ECSP982625A - HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE - Google Patents

HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE

Info

Publication number
ECSP982625A
ECSP982625A ECSP982625A ECSP982625A EC SP982625 A ECSP982625 A EC SP982625A EC SP982625 A ECSP982625 A EC SP982625A EC SP982625 A ECSP982625 A EC SP982625A
Authority
EC
Ecuador
Prior art keywords
oxidation
pressure
sulfate
metal
subjected
Prior art date
Application number
Other languages
Spanish (es)
Inventor
David L Jones
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 filed Critical
Priority to ECSP982625 priority Critical patent/ECSP982625A/en
Publication of ECSP982625A publication Critical patent/ECSP982625A/en

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

Un procedimiento para extraer cobre a partir de una mena o concentrado sulfúrico, comprende las etapas se somete la mena o concentrado a oxidación con presión en presencia de oxígeno y una solución ácida conteniendo iones de haluro y sulfato, para obtener una suspención resultante de oxidación con presión. La suspensión es sometida a una etapa de separación líquido/sólido para obtener un filtardo resultante de oxidación con presión y un residuo sólido conteniendo una sal básica de sulfato metálico insoluble. La sal básica de sulfato metálico es lixivida en una segunda etapa de lixiviación conteniendo un sulfato metálico, por ejemplo, sulfato de cobre en la solución y un residuo sólido y sometido a un procedimiento de extracción con disolvente para producir una solución metálica concentrada y un refinado con el metal agotado. Por lo menos una porción del refinado es reciclada a la oxidación con presión.A procedure for extracting copper from a ore or sulfuric concentrate, comprises the steps the ore or concentrate is subjected to oxidation with pressure in the presence of oxygen and an acid solution containing halide and sulfate ions, to obtain a suspension resulting from oxidation with Pressure. The suspension is subjected to a liquid / solid separation step to obtain a filtrate resulting from pressure oxidation and a solid residue containing an insoluble metal sulfate basic salt. The basic metal sulfate salt is leached in a second leaching stage containing a metal sulfate, for example, copper sulfate in the solution and a solid residue and subjected to a solvent extraction procedure to produce a concentrated metal solution and refining with the metal exhausted. At least a portion of the raffinate is recycled to pressure oxidation.

ECSP982625 1998-08-14 1998-08-14 HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE ECSP982625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP982625 ECSP982625A (en) 1998-08-14 1998-08-14 HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP982625 ECSP982625A (en) 1998-08-14 1998-08-14 HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE

Publications (1)

Publication Number Publication Date
ECSP982625A true ECSP982625A (en) 1999-04-16

Family

ID=42043545

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP982625 ECSP982625A (en) 1998-08-14 1998-08-14 HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE

Country Status (1)

Country Link
EC (1) ECSP982625A (en)

Similar Documents

Publication Publication Date Title
PA8457801A1 (en) HYDROMETALLURGICAL EXTRACTION OF METALS, FACILITATED WITH CHLORIDE
ES2144240T3 (en) HYDROMETALLURGICAL EXTRACTION ASSISTED BY NICKEL CHLORINE AND COBALT OF LESS SULFUR.
US5919674A (en) Copper recovery
ATE338833T1 (en) EXTRACTION OF NICKEL AND COBALT FROM SULFIDIC FLOTATION CONCENTRATES BY OXIDIZING LEACHING UNDER INCREASED PRESSURE IN SULFURIC ACID SOLUTION CONTAINING CHLORIDE
UY24125A1 (en) HYDROMETALLURGICAL EXTRACTION OF METAL WITH THE AID OF CHLORIDE
AU2011228956B2 (en) Method of processing nickel bearing raw material
PE20040023A1 (en) PROCESS FOR THE TREATMENT OR ELIMINATION OF IMPURITIES IN A HYDROMETALLURGICAL EXTRACTION PROCESS
NO964011L (en) Hydrometallurgical extraction process
EA200000566A3 (en) A method for recovering the valuable metal content of a sulphuric acid leaching solution
WO2005012581A3 (en) Methods for improving the recovery of metal leaching agents
ECSP982625A (en) HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE
CA2282848A1 (en) Copper and nickel recovery
US5807421A (en) Hydrometallurgical extraction process
JP2004507624A5 (en)
KR20030043957A (en) Pressure leaching process for zinc
US6582494B1 (en) Recovery of nickel and copper from sulphide concentrates by bioleaching
EP0244433A1 (en) Method for separation and recovery of metals from mixtures of metal sulfides such as lead ores
CA2101514A1 (en) Chloride assisted hydrometallurgical copper extraction
TH37505A (en) Hydro-metallurgical extraction with chloride-assisted
ZA200201533B (en) Recovery of nickel and copper from sulphide concentrates by bioleaching.
CO4440610A1 (en) PROCESS FOR THE EXTRACTION OF COPPER AND OTHER METALS FROM A COPPER SULFIDE CONCENTRATE
CO4560445A1 (en) PROCEDURE FOR THE EXTRACTION OF A NON-COMPOSITE METAL FROM MINES OR METAL CONCENTRATES
PT82353A (en) Process for recovery of non ferrous metals of concentrates of sulphides polymetallics
TH19699A (en) CHLORIDE ASSISTED HYDROMETALLURGICAL COPPER EXTRACTION
GB1474973A (en) Production of copper