Title:
硫酸亜鉛溶液からの塩化物除去方法
Document Type and Number:
Japanese Patent JP5563093
Kind Code:
B2
Abstract:
The invention relates to a method for removing chloride from zinc sulphate solution in conjunction with zinc production. According to the method, the chloride is removed from solution by means of monovalent copper, which is produced in a separate copper(I) oxide formation stage, in which the pH is regulated to the region of 4.5-5.
Inventors:
Luonara, Mikko
Svens, Kurt
Alparahti, Antti
Leopist, carolina
Svens, Kurt
Alparahti, Antti
Leopist, carolina
Application Number:
JP2012539376A
Publication Date:
July 30, 2014
Filing Date:
November 22, 2010
Export Citation:
Assignee:
OUTOTEC OYJ
International Classes:
C22B19/20; C22B3/04; C22B3/20; C22B3/44
Domestic Patent References:
| JP54001679B1 | ||||
| JP2005144374A | ||||
| JP2009179841A | ||||
| JP4765062B2 | ||||
| JP3762047B2 |
Foreign References:
| US20070048203 | ||||
| CN101285119A |
Attorney, Agent or Firm:
Takao Katori