CU23424A3 - PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS - Google Patents

PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS

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Publication number
CU23424A3
CU23424A3 CU20070085A CU20070085A CU23424A3 CU 23424 A3 CU23424 A3 CU 23424A3 CU 20070085 A CU20070085 A CU 20070085A CU 20070085 A CU20070085 A CU 20070085A CU 23424 A3 CU23424 A3 CU 23424A3
Authority
CU
Cuba
Prior art keywords
ore
metal
leaching
valuable metal
hydrochloric acid
Prior art date
Application number
CU20070085A
Other languages
Spanish (es)
Inventor
Johann Du Toit Steyl
Jan Tjeerd Smit
Original Assignee
Anglo Operations Ltd
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 Anglo Operations Ltd filed Critical Anglo Operations Ltd
Priority to CU20070085A priority Critical patent/CU23424A3/en
Publication of CU23424A3 publication Critical patent/CU23424A3/en

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

Se describe un procesopara la lixiviación de un metal valioso de una mena que contiene un metal valioso, el procesoincluye los pasos de lixiviación de la mena en la presencia de ácido clorhídríco para formar una sal soluble de cloruro de metal en una solución de lixiviación; agregar dióxido de azufre a la solución de lixiviación; recuperar una sal de sulfato de metal o sulfito de metal de la solución de lixiviación; y regenerar el ácido clorhídrico. La mena puede ser una mena de metal de base oxídrico, tal como una mena de óxido de zinc; una mena de níquel laterítico, tal como una mena saprolítica o limonítica; una mena de sulfuro o una mena de titanio. El metal valioso se selecciona típicamente del grupo que consiste de Zn, Cu, Ti, Al, Cr, Ni, Co, Mn, Fe, Pb, Na, K, Ca, metales del grupo del platino y oro. El metal en la sal de sulfato o sulfito de metal puede ser el metal valioso o puede ser un metal de menos valor que el metal valioso, tal como magnesio. El ácido clorhídrico regenerado se recicla dntro del proceso de lixiviación.A process for leaching a valuable metal from an ore containing a valuable metal is described, the process includes the leaching steps of the ore in the presence of hydrochloric acid to form a soluble salt of metal chloride in a leaching solution; add sulfur dioxide to the leaching solution; recovering a metal sulfate or metal sulphite salt from the leaching solution; and regenerate hydrochloric acid. The ore can be an oxy-base metal ore, such as a zinc oxide ore; a lateritic nickel ore, such as a saprolitic or limonitic ore; a sulfide ore or a titanium ore. The valuable metal is typically selected from the group consisting of Zn, Cu, Ti, Al, Cr, Ni, Co, Mn, Fe, Pb, Na, K, Ca, platinum group metals and gold. The metal in the metal sulfate or sulphite salt may be the valuable metal or it may be a less valuable metal than the valuable metal, such as magnesium. The regenerated hydrochloric acid is recycled within the leaching process.

CU20070085A 2007-04-23 2007-04-23 PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS CU23424A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CU20070085A CU23424A3 (en) 2007-04-23 2007-04-23 PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CU20070085A CU23424A3 (en) 2007-04-23 2007-04-23 PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS

Publications (1)

Publication Number Publication Date
CU23424A3 true CU23424A3 (en) 2009-09-08

Family

ID=41203574

Family Applications (1)

Application Number Title Priority Date Filing Date
CU20070085A CU23424A3 (en) 2007-04-23 2007-04-23 PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR METAL RECOVERY OF A LESS

Country Status (1)

Country Link
CU (1) CU23424A3 (en)

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