CA2521110A1 - Method for recovery of nonferrous, rare and precious metals from robust minerals - Google Patents

Method for recovery of nonferrous, rare and precious metals from robust minerals Download PDF

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Publication number
CA2521110A1
CA2521110A1 CA002521110A CA2521110A CA2521110A1 CA 2521110 A1 CA2521110 A1 CA 2521110A1 CA 002521110 A CA002521110 A CA 002521110A CA 2521110 A CA2521110 A CA 2521110A CA 2521110 A1 CA2521110 A1 CA 2521110A1
Authority
CA
Canada
Prior art keywords
robust
minerals
nonferrous
rare
recovery
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
CA002521110A
Other languages
French (fr)
Other versions
CA2521110C (en
Inventor
Viatcheslav Dmitrievich Shapovalov
Konstantin Sergeevich Fokin
Aleksandr Nickolaevich Shokhin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2521110A1 publication Critical patent/CA2521110A1/en
Application granted granted Critical
Publication of CA2521110C publication Critical patent/CA2521110C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
    • 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

Abstract

The method is referred to hydrometallurgy process and it serves for recovery of nonferrous, rare and precious metals from robust (hard to process) minerals, which may contain natural carbon or other robust compounds. This invention is aimed at increasing the recovery of nonferrous, rare and precious metals from robust minerals with simultaneous reduction of processing costs.
The objective is attained, as the method for recovery of nonferrous, rare and precious metals from robust minerals envisages the processing of robust carbon-containing minerals by oxygen-containing oxidant with subsequent extraction of precious metal compounds from liquid phase, moreover, the treatment of robust carbon-containing minerals by oxygen-containing oxidant is performed in the presence of reducing agents featuring donor-acceptor properties, which are manifested in the fact that at the first stage of chemical reactions the reducing agents give their electrons to oxygen-containing oxidant and, as a result, form a stronger oxidant than the initial one, in the from of short-lived radicals and intermediate oxidation products of donor-acceptor reducing agents, which are oxidants, as well.
CA002521110A 2003-04-02 2003-04-02 Method for recovery of nonferrous, rare and precious metals from robust minerals Expired - Fee Related CA2521110C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2003/000131 WO2004087970A1 (en) 2003-04-02 2003-04-02 Method for recovery of nonferrous, rare and precious metals from robust minerals

Publications (2)

Publication Number Publication Date
CA2521110A1 true CA2521110A1 (en) 2004-10-14
CA2521110C CA2521110C (en) 2008-02-19

Family

ID=33129389

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002521110A Expired - Fee Related CA2521110C (en) 2003-04-02 2003-04-02 Method for recovery of nonferrous, rare and precious metals from robust minerals

Country Status (5)

Country Link
US (1) US20060144191A1 (en)
AU (1) AU2003269743B2 (en)
CA (1) CA2521110C (en)
GB (1) GB2414740B (en)
WO (1) WO2004087970A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009017434A1 (en) * 2007-07-30 2009-02-05 Shapovalov Viatcheslav Dmitrie Method for recovering non-ferrous, rare, radioactive and precious metals from refractory mineral raw materials
EP2536860A1 (en) 2010-02-18 2012-12-26 Neomet Technologies Inc. Process for the recovery of gold from an ore in chloride medium with a nitrogen species
JP2013527307A (en) 2010-02-18 2013-06-27 ネオメット テクノロジーズ インコーポレイテッド Metal and hydrochloric acid recovery methods

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793429A (en) * 1972-02-18 1974-02-19 Kennecott Copper Corp Nitric acid process for recovering metal values from sulfide ore materials containing iron sulfides
US4439235A (en) * 1982-02-04 1984-03-27 James J. Shepard, Jr. Chlorination process for removing precious metals from ore
US4505537A (en) * 1982-06-24 1985-03-19 Ricoh Company, Ltd. Light scanning apparatus
ZA84929B (en) * 1983-02-22 1984-09-26 Sueddeutsche Kalkstickstoff Hydrometallurgical recovery of noble metals using thiourea
US4626417A (en) * 1983-09-29 1986-12-02 Union Oil Company Of California Methods for chemically reducing nitrogen oxides
US4605537A (en) * 1984-09-17 1986-08-12 Freeport Minerals Company Sulfide as a hypochlorite kill agent
US4979986A (en) * 1988-02-22 1990-12-25 Newmont Gold Company And Outomec U.S.A., Inc. Rapid oxidation process of carbonaceous and pyritic gold-bearing ores by chlorination
US5158582A (en) * 1988-05-30 1992-10-27 Hitachi Zosen Corporation Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas
US5425800A (en) * 1993-10-26 1995-06-20 Fmc Corporation Recovery of precious metal values from refractory ores
US6264909B1 (en) * 1996-02-29 2001-07-24 Drinkard Metalox, Inc. Nitric acid production and recycle
WO2002042503A1 (en) * 2000-11-21 2002-05-30 Orthotech Industrial Corporation Recovery of precious metals from carbonaceous refractory ores

Also Published As

Publication number Publication date
GB2414740B (en) 2006-07-19
AU2003269743B2 (en) 2009-01-15
AU2003269743A1 (en) 2004-10-25
WO2004087970A1 (en) 2004-10-14
CA2521110C (en) 2008-02-19
GB2414740A (en) 2005-12-07
GB0519960D0 (en) 2005-11-09
US20060144191A1 (en) 2006-07-06

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Effective date: 20140402