Title:
CHELATE-FORMING POROUS HOLLOW FIBER MEMBRANE AND METHOD FOR THE RECOVERY OF GERMANIUM OXIDE WITH THE SAME
Document Type and Number:
WIPO Patent Application WO/2000/067905
Kind Code:
A1
Abstract:
A chelate-forming porous hollow fiber membrane, characterized by being produced by reacting the residues of an epoxy compound radiation-grafted onto the surface of a polyethylene porous hollow fiber membrane with a compound which reacts with the residues to give residues containing a structure represented by formula (1) or (2) and a method for the recovery of germanium oxide, characterized by collecting germanium oxide contained in an aqueous solution by the use of the above hollow fiber membrane and then eluting the oxide.
Inventors:
SAITO KYOICHI (JP)
SATO KATUYUKI (JP)
AKIBA MITSUO (JP)
SATO KATUYUKI (JP)
AKIBA MITSUO (JP)
Application Number:
PCT/JP2000/002772
Publication Date:
November 16, 2000
Filing Date:
April 27, 2000
Export Citation:
Assignee:
ASAI GERMANIUM RES INST CO LTD (JP)
SAITO KYOICHI (JP)
SATO KATUYUKI (JP)
AKIBA MITSUO (JP)
SAITO KYOICHI (JP)
SATO KATUYUKI (JP)
AKIBA MITSUO (JP)
International Classes:
B01D15/00; B01D61/00; B01D67/00; B01D69/08; B01D71/26; B01J20/26; B01J20/32; B01J45/00; C01G17/02; C02F1/28; C02F1/62; C08G63/48; C22B3/00; C22B41/00; D06M10/00; D06M13/325; D06M13/368; D06M14/28; D06M15/273; B01J20/28; (IPC1-7): B01J45/00; B01J20/26; B01D15/00; C01G17/02; C22B3/00; C02F1/28; C02F1/62; D06M15/273
Foreign References:
| EP0713933A1 | 1996-05-29 | |||
| JPH0724314A | 1995-01-27 | |||
| JPH0557209B2 | 1993-08-23 | |||
| JPH05111685A | 1993-05-07 |
Other References:
See also references of EP 1179367A4
Attorney, Agent or Firm:
Kobayashi, Masato (5th floor 3, Kagurazaka 4-chome Shinjuku-ku Tokyo, JP)
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