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PE20011336A1 - METHOD FOR THE PRODUCTION OF COPPER - Google Patents

METHOD FOR THE PRODUCTION OF COPPER

Info

Publication number
PE20011336A1
PE20011336A1 PE2001000220A PE2001000220A PE20011336A1 PE 20011336 A1 PE20011336 A1 PE 20011336A1 PE 2001000220 A PE2001000220 A PE 2001000220A PE 2001000220 A PE2001000220 A PE 2001000220A PE 20011336 A1 PE20011336 A1 PE 20011336A1
Authority
PE
Peru
Prior art keywords
copper
solution
magnesium
production
chloride
Prior art date
Application number
PE2001000220A
Other languages
Spanish (es)
Inventor
Olli Hyvarinen
Matti Hamalainen
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of PE20011336A1 publication Critical patent/PE20011336A1/en

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

A PARTIR DE MATERIAS PRIMAS TALES COMO: CONCENTRADOS SULFUROSOS, RELAVES, Y PRECIPITADOS EN PRESENCIA DE CLORURO DE TAL FORMA QUE LA LIXIVIACION DE LA MATERIA PRIMA SE REALIZA DENTRO DE UNA SOLUCION DE CLORURO DE MAGNESIO DONDE PARTE DE ESTA ES REGENERADA A OXIDO DE MAGNESIO QUE SERA UTILIZADO COMO AGENTE DE PRECIPITACION. ESTA SOLUCION, CONTENIENDO COBRE O NO, ES LIXIVIADA A CONTRACORRIENTE EN ETAPAS MULTIPLES PARA OBTENER UNA SOLUCION MAS CONCENTRADA CON RELACION AL COBRE Y LUEGO SE DIRIGE ESTA SOLUCION A UNA REDUCCION Y POSTERIOR PURIFICACION, DESPUES DE LO CUAL EL COBRE ES PRECIPITADO DE LA SOLUCION PURIFICADA EN FORMA DE OXIDULO DE COBRE PARA LUEGO SER REDUCIDO A COBRE ELEMENTAL, QUE ES FUSIONADO Y MOLDEADO EN COBRE COMPACTOFROM RAW MATERIALS SUCH AS: SULFUR CONCENTRATES, TAILINGS, AND PRECIPITATES IN THE PRESENCE OF CHLORIDE IN SUCH A WAY THAT THE LEACHING OF THE RAW MATERIAL IS CARRIED OUT WITHIN A MAGNESIUM CHLORIDE SOLUTION WHERE PART OF MAGNESIUM IS REQUIRED IT WILL BE USED AS A PRECIPITATION AGENT. THIS SOLUTION, CONTAINING COPPER OR NOT, IS LEACHED TO COUNTERCURRENT IN MULTIPLE STAGES TO OBTAIN A MORE CONCENTRATED SOLUTION IN RELATION TO COPPER AND THEN THIS SOLUTION IS ADDRESSED TO A REDUCTION AND SUBSEQUENT PURIFICATION, AFTER WHICH THE COPPER IS PRE-PURIFIED SOLUTION IN THE FORM OF OXIDLE OF COPPER TO BE REDUCED TO ELEMENTARY COPPER, WHICH IS FUSED AND MOLDED IN COMPACT COPPER

PE2001000220A 2000-03-09 2001-03-06 METHOD FOR THE PRODUCTION OF COPPER PE20011336A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20000535A FI107455B (en) 2000-03-09 2000-03-09 Process for producing copper

Publications (1)

Publication Number Publication Date
PE20011336A1 true PE20011336A1 (en) 2002-01-15

Family

ID=8557875

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2001000220A PE20011336A1 (en) 2000-03-09 2001-03-06 METHOD FOR THE PRODUCTION OF COPPER

Country Status (3)

Country Link
AR (1) AR027619A1 (en)
FI (1) FI107455B (en)
PE (1) PE20011336A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122781B (en) 2011-03-01 2012-06-29 Outotec Oyj Process for making a copper product

Also Published As

Publication number Publication date
FI20000535A0 (en) 2000-03-09
FI107455B (en) 2001-08-15
AR027619A1 (en) 2003-04-02

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed