CA2722494C - Procede d'oxydation catalytique a pression ambiante d'un concentre d'or refractaire riche en souffre et en arsenic - Google Patents

Procede d'oxydation catalytique a pression ambiante d'un concentre d'or refractaire riche en souffre et en arsenic Download PDF

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Publication number
CA2722494C
CA2722494C CA2722494A CA2722494A CA2722494C CA 2722494 C CA2722494 C CA 2722494C CA 2722494 A CA2722494 A CA 2722494A CA 2722494 A CA2722494 A CA 2722494A CA 2722494 C CA2722494 C CA 2722494C
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CA
Canada
Prior art keywords
ozone
refractory gold
gold concentrate
sulfur
concentrate
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.)
Expired - Fee Related
Application number
CA2722494A
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English (en)
Other versions
CA2722494A1 (fr
Inventor
Dengxing Li
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.)
Donghua University
Original Assignee
Donghua University
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 Donghua University filed Critical Donghua University
Publication of CA2722494A1 publication Critical patent/CA2722494A1/fr
Application granted granted Critical
Publication of CA2722494C publication Critical patent/CA2722494C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • 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
    • C22B11/04—Obtaining noble metals by wet processes
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • 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
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
CA2722494A 2008-06-13 2008-11-25 Procede d'oxydation catalytique a pression ambiante d'un concentre d'or refractaire riche en souffre et en arsenic Expired - Fee Related CA2722494C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2008100389391A CN101314815B (zh) 2008-06-13 2008-06-13 一种高硫高砷难选金精矿常压催化氧化方法
CN200810038939.1 2008-06-13
PCT/CN2008/001924 WO2009149590A1 (fr) 2008-06-13 2008-11-25 Procédé d’oxydation catalytique à pression ambiante d’un concentré d’or réfractaire riche en souffre et en arsenic

Publications (2)

Publication Number Publication Date
CA2722494A1 CA2722494A1 (fr) 2009-12-17
CA2722494C true CA2722494C (fr) 2016-04-05

Family

ID=40105960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2722494A Expired - Fee Related CA2722494C (fr) 2008-06-13 2008-11-25 Procede d'oxydation catalytique a pression ambiante d'un concentre d'or refractaire riche en souffre et en arsenic

Country Status (3)

Country Link
CN (1) CN101314815B (fr)
CA (1) CA2722494C (fr)
WO (1) WO2009149590A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102115814B (zh) * 2010-12-14 2016-04-13 哈尔滨工业大学（威海） 难处理多金属硫化物金精矿的常压催化氧化方法
CN102181632A (zh) * 2011-05-10 2011-09-14 长春黄金研究院 一种碳质难浸金精矿的湿法预处理方法
US9371228B2 (en) * 2013-09-12 2016-06-21 Air Products And Chemicals, Inc. Integrated process for production of ozone and oxygen
CN105349797B (zh) * 2014-08-20 2018-05-22 中国科学院过程工程研究所 一种含金尾矿或氰化尾渣预处理脱硅浸金的方法
CN104313343B (zh) * 2014-11-11 2016-02-24 南华大学 一种高砷含金硫精矿氧化焙烧-微波辅助浸出提金方法
CN108034836A (zh) * 2017-11-30 2018-05-15 广西大学 硫化物型金精矿的预氧化方法
DE102020209884A1 (de) * 2020-08-05 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Gewinnung von Gold

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647307A (en) * 1983-01-18 1987-03-03 Rein Raudsepp Process for recovering gold and silver from refractory ores
CN1004426B (zh) * 1987-06-22 1989-06-07 中国科学院化工冶金研究所 催化氧化酸法预处理难冶炼金精矿
US5071477A (en) * 1990-05-03 1991-12-10 American Barrick Resources Corporation of Toronto Process for recovery of gold from refractory ores
CN100371478C (zh) * 2006-02-11 2008-02-27 欧华北 含砷、锑难处理金矿石的湿法预处理及无氰提金方法
CN100404707C (zh) * 2006-08-03 2008-07-23 山东国大黄金股份有限公司 含砷金精矿提取金银方法

Also Published As

Publication number Publication date
WO2009149590A1 (fr) 2009-12-17
CA2722494A1 (fr) 2009-12-17
CN101314815A (zh) 2008-12-03
CN101314815B (zh) 2010-09-08

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