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PE20021026A1 - Nuevo proceso de lavado de desulfurizacion in situ para refinar cobre blister - Google Patents

Nuevo proceso de lavado de desulfurizacion in situ para refinar cobre blister

Info

Publication number
PE20021026A1
PE20021026A1 PE2002000206A PE2002000206A PE20021026A1 PE 20021026 A1 PE20021026 A1 PE 20021026A1 PE 2002000206 A PE2002000206 A PE 2002000206A PE 2002000206 A PE2002000206 A PE 2002000206A PE 20021026 A1 PE20021026 A1 PE 20021026A1
Authority
PE
Peru
Prior art keywords
melted
sulphate
cu2o
copper
bath
Prior art date
Application number
PE2002000206A
Other languages
English (en)
Inventor
Eva Carissini
Manuel Zamallda
Yvan Trembaly
Pascal Coursol
Original Assignee
Noranda Inc
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 Noranda Inc filed Critical Noranda Inc
Publication of PE20021026A1 publication Critical patent/PE20021026A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0095Process control or regulation methods
    • C22B15/0097Sulfur release abatement
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0026Pyrometallurgy
    • C22B15/0028Smelting or converting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0026Pyrometallurgy
    • C22B15/006Pyrometallurgy working up of molten copper, e.g. refining

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

QUE COMPRENDE: a) INYECTAR UNA MEZCLA DE AIRE Y GAS O2 EN UN BANO DE COBRE, QUE CONTIENE AL MENOS S Y UNO O MAS ELEMENTOS SELECCIONADOS DE As, Sb, Pb, Ni, Bi, Se Y Te, EN PRESENCIA DE UNA FUENTE ALCALINA, Y RETIRAR EL SO2 GENERADO IN SITU, FORMANDO ASI UNA CANTIDAD EFECTIVA DE SULFATO ALCALINO DERRETIDO SOBRE EL BANO DE COBRE, MANTENIENDO LA TEMPERATURA EN EL BANO ENTRE 1100°C Y 1300°C; b) AGREGAR Y/O INYECTAR SULFATOS ALCALINOS DERRETIDOS O SOLIDOS JUNTO CON OXIDOS O CARBONATOS BASICOS EN EL BANO DE COBRE PARA PROMOVER EL LAVADO IN SITU CON As Y Sb EN UNA SOLUCION CON CONTENIDO DE SULFATOS; c) AUMENTAR LOS NIVELES DE O2 EN EL COBRE BLISTER O DERRETIDO, DE 0,1% POR PESO A 0,6% POR PESO, PARA RETIRAR LAS IMPUREZAS DE Sb, Pb, Ni, Bi, Se Y Te FLUIDIFICANDOLOS EN UNA SOLUCION FUNDIDA DE Cu2O Y/O Cu2O-CaO, LA CUAL ES ESTABLE CON LA FASE DE SULFATO; d) INCREMENTAR EL NIVEL DE O2 EN EL COBRE PARA RETIRAR LAS IMPUREZAS RESTANTES EN UNA SOLUCION DERRETIDA DE Cu2O Y/O Cu2O-CaO, MIENTRAS QUE LAS FASES DE SULFATO Y OXIDO DERRETIDO COEXISTEN COMO DOS CAPAS LIQUIDAS INMISCIBLES DE ESCORIA; Y, e) DESNATAR LAS CAPAS DE ESCORIA DE SULFATO Y OXIDO ANTES DE COMENZAR LA DESOXIDACION
PE2002000206A 2001-03-19 2002-03-18 Nuevo proceso de lavado de desulfurizacion in situ para refinar cobre blister PE20021026A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/810,737 US6395059B1 (en) 2001-03-19 2001-03-19 Situ desulfurization scrubbing process for refining blister copper

Publications (1)

Publication Number Publication Date
PE20021026A1 true PE20021026A1 (es) 2002-11-08

Family

ID=25204576

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2002000206A PE20021026A1 (es) 2001-03-19 2002-03-18 Nuevo proceso de lavado de desulfurizacion in situ para refinar cobre blister

Country Status (4)

Country Link
US (1) US6395059B1 (es)
AU (1) AU2002242523A1 (es)
PE (1) PE20021026A1 (es)
WO (1) WO2002075006A2 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006029162A1 (en) * 2004-09-07 2006-03-16 Universidad De Chile Method of continuous fire refining of copper
US20070209476A1 (en) * 2006-03-10 2007-09-13 David Krofchak Treatment of base metal smelter slag
CN102492959B (zh) * 2011-12-28 2014-03-19 重庆重冶铜业有限公司 一种电解铜阳极的生产方法
CN107162038B (zh) * 2017-07-07 2019-05-28 苏州昆腾威新材料科技有限公司 一种氧化亚铜粉末及其制备方法
CN110423892A (zh) * 2019-08-19 2019-11-08 肖功明 一种铜渣尾矿浆烟气脱硫协同铜资源高效回收的方法
CN111647749B (zh) * 2020-05-26 2022-03-11 中国恩菲工程技术有限公司 一种含铜固废的分离方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE628812A (es) 1962-02-22
US3561952A (en) 1968-02-05 1971-02-09 William B Greenberg Copper-refining method
US3533779A (en) * 1968-05-28 1970-10-13 Us Interior Method for smelting low-sulfur copper ores
AT301193B (de) * 1969-04-25 1972-08-25 Metallgesellschaft Ag Verfahren und Vorrichtung zur pyrometallurgischen Behandlung kleinteiliger Erze oder Erzkonzentrate
US4005856A (en) 1972-09-27 1977-02-01 Noranda Mines Limited Process for continuous smelting and converting of copper concentrates
US4034063A (en) 1974-03-22 1977-07-05 Industrial Resources, Inc. Process for control of SOx emissions from copper smelter operations
HU169980B (es) 1975-04-16 1977-03-28
FI56857C (fi) 1977-06-21 1980-04-10 Outokumpu Oy Saett och anordning foer raffinering av smaeltor med ett pulverformigt fast material och/eller gas
US4316742A (en) * 1980-10-20 1982-02-23 Western Electric Co., Incorporated Copper refining
CA1190751A (en) 1982-06-18 1985-07-23 J. Barry W. Bailey Process and apparatus for continuous converting of copper and non-ferrous mattes
CA1234696A (en) * 1985-03-20 1988-04-05 Grigori S. Victorovich Metallurgical process iii
CA1245460A (en) * 1985-03-20 1988-11-29 Carlos M. Diaz Oxidizing process for sulfidic copper material
US5516498A (en) 1985-03-29 1996-05-14 Veg - Gasinstituut N.V. Process for the removal of sulfur dioxide from gases
JPH04183828A (ja) 1990-11-20 1992-06-30 Mitsubishi Materials Corp 銅の製錬方法
EP0548363B1 (en) * 1991-07-15 1999-06-09 Kabushiki Kaisha Kobe Seiko Sho Process for refining raw material for copper or its alloys
US5849061A (en) 1996-09-20 1998-12-15 The Trustees Of Columbia University In The City Of New York Process for refining high-impurity copper to anode copper

Also Published As

Publication number Publication date
WO2002075006A2 (en) 2002-09-26
WO2002075006A3 (en) 2002-12-19
AU2002242523A1 (en) 2002-10-03
US6395059B1 (en) 2002-05-28

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