ES8401779A1 - Procedimiento para la recuperacion de valores metalicos no ferrosos de un material de sulfuro que contiene metal. - Google Patents

Procedimiento para la recuperacion de valores metalicos no ferrosos de un material de sulfuro que contiene metal.

Info

Publication number
ES8401779A1
ES8401779A1 ES517973A ES517973A ES8401779A1 ES 8401779 A1 ES8401779 A1 ES 8401779A1 ES 517973 A ES517973 A ES 517973A ES 517973 A ES517973 A ES 517973A ES 8401779 A1 ES8401779 A1 ES 8401779A1
Authority
ES
Spain
Prior art keywords
ferrous metal
stage
solvent extraction
chloride
leach
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
Application number
ES517973A
Other languages
English (en)
Other versions
ES517973A0 (es
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.)
Saudi-Sudanese Red Sea Joint Commission
Original Assignee
Saudi-Sudanese Red Sea Joint Commission
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 Saudi-Sudanese Red Sea Joint Commission filed Critical Saudi-Sudanese Red Sea Joint Commission
Publication of ES8401779A1 publication Critical patent/ES8401779A1/es
Publication of ES517973A0 publication Critical patent/ES517973A0/es
Granted 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0084—Treating solutions
    • C22B15/0089—Treating solutions by chemical methods
    • 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
    • C22B13/00—Obtaining lead
    • C22B13/04—Obtaining lead 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
    • C22B13/00—Obtaining lead
    • C22B13/06—Refining
    • C22B13/08—Separating metals from lead by precipitating, e.g. Parkes process
    • 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
    • C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
    • 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
    • C22B19/00—Obtaining zinc or zinc oxide
    • C22B19/20—Obtaining zinc otherwise than by distilling
    • C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/0423—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
    • C22B3/04—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
    • C22B3/22—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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
    • C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
    • 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
    • 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
    • C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

PROCEDIMIENTO PARA LA RECUPERACION DE METALES NO FERROSOS A PARTIR DE UN SULFURO METALICO, QUE TIENE APLICACION PARA EL TRATAMIENTO DE MATERIALES QUE CONTIENEN CINC, COBRE, PLOMO, COBALTO, NIQUEL, PLATA U ORO.CONSISTE EN LA LIXIVIACION DEL SULFURO COMPLEJO, EN CONDICIONES DE OXIDACION CON DISOLUCION ACUOSA ACIDA DE CLORURO QUE TIENE CLORURO DE MAGNESIO; SEGUIDA DE LA EXTRACCION LIQUIDO-LIQUIDO DEL METAL CONTENIDO EN EL LIXIVIADO, CON UN DISOLVENTE ORGANICO HIDROFOBO QUE CONTIENE UN AGENTE DE TRANSPORTE CATIONICO; RECUPERACION DEL REFINADOQUE CONTIENE CLORURO DE MAGNESIO E HIDROLISIS DEL MISMO A TEMPERATURA ELEVADA, RECICLANDO EL CLORURO DE HIDROGENO Y EL OXIDO DE MAGNESIO FORMADOS A LAS ETAPAS DE LIXIVIACION E HIDROLISIS, RESPECTIVAMENTE.
ES517973A 1981-12-03 1982-11-24 Procedimiento para la recuperacion de valores metalicos no ferrosos de un material de sulfuro que contiene metal. Granted ES517973A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/327,054 US4378275A (en) 1981-12-03 1981-12-03 Metal sulphide extraction

Publications (2)

Publication Number Publication Date
ES8401779A1 true ES8401779A1 (es) 1984-01-01
ES517973A0 ES517973A0 (es) 1984-01-01

Family

ID=23274938

Family Applications (1)

Application Number Title Priority Date Filing Date
ES517973A Granted ES517973A0 (es) 1981-12-03 1982-11-24 Procedimiento para la recuperacion de valores metalicos no ferrosos de un material de sulfuro que contiene metal.

Country Status (6)

Country Link
US (1) US4378275A (es)
EP (1) EP0081310A3 (es)
AU (1) AU9094282A (es)
CA (1) CA1202491A (es)
ES (1) ES517973A0 (es)
PT (1) PT75891B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002066708A1 (es) * 2001-02-16 2002-08-29 Tecnicas Reunidas, S.A. Proceso para la produccion electrolitica de zinc o de compuestos de zinc ultra puro a partir de materias primas primarias y secundarias de zinc

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537968B1 (fr) * 1982-12-21 1986-02-28 Air Liquide Procede d'elimination du fer de solutions de lixiviation
DE3402196A1 (de) * 1984-01-24 1985-07-25 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur aufarbeitung von klein-batterien
US4536214A (en) * 1983-07-07 1985-08-20 Duval Corporation Metal sulphide extraction
US4551213A (en) * 1984-05-07 1985-11-05 Duval Corporation Recovery of gold
US4738718A (en) * 1985-10-28 1988-04-19 Freeport Minerals Company Method for the recovery of gold using autoclaving
JPS63503460A (ja) * 1986-06-06 1988-12-15 ザ・ダウ・ケミカル・カンパニー ジヒドロカルビルカーボネートの接触気相製造法
WO1991008318A1 (en) * 1989-12-01 1991-06-13 Mineral Process Technology Pty Ltd Metal oxide production by leaching and hydrolysis
US5228903A (en) * 1990-04-18 1993-07-20 The Curators Of The University Of Missouri Of Columbia Method for stripping metals in solvent extraction
FR2691979B1 (fr) * 1992-06-05 1994-08-19 Emc Services Procédé de détoxication de résidus de combustion par extraction des composés toxiques mobiles et fixation - concentration de ces mêmes composés issus des solutions de traitement.
US5399322A (en) * 1992-10-15 1995-03-21 Hazen Research, Inc. Selective recovery of dissolved metals and preparation of metal salt products
US5431788A (en) * 1993-06-28 1995-07-11 Cominco Engineering Services Ltd. Chloride assisted hydrometallurgical copper extraction
BE1007821A3 (fr) * 1993-12-09 1995-10-31 Union Miniere Sa Procede de recuperation de soufre de minerais.
US5788740A (en) * 1995-03-06 1998-08-04 Bay Zinc Company, Inc. Method for the hydrometallurgical separation and recovery of biological nutrients, lead, gypsum and cadmium from raw materials
AUPN191395A0 (en) * 1995-03-22 1995-04-27 M.I.M. Holdings Limited Atmospheric mineral leaching process
AU763167B2 (en) * 1999-04-28 2003-07-17 International Pgm Technologies Limited Oxidative pressure leach recovery of precious metals using halide ions
US6315812B1 (en) * 1999-04-28 2001-11-13 International Pgm Technologies Ltd Oxidative pressure leach recovery using halide ions
FI108543B (fi) * 1999-08-12 2002-02-15 Outokumpu Oy Menetelmä epäpuhtauksien poistamiseksi sulfideja sisältävästä kultarikasteesta
US6395242B1 (en) * 1999-10-01 2002-05-28 Noranda Inc. Production of zinc oxide from complex sulfide concentrates using chloride processing
US6843976B2 (en) 2001-02-27 2005-01-18 Noranda Inc. Reduction of zinc oxide from complex sulfide concentrates using chloride processing
ES2184630B1 (es) * 2001-08-03 2004-01-16 Soc Es Carburos Metalicos Sa Procedimiento de lixiviacion selectiva de metales.
US20100098863A1 (en) * 2003-03-12 2010-04-22 University Of Missouri Process for spontaneous deposition from an organic solution
CA2478516C (en) * 2003-09-30 2007-12-11 Jaguar Nickel Inc. A process for the recovery of value metals from base metal sulfide ores
CA2472495A1 (en) * 2004-02-18 2005-08-18 Sgs Lakefield Research Limited Process to recover base metals
JP2007530778A (ja) * 2004-03-25 2007-11-01 インテック・リミテッド 酸化金属材料からの金属の回収
WO2006013568A2 (en) * 2004-08-04 2006-02-09 Berg Recycling Industries Ltd. Recovery of precious metals from electronic scrap by hydrometallurgical processing
WO2007071021A1 (en) * 2005-12-23 2007-06-28 Harris G Bryn Process for recovering a base metal from a sulfide ore material
WO2008039192A1 (en) * 2006-09-26 2008-04-03 Everclear Solutions, Inc. Devices and methods of copper recovery
BRPI0604853B1 (pt) * 2006-10-27 2016-03-08 Vale Do Rio Doce Co método para produção de cobalto metálico a partir de refinado de extração por solventes de níquel
RU2471010C2 (ru) 2007-05-21 2012-12-27 Орбит Элюминэ Инк. Способ извлечения алюминия и железа из глиноземистых руд
RU2400547C1 (ru) * 2009-03-10 2010-09-27 Государственное образовательное учреждение высшего профессионального образования Томский политехнический университет Способ переработки свинец-цинксодержащих руд
CA2817752C (en) 2010-11-22 2017-01-24 Barrick Gold Corporation Alkaline and acid pressure oxidation of precious metal-containing materials
JP2014508863A (ja) 2011-03-18 2014-04-10 オーバイト アルミナ インコーポレイテッド アルミニウム含有材料から希土類元素を回収する方法
WO2012149631A1 (en) * 2011-05-02 2012-11-08 South American Silver Corporation A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores
JP5894262B2 (ja) 2011-05-04 2016-03-23 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 種々の鉱石から希土類元素を回収する方法
US9150428B2 (en) 2011-06-03 2015-10-06 Orbite Aluminae Inc. Methods for separating iron ions from aluminum ions
RU2456357C1 (ru) * 2011-07-14 2012-07-20 Общество с ограниченной ответственностью "Корпорация "Металлы Восточной Сибири" Способ комбинированной переработки труднообогатимых свинцово-цинковых руд
AU2012308068B2 (en) 2011-09-16 2015-02-05 Aem Technologies Inc. Processes for preparing alumina and various other products
WO2013104059A1 (en) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Processes for treating red mud
CA2862307C (en) 2012-03-29 2015-12-01 Orbite Aluminae Inc. Processes for treating fly ashes
US8545690B1 (en) * 2012-05-25 2013-10-01 Yunnan Metallurgical Group Co., Ltd. Purification method of zinc sulfate leachate
WO2014008586A1 (en) 2012-07-12 2014-01-16 Orbite Aluminae Inc. Processes for preparing titanium oxide and various other products
BR112015006536A2 (pt) 2012-09-26 2017-08-08 Orbite Aluminae Inc processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
US9534274B2 (en) 2012-11-14 2017-01-03 Orbite Technologies Inc. Methods for purifying aluminium ions
PE20210787A1 (es) 2014-05-12 2021-04-22 Summit Mining Int Inc Proceso de lixiviado de salmuera para la recuperacion de metales valiosos de materiales de oxido
AU2016345548B2 (en) 2015-10-29 2019-07-25 Metso Finland Oy Method for recovering gold
WO2020044241A1 (en) * 2018-08-27 2020-03-05 Flsmidth A/S Solid-state catalysts for low or moderate temperature leach applications and methods thereof
CN109321746A (zh) * 2018-12-03 2019-02-12 北京矿冶科技集团有限公司 一种由铜镍矿全湿法提取镍的方法
JP7392539B2 (ja) * 2020-03-23 2023-12-06 住友金属鉱山株式会社 合金の処理方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA844536A (en) * 1970-06-16 The Lummus Company Recovery of sulfur and iron oxide from pyritic materials
US3510414A (en) * 1967-12-04 1970-05-05 Bunker Hill Co Process of recovering metals from zinc plant residue
FR2152912A1 (en) * 1971-09-10 1973-04-27 Preussag Ag Extraction of non-ferrous and noble metals from seawater - sludge - by treating with air and hydrogen sulphide
US3929598A (en) * 1972-08-14 1975-12-30 Anaconda Co Recovery of copper and zinc from low-grade non-ferrous materials
FR2271298B1 (es) * 1974-05-15 1978-08-04 Penarroya Miniere Metallurg
US3899763A (en) * 1974-05-30 1975-08-12 Westinghouse Electric Corp Interleaved winding for electrical inductive apparatus
FR2297252A1 (fr) * 1975-01-07 1976-08-06 Asturienne Mines Comp Royale Procede de recuperation des metaux contenus dans des boues, residus de traitement de minerais
FR2323766A1 (fr) * 1975-04-21 1977-04-08 Penarroya Miniere Metallurg Procede hydrometallurgique pour traiter des minerais sulfures
US3981962A (en) * 1975-06-30 1976-09-21 The United States Of America As Represented By The Secretary Of The Interior Decomposition leach of sulfide ores with chlorine and oxygen
US3989607A (en) * 1975-08-21 1976-11-02 Bush Philip D Solvent extraction and electrowinning of zinc and copper from sulfate solution
CA1049953A (en) * 1975-10-22 1979-03-06 Sherritt Gordon Mines Limited Two-stage pressure leaching process for zinc and iron bearing mineral sulphides
JPS5924168B2 (ja) * 1977-05-14 1984-06-07 株式会社大八化学工業所 溶媒抽出法によるコバルトとニツケルの分離方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002066708A1 (es) * 2001-02-16 2002-08-29 Tecnicas Reunidas, S.A. Proceso para la produccion electrolitica de zinc o de compuestos de zinc ultra puro a partir de materias primas primarias y secundarias de zinc

Also Published As

Publication number Publication date
PT75891B (en) 1985-10-04
EP0081310A3 (en) 1984-05-09
EP0081310A2 (en) 1983-06-15
PT75891A (en) 1982-12-01
AU9094282A (en) 1983-06-09
ES517973A0 (es) 1984-01-01
CA1202491A (en) 1986-04-01
US4378275A (en) 1983-03-29

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Effective date: 20001102