
Authority
BR
Brazil
Prior art keywords
precious metal
thiocyanate
leaching
complex
cyanide
Prior art date
Application number
BRPI0409082-9A
Other languages
English (en)
Inventor
Rong Yu Wan
K Mark Levier
Original Assignee
Newmont Usa Ltd
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 Newmont Usa Ltd filed Critical Newmont Usa Ltd
Publication of BRPI0409082A publication Critical patent/BRPI0409082A/pt

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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0073—Leaching or slurrying with acids or salts thereof containing nitrogen
    • C22B15/0076—Cyanide groups
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

"RECUPERAçãO DE METAL PRECIOSO USANDO LIXIVIANTE DE TIOCIANATO". Um material mineral contendo metal precioso é submetido a uma lixiviação ácida com tiocianato para dissolver o metal precioso como um complexo de metal precioso e tiocianato. Uma alimentação da solução de lixiviação de tiocianato pode incluir uma elevada razão molar de ferro férrico para tiocianato. Metal precioso pode ser removido a partir da solução de lixiviação de tiocianato enriquecida, por exemplo, pela transferência de metal precioso de complexo de metal precioso e tiocianato para complexo de metal precioso e cianeto, e, a seguir, carregamento do complexo de metal precioso e cianeto por sobre um material adsorvente. O cianeto remanescente na solução de lixiviação de tiocianato pode ser convertido a tiocianato para lixiviação adicional de metal precioso.
BRPI0409082-9A 2003-04-04 2004-03-25 recuperação de metal precioso usando lixiviante de tiocianato BRPI0409082A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46079503P 2003-04-04 2003-04-04
US47004503P 2003-05-12 2003-05-12
PCT/US2004/009213 WO2004092448A2 (en) 2003-04-04 2004-03-25 Precious metal recovery using thiocyanate lixiviant

Publications (1)

Publication Number Publication Date
BRPI0409082A true BRPI0409082A (pt) 2006-04-18

Family

ID=33303028

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409082-9A BRPI0409082A (pt) 2003-04-04 2004-03-25 recuperação de metal precioso usando lixiviante de tiocianato

Country Status (11)

Country Link
US (4) US7285256B2 (pt)
EP (1) EP1629129A4 (pt)
AR (2) AR043821A1 (pt)
AU (1) AU2004230680B2 (pt)
BR (1) BRPI0409082A (pt)
CA (2) CA2520039C (pt)
CL (1) CL2004000703A1 (pt)
EA (1) EA009842B1 (pt)
MX (1) MXPA05010715A (pt)
PE (1) PE20050558A1 (pt)
WO (1) WO2004092448A2 (pt)

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CN109499625B (zh) * 2018-11-06 2021-09-28 长春黄金研究院有限公司 一种载金树脂高效洗脱方法
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Also Published As

Publication number Publication date
WO2004092448A2 (en) 2004-10-28
US20090288521A1 (en) 2009-11-26
WO2004092448A3 (en) 2005-12-29
PE20050558A1 (es) 2005-07-13
CA2520039C (en) 2010-05-25
AR043821A1 (es) 2005-08-17
US20080066578A1 (en) 2008-03-20
US7947108B2 (en) 2011-05-24
CA2693271A1 (en) 2004-10-28
EA009842B1 (ru) 2008-04-28
AU2004230680A1 (en) 2004-10-28
US20080066577A1 (en) 2008-03-20
AU2004230680B2 (en) 2010-07-01
CA2693271C (en) 2012-05-29
CL2004000703A1 (es) 2005-03-18
EP1629129A2 (en) 2006-03-01
EA200501574A1 (ru) 2006-06-30
US20040197249A1 (en) 2004-10-07
US7559973B2 (en) 2009-07-14
CA2520039A1 (en) 2004-10-28
US7537640B2 (en) 2009-05-26
MXPA05010715A (es) 2006-04-18
AR079172A2 (es) 2011-12-28
US7285256B2 (en) 2007-10-23
EP1629129A4 (en) 2008-05-28

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