Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-09-17
1992-12-08
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210691, B01D 1500
Patent
active
051695359
ABSTRACT:
A method of removing endotoxin from a solution containing only endotoxin as a absorbed material, wherein the pH value of the solution is adjusted to pH 9 or lower than it, and subsequently, the solution is passed through a column packed with a crosslinked granular chitosan.
REFERENCES:
patent: 4381239 (1983-04-01), Chibata et al.
patent: 4814077 (1989-03-01), Furuyoshi et al.
patent: 4975542 (1990-12-01), Hirayama et al.
patent: 4992180 (1991-02-01), Onodera et al.
Adachi Tsuneyasu
Hashimoto Masanori
Ida Junichi
Cintins Ivars
Kurita Water Industries Ltd.
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