Process for the removal of metal compounds from an aqueous acid

Liquid purification or separation – Processes – Ion exchange or selective sorption

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210688, 562124, B01D 1504

Patent

active

061562076

ABSTRACT:
Process for the selective removal of metallic ion and/or ion ammonium impurities from water soluble acid compound comprising the steps of preparing an aqueous solution of the acid compound containing the impurities;

REFERENCES:
patent: 3496224 (1970-02-01), Ayers et al.
patent: 3882018 (1975-05-01), Depree
patent: 5220095 (1993-06-01), Hommeltoft et al.
patent: 5245100 (1993-09-01), Hommeltoft et al.
patent: 5603812 (1997-02-01), Hommeltoft

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