Sodium-selective cation exchange resins for ammonia-cycle conden

Details Sodium-selective cation exchange resins for ammonia-cycle conden Sodium-selective cation exchange resins for ammonia-cycle conden

1987-04-03

1989-08-15

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210681, C02F 142

Patent

active

048572020

ABSTRACT:
Ion exchange resin beds used for ammonia-cycle condensate polishing show enhanced selectivity for sodium ions over ammonium ions when conventional, monosulfonated cation exchange resin is replaced with polysulfonated cation exchange resin. This enhanced selectivity results in a lower concentration of sodium ion leakage and longer bed life to critical leakage, compared with conventional, monosulfonated resins.

REFERENCES:
patent: 4349442 (1982-09-01), Barraque et al.
patent: 4547291 (1985-10-01), Kunin et al.
patent: 4548717 (1985-10-01), Kunin et al.
patent: 4568466 (1986-02-01), Salem et al.

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