EP 1165862 A1 20020102 - PROCESS FOR RECOVERING COPPER FROM A HIGH ACID MIXED METAL SOLUTION
Title (en)
PROCESS FOR RECOVERING COPPER FROM A HIGH ACID MIXED METAL SOLUTION
Title (de)
VERFAHREN ZUR GEWINNUNG VON KUPFER AUS EINER HOCHSAUREN GEMISCHTEN METALLLÖSUNG
Title (fr)
PROCEDE DE RECUPERATION DU CUIVRE DANS UNE SOLUTION DE METAUX MELANGES TRES ACIDE
Publication
Application
Priority
- US 9931143 W 19991230
- US 11660599 P 19990121
Abstract (en)
[origin: WO0043576A1] This invention relates to a process for recovering copper from a high acid mixed metal solution, said high acid mixed metal solution having a pH of about 0.5 or less and comprising copper ions, ions of at least one additional metal and sulfuric acid, said process comprising: (A) separating said high acid mixed metal solution (10) into a first fraction (14) comprising copper ions and ions of said at least one additional metal, and a second fraction (16) comprising said sulfuric acid; (B) separating said copper ions from said first fraction; (C) forming an electrolyte solution comprising said copper ions from step (B); and (D) electrodepositing copper from said electrolyte solution. The copper that is electrodeposited may be in the form of copper powder or copper foil.
IPC 1-7
IPC 8 full level
CPC (source: EP)
Citation (search report)
See references of WO 0043576A1
Designated contracting state (EPC)
DE FI FR GB IT PT SE
DOCDB simple family (publication)
WO 0043576 A1 20000727; AU 2395600 A 20000807; CA 2360994 A1 20000727; EP 1165862 A1 20020102
DOCDB simple family (application)
US 9931143 W 19991230; AU 2395600 A 19991230; CA 2360994 A 19991230; EP 99967722 A 19991230