Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1986-06-03
1988-09-13
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210694, 502 25, 502 38, 502514, B01D 1500, B01J 2034
Patent
active
047707895
ABSTRACT:
A process of treatment for harmful impurity-containing residue produced in the purification of industrial pentachlorophenol, which process is characterized in that said harmful impurities are all rendered harmless by carrying out the following steps:
REFERENCES:
patent: 2254745 (1941-09-01), Jannek
patent: 3244621 (1966-04-01), Bouthilet
Cintins Ivars
Yonezawa Chemical Industry Co., Ltd.
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