Document Type and Number:
Japanese Patent JPH0468981
Kind Code:
B2
Abstract:
PURPOSE:To obtain a high separation coefficient and high adsorption and desorption rates for boric acid, by using the titled anion exchange resin heated to a specified temperature in a specified medium in a free amine form. CONSTITUTION:The anion exchange resin has an aminopolyol group of the formula, wherein n is an integer of 1-6, R is H, a 1-5C alkyl group or -CH2- (CHOH)m-CH2OH, wherein m is 0 or 1-6, as a functional group, and is heated. The anion exchange resin is heated to 60-200 deg.C in water, an alkaline solution, a (poly)alkyleneglycol, an alcohol amine or glycerin, in a free amine form. The anionic exchange resin has a high separation coefficient and high adsorption and desorption rates for boric acid.
Inventors:
KOSUGE MASAO
FUKUDA JUNJI
FUKUDA JUNJI
Application Number:
JP21224783A
Publication Date:
November 04, 1992
Filing Date:
November 11, 1983
Export Citation:
Assignee:
MITSUBISHI CHEM IND
International Classes:
C08F8/00; B01D59/30; B01J41/04; B01J41/12; B01J45/00; B01J49/00; C08F8/30; C08F8/32; C08F12/00; C08F12/08; G21C7/06; G21C7/24
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