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Title:
ION EXCHANGER HAVING HIGH THERMOSTABILITY AND HIGH DURABILITY, AND COLLECTION METHOD OF USEFUL METAL AND TOXIC METAL USING THE SAME
Document Type and Number:
Japanese Patent JP2014046264
Kind Code:
A
Abstract:

To provide an ion exchanger having thermostability and durability for use at high temperature under presence of water and a collection method capable of collecting useful metals and toxic metals at high temperature.

An ion exchanger is obtained by sulfonation of a polymer compound which contains an aromatic ring and has at least one of the melting point and the glass transition temperature of 150°C or higher. The ion exchanger is contacted with an aqueous solution which contains a metal to be collected.


Inventors:
ASAI CHIHO
HASHIMOTO YOSHIYUKI
Application Number:
JP2012191411A
Publication Date:
March 17, 2014
Filing Date:
August 31, 2012
Export Citation:
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Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD
International Classes:
B01J39/20; B01J39/04; C02F1/42; C08L101/02; C22B3/42; C22B7/00; C22B11/00; C22B13/00; C22B15/00; C22B17/00; C22B19/30; C22B21/00; C22B23/00; C22B25/00; C22B26/10; C22B26/20; C22B26/22; C22B30/02; C22B30/06; C22B34/12; C22B34/14; C22B34/22; C22B34/24; C22B34/32; C22B34/34; C22B34/36; C22B35/00; C22B41/00; C22B47/00; C22B58/00; C22B59/00; C22B60/00; C22B61/00
Domestic Patent References:
JPH0820716A1996-01-23
JPH01215348A1989-08-29
JP2008516066A2008-05-15
JP2004127846A2004-04-22
JP2005183061A2005-07-07
JP2001233974A2001-08-28
JP2009247996A2009-10-29
Foreign References:
WO2009044766A12009-04-09
Attorney, Agent or Firm:
Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband