Title:
METHOD OF RECOVERING TUNGSTEN COMPOUND
Document Type and Number:
Japanese Patent JP2018119197
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of efficiently recovering tungsten, which has been demanded recent years.SOLUTION: A method of recovering a tungsten compound according to an embodiment includes the steps of: preparing a metal compound containing tungsten compound and an alkali solution; adding, to the alkali solution, a chloride of at least one of an alkali metal and an alkaline earth metal, to make a first solution; using the first solution to elute tungsten from the metal compound, to make a second solution; and recovering the compound containing tungsten from the second solution.SELECTED DRAWING: Figure 1
Inventors:
MAKINO TAKAHIKO
Application Number:
JP2017012989A
Publication Date:
August 02, 2018
Filing Date:
January 27, 2017
Export Citation:
Assignee:
KYOCERA CORP
International Classes:
C22B34/36; B01J20/22; C22B3/12; C22B3/24; C22B7/00
Domestic Patent References:
| JP2013007119A | 2013-01-10 | |||
| JPH02107527A | 1990-04-19 | |||
| JP2015224225A | 2015-12-14 |
Foreign References:
| CN103266231A | 2013-08-28 |