Method of regenerating ion exchangers

Details Method of regenerating ion exchangers Method of regenerating ion exchangers

1981-09-15

1983-02-08

Therkorn, Ernest G.

Liquid purification or separation

Processes

Ion exchange or selective sorption

521 26, C02F 142

Patent

active

043728588

ABSTRACT:
A method for simple and very precise regeneration of ion exchanger resins with solutions of chelating agents, such as ethylenediaminetetraacetic acid (EDTA), nitrilotriacetic acid (NTA), diaminocyclohexanetetraacetate (DcyTE), or diethylenetriaminepentaacetate (DTPE). The method includes utilization of chelating agents as well as their salts.

REFERENCES:
patent: 2798789 (1957-07-01), Spedding
patent: 3392111 (1968-07-01), Napier
patent: 3454503 (1969-07-01), Blankenhorn
patent: 3658729 (1972-04-01), Depree
patent: 3725259 (1973-04-01), Depree
patent: 3887498 (1975-06-01), Kuhajek
patent: 3939071 (1976-02-01), Katzakian
patent: 4071446 (1978-01-01), Kunin

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