Title:
VALUABLE ARTICLE RECOVERING METHOD
Document Type and Number:
Japanese Patent JP2018035383
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a valuable article recovering method capable of recovering valuable articles effectively.SOLUTION: The valuable article recovering method is for recovering valuable articles from a sludge to a recovery liquid by putting the sludge containing the valuable articles (a) under an electric potential gradient, (b) under application of pressure in a range of 0.1 MPa to 1.0 MPa, or (c) under application of pressure in a range of 0.1 MPa to 1.0 MPa under an electric potential gradient, where preferably the recovery liquid containing valuable articles is concentrated by a membrane separation method, and further preferably the membrane separation method is an ion dialysis method or a reverse osmosis membrane method.SELECTED DRAWING: Figure 3
Inventors:
NAKAI TAKAYUKI
HORIKAWA TAKESHI
TAKAHASHI JUNICHI
RI YASUSHI
MATSUURA HIROAKI
TAKAHASHI KAZUKO
HORIKAWA TAKESHI
TAKAHASHI JUNICHI
RI YASUSHI
MATSUURA HIROAKI
TAKAHASHI KAZUKO
Application Number:
JP2016167268A
Publication Date:
March 08, 2018
Filing Date:
August 29, 2016
Export Citation:
Assignee:
GALAXY CORP
CHIKOJI GAKUEN
CHIKOJI GAKUEN
International Classes:
C22B7/00; B01D61/44; B09B5/00; B09C1/00; C02F1/44; C02F1/469; C02F11/00; C02F11/12; C22B3/00; C22B11/00; C22B15/00; C22B19/20; C22B23/00; C22B34/12; C22B34/14; C22B34/22; C22B34/24; C22B34/32; C22B43/00; C22B58/00; C22B59/00
Attorney, Agent or Firm:
Eiichi Maruyama
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