Title:
PHOTORESPONSIVE COPPER ION ADSORBENT MATERIAL AND PROCESS FOR RECOVERY OF COPPER IONS
Document Type and Number:
WIPO Patent Application WO/2010/029778
Kind Code:
A1
Abstract:
A photoresponsive copper ion adsorbent material containing a copolymer which is obtained by copolymerization of a monomer component containing both a photoresponsive compound exhibiting reversible metal ion adsorption-desorption transition in dependence of light in a metal ion solution and a quaternized amine compound, wherein the copolymer can selectively adsorb copper(II) ions in a dark place from a metal ion solution containing chloride ions, sodium ions, and copper(II) ions. Thus, only copper(II) ions can be adsorbed selectively among metal ions, and recovered through desorption.
Inventors:
SUZUKI, Takayuki (())
Application Number:
JP2009/054201
Publication Date:
March 18, 2010
Filing Date:
March 05, 2009
Export Citation:
Assignee:
TOKYO DENKI UNIVERSITY (2 Kanda-nishikicho 2-chome, Chiyoda-ku Tokyo, 57, 10184, JP)
学校法人東京電機大学 (〒57 東京都千代田区神田錦町二丁目２番地 Tokyo, 10184, JP)
学校法人東京電機大学 (〒57 東京都千代田区神田錦町二丁目２番地 Tokyo, 10184, JP)
International Classes:
B01J20/26; B01D15/00; B01J39/20
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome,Minato-k, Tokyo 01, 10500, JP)
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