Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-01-03
1991-06-18
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210686, 210290, 431 2, B01D 1504, C02F 142
Patent
active
050247670
ABSTRACT:
The present invention relates to a method for purification of liquids. Fur particulars, the present invention relates to a method for purifying more precisely liquids in atomic power related fields, using a mixture of a polymer in which carboxyl groups are grafted onto a polyamide or a polyester as a cation exchanger and an anion exchanger.
REFERENCES:
patent: 4313832 (1982-02-01), Shimizu et al.
patent: 4693828 (1987-09-01), Yoshioka et al.
patent: 4747955 (1988-05-01), Kunin
Kubo Nami
Saito Kouichi
Tohyama Syunroku
Yoshioka Toshio
Cintins Ivars
Toray Industries Inc.
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