Title:
亜鉛鉱のリーチングに関連したシリカの沈殿方法
Document Type and Number:
Japanese Patent JP2004526057
Kind Code:
A
Abstract:
The invention relates to a method for the leaching of oxidized ores and in particular zinc ores. The ore, wherein the valuable metals are at least partially in silicate form, are routed to an acidic leaching stage in conditions where the silicate decomposes and the valuable metal ion comes into the solution. During leaching the silicate ion first dissolves, but simultaneously decomposes and is precipitated as silica.
Inventors:
Fugu Reeve, Sigmund
Pekkala, Perutti
Talonen, Panu
Rieckola-Banhanen, Maruya
Pekkala, Perutti
Talonen, Panu
Rieckola-Banhanen, Maruya
Application Number:
JP2002571946A
Publication Date:
August 26, 2004
Filing Date:
March 08, 2002
Export Citation:
Assignee:
OUTOKUMPU OYJ
International Classes:
C22B7/04; C22B3/04; C22B3/08; C22B19/00; C22B19/20; C22B19/30; (IPC1-7): C22B19/00; C22B3/04; C22B7/04; C22B19/30
Attorney, Agent or Firm:
Takao Katori