Title:
金属の回収方法
Document Type and Number:
Japanese Patent JP5354486
Kind Code:
B2
Abstract:
To provide an easily performable method for recovering a metal where a metal can be recovered by a simple process of a pulverization operation.
Balls for pulverization, the powder of a compound composed of a metal oxide including a prescribed metal and the powder of the nitride of an alkali metal are sealed into a sealing vessel in an ammonia gas atmosphere or in a nitrogen gas atmosphere. The sealing vessel is rotated for a prescribed time at a prescribed rate, thus the powder of the compound and the powder of the nitride are mixed and pulverized, so as to produce mixed powder comprising the prescribed metal. The produced mixed powder is water-washed, so as to obtain the prescribed metal.
COPYRIGHT: (C)2009,JPO&INPIT
Inventors:
Junya Kano
Kobayashi Eiko
Fumiyoshi Saito
Kobayashi Eiko
Fumiyoshi Saito
Application Number:
JP2008076384A
Publication Date:
November 27, 2013
Filing Date:
March 24, 2008
Export Citation:
Assignee:
Tohoku University
International Classes:
C22B58/00; B09B3/00; B22F9/04; B22F9/20; C21B15/00; C22B5/02; C22B7/00; C22B11/02; C22B13/00; C22B15/00; C22B17/02; C22B19/20; C22B23/02; C22B25/02; C22B26/10; C22B30/02; C22B30/06; C22B34/12; C22B34/22; C22B34/32; C22B34/34; C22B34/36; C22B41/00; C22B43/00; C22B47/00; C22B61/00
Domestic Patent References:
| JP2001011549A | ||||
| JP2002003961A | ||||
| JP1179712A |
Attorney, Agent or Firm:
Atsushi Suda
Shuji Kusunoki
Shuji Kusunoki