Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1989-10-17
1990-12-04
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210688, C02F 142
Patent
active
049752014
ABSTRACT:
A process for treatment of power plant condensate water particularly from a boiling water nuclear reactor, where the condensate contains colloidal material, especially oxidized iron from the steam and condensate handling system known as "crud". The colloidal iron level of the condensate is lowered by contacting the condensate water with a mixed bed ion exchange resin in which at least the cation exchange resin has a core/shell morphology which has been prepared by a polymerization of monomer within a multiplicity of free radical-containing matrices.
REFERENCES:
patent: 4313832 (1982-02-01), Shimizu et al.
patent: 4564644 (1986-01-01), Harris
Cintins Ivars
The Dow Chemical Company
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