Title:
ビスマスの回収方法及び硫酸ビスマスの回収方法
Document Type and Number:
Japanese Patent JP4059677
Kind Code:
B2
Abstract:
To provide a method of selectively separating and recovering bismuth which is a valuable resource, from an aqueous bismuth solution produced from nonferrous smelting industry.
The method of recovering the bismuth comprises selectively adsorbing the bismuth in the aqueous solution which is an intermediate treated product of a copper and lead refining process step to an MRT resin having a coordinate bond at bed volume = 0.1 to 8 and eluting the bismuth by a sulfuric acid solution.
COPYRIGHT: (C)2003,JPO
Inventors:
Toshifumi Ishii
Application Number:
JP2002015029A
Publication Date:
March 12, 2008
Filing Date:
January 24, 2002
Export Citation:
Assignee:
Nikko Metal Co., Ltd.
International Classes:
C22B30/06; C22B3/42; C22B7/00; C22B7/02; C22B13/02; C22B15/14
Domestic Patent References:
| JP10306331A | ||||
| JP2000107506A |
Other References:
Presented at Copper 99-Cobre 99,1999,Recent Advances in the Application of Molecular Recognition Technology(MRT) in the Copper Industry,米国,1999年