DE19781668T1 - Rückgewinnung von Metallwerten aus Feststoffen durch Aufschluß in einem Schwefelsäuremedium enthaltend ein Reduktionsmittel - Google Patents

Rückgewinnung von Metallwerten aus Feststoffen durch Aufschluß in einem Schwefelsäuremedium enthaltend ein Reduktionsmittel

Info

Publication number
DE19781668T1
DE19781668T1 DE19781668T DE19781668T DE19781668T1 DE 19781668 T1 DE19781668 T1 DE 19781668T1 DE 19781668 T DE19781668 T DE 19781668T DE 19781668 T DE19781668 T DE 19781668T DE 19781668 T1 DE19781668 T1 DE 19781668T1
Authority
DE
Germany
Prior art keywords
digestion
solids
recovery
sulfuric acid
reducing agent
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.)
Withdrawn
Application number
DE19781668T
Other languages
English (en)
Inventor
Robert A Hard
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.)
Cabot Corp
Original Assignee
Cabot 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 Cabot Corp filed Critical Cabot Corp
Publication of DE19781668T1 publication Critical patent/DE19781668T1/de
Withdrawn legal-status Critical Current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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • 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
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE19781668T 1996-03-26 1997-03-14 Rückgewinnung von Metallwerten aus Feststoffen durch Aufschluß in einem Schwefelsäuremedium enthaltend ein Reduktionsmittel Withdrawn DE19781668T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/623,852 US6843970B1 (en) 1996-03-26 1996-03-26 Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent
PCT/US1997/004013 WO1997036013A1 (en) 1996-03-26 1997-03-14 Recovery of metal values from solids by digestion in sulfuric acid medium including a reductant

Publications (1)

Publication Number Publication Date
DE19781668T1 true DE19781668T1 (de) 1999-04-08

Family

ID=24499641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19781668T Withdrawn DE19781668T1 (de) 1996-03-26 1997-03-14 Rückgewinnung von Metallwerten aus Feststoffen durch Aufschluß in einem Schwefelsäuremedium enthaltend ein Reduktionsmittel

Country Status (8)

Country Link
US (1) US6843970B1 (de)
JP (1) JP2000507306A (de)
CN (1) CN1068063C (de)
AU (1) AU2325197A (de)
BR (1) BR9710412A (de)
DE (1) DE19781668T1 (de)
RU (1) RU2192490C2 (de)
WO (1) WO1997036013A1 (de)

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
AU751902B2 (en) * 1997-09-04 2002-08-29 Phillips Petroleum Company Carbon catalyzed leaching of metal-containing ores in ferric sulphate or sulphuric acid solution
AU2008253545B2 (en) 2007-05-21 2012-04-12 Orbite Aluminae Inc. Processes for extracting aluminum and iron from aluminous ores
WO2009052007A1 (en) * 2007-10-15 2009-04-23 Hi-Temp Specialty Metals, Inc. Method for the production of tantalum powder using reclaimed scrap as source material
CA2754117C (en) * 2009-03-20 2015-09-15 Bomi P. Framroze Improving the recovery of precious metals from recalcitrant refractory ore
EP2686458A4 (de) 2011-03-18 2015-04-15 Orbite Aluminae Inc Verfahren zur wiedergewinnung von seltenerdelementen aus aluminiumhaltigen materialien
EP3141621A1 (de) 2011-05-04 2017-03-15 Orbite Aluminae Inc. Verfahren zur wiedergewinnung von seltenerdelementen aus verschiedenen erzen
RU2013157943A (ru) 2011-06-03 2015-07-20 Орбит Элюминэ Инк. Способ получения гематита
CA2848751C (en) 2011-09-16 2020-04-21 Orbite Aluminae Inc. Processes for preparing alumina and various other products
BR112014016732A8 (pt) 2012-01-10 2017-07-04 Orbite Aluminae Inc processos para tratar lama vermelha
WO2013142957A1 (en) 2012-03-29 2013-10-03 Orbite Aluminae Inc. Processes for treating fly ashes
MY175471A (en) 2012-07-12 2020-06-29 Orbite Tech Inc Processes for preparing titanium oxide and various other products
JP2015535886A (ja) 2012-09-26 2015-12-17 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
CN105189357A (zh) 2012-11-14 2015-12-23 奥佰特氧化铝有限公司 纯化铝离子的方法
CN104745807A (zh) * 2013-12-31 2015-07-01 北京有色金属研究总院 一种提取铌钽矿中有价金属元素的方法
CN111778519B (zh) * 2020-05-20 2022-05-31 金川集团股份有限公司 一种消解镍电解溶液中的固体杂质元素铅、锌、硒的方法

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA770058A (en) * 1967-10-24 Whigham William Process for recovery of vanadium
US2767047A (en) 1953-10-20 1956-10-16 Harley A Wilhelm Process of separating tantalum and niobium values from each other
US2962372A (en) 1958-01-17 1960-11-29 Union Carbide Corp Columbium and tantalum separation
US2953453A (en) * 1958-06-20 1960-09-20 Nat Distillers Chem Corp Recovery of columbium values
US3117833A (en) 1958-09-25 1964-01-14 Fansteel Metallurgical Corp Process of purifying and separating columbium and tantalum values from each other
US3300297A (en) 1964-05-26 1967-01-24 Kawecki Chemical Company Beneficiation of tantalum- and columbium-bearing tin slags
US3658511A (en) 1969-12-22 1972-04-25 Kawecki Berylco Ind Upgrading the tantalum and columbium contents of oxidic metallurgical products
US3712939A (en) 1971-03-29 1973-01-23 Union Carbide Corp Method for recovering tantalum and/or columbium
DE2435427A1 (de) 1974-07-23 1976-02-05 Starck Hermann C Fa Verfahren zur verarbeitung von tantalniob-haltigen schlacken und rueckstaenden
US4155982A (en) 1974-10-09 1979-05-22 Wyoming Mineral Corporation In situ carbonate leaching and recovery of uranium from ore deposits
US4233278A (en) 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US4164417A (en) 1978-04-28 1979-08-14 Kawecki Berylco Industries, Inc. Process for recovery of niobium values for use in preparing niobium alloy products
US4247522A (en) 1978-06-27 1981-01-27 Gardinier, Inc. Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agent
US4234555A (en) 1978-06-29 1980-11-18 The United States Of America As Represented By The United States Department Of Energy Removal of uranium from aqueous HF solutions
US4278640A (en) 1979-03-19 1981-07-14 International Minerals & Chemical Corporation Method for solvent extraction of metallic mineral values from acidic solutions
FR2459293B1 (fr) * 1979-06-15 1985-09-27 Siderurgie Fse Inst Rech Procede et dispositif de traitement hydrometallurgique des poussieres metallurgiques
JPS5853698B2 (ja) * 1979-06-19 1983-11-30 三菱化学株式会社 タンタル濃縮物の製造法
DE2927835A1 (de) 1979-07-10 1981-06-04 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur rueckgewinnung von fluorwasserstoffsaeure und deponierfaehigen rueckstaenden bei der verarbeitung niob- und/oder tantal-haltiger rohstoffe
US4320093A (en) 1979-11-13 1982-03-16 Bohumil Volesky Separation of uranium by biosorption
US4293528A (en) 1979-11-19 1981-10-06 Mobil Oil Corporation Yellowcake processing in uranium recovery
JPS56114831A (en) 1980-02-15 1981-09-09 Toshiba Corp Recovery of tantalum from scrap containing tantalum
CA1144376A (fr) 1980-06-02 1983-04-12 Gilles Legault Procede de lixiviation d'un minerai de niobium et ou de tantale
US4446116A (en) 1981-04-02 1984-05-01 Hermann C. Starck Bertin Process for recovering niobium and/or tantalum compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
US4451438A (en) 1982-03-26 1984-05-29 Herman C. Starck Berlin Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
US4477416A (en) 1982-09-27 1984-10-16 Union Carbide Corporation Salt roasting of vanadium ore in the presence of carbon
US4412861A (en) 1982-10-27 1983-11-01 Kreuzmann Alvin B Method for the recovery of uranium values from uranium tetrafluoride
US4743271A (en) 1983-02-17 1988-05-10 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel
US4536034A (en) 1983-04-14 1985-08-20 Mobil Oil Corporation Method for immobilizing contaminants in previously leached ores
US4695290A (en) 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
US4663130A (en) 1983-11-14 1987-05-05 Cabot Corporation Process for dissolving tantalum/columbium materials containing alkali metal impurities
US4654200A (en) 1984-06-01 1987-03-31 Inderjit Nirdosh Processes for extracting radium from uranium mill tailings
JPS61146717A (ja) 1984-12-18 1986-07-04 Sumitomo Chem Co Ltd タンタルの精製方法
US4753033A (en) 1985-03-24 1988-06-28 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel from high calcium coal
US5232490A (en) * 1985-11-27 1993-08-03 Leadville Silver And Gold Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials
US4718996A (en) 1986-01-24 1988-01-12 Gte Products Corporation Recovery of tungsten, scandium, iron, and manganese values from tungsten bearing material
US4808384A (en) 1986-06-23 1989-02-28 Gte Products Corporation Recovery of tungsten, scandium, iron, and manganese from tungsten bearing material
BR8703766A (pt) 1987-07-20 1989-01-31 Mamore Mineracao E Metalurgica Processo para a abertura de minerios
US4778663A (en) 1987-08-27 1988-10-18 American Cyanamid Company Uranium recovery from wet process phosphoric acid unsymmetrical phosphine oxides
US5023059A (en) 1988-11-02 1991-06-11 Bielecki Edwin J Recovery of metal values and hydrofluoric acid from tantalum and columbium waste sludge
US5084253A (en) 1989-11-13 1992-01-28 Nuclear Metals, Inc. Method of removing niobium from uranium-niobium alloy
DE4021207A1 (de) 1990-07-03 1992-01-16 Starck Hermann C Fa Verfahren zur gewinnung und trennung von tantal und niob
US5273725A (en) 1992-05-29 1993-12-28 Eco Tek, Inc. Metal and fluorine values recovery from mineral ore treatment
US5384105A (en) 1992-05-29 1995-01-24 Eco Tek, Inc. Metal and fluorine values recovery from mineral ore treatment
US5437848A (en) 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues
US5492680A (en) 1994-08-04 1996-02-20 The United States Of America As Represented By The Secretary Of The Interior Separation of scandium from tantalum residue using fractional liquid-liquid extraction

Also Published As

Publication number Publication date
US6843970B1 (en) 2005-01-18
CN1068063C (zh) 2001-07-04
BR9710412A (pt) 1999-08-17
RU2192490C2 (ru) 2002-11-10
CN1219980A (zh) 1999-06-16
WO1997036013A1 (en) 1997-10-02
JP2000507306A (ja) 2000-06-13
AU2325197A (en) 1997-10-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee