Method for extracting metal ions

Details Method for extracting metal ions Method for extracting metal ions

1989-05-15

1990-11-06

Sever, Frank

Liquid purification or separation

Processes

Ion exchange or selective sorption

210684, 210688, E01D 1504

Patent

active

049684345

ABSTRACT:
A method for extracting metal ions by contacting an aqueous solution containing the metal ions with an acidic phosphoric acid ester, characterized in that as the acidic phosphoric acid ester, an acidic phosphoric acid ester of the formula: ##STR1## wherein R.sup.1 is an alkylphenyl group having from 7 to 18 carbon atoms and R.sup.2 is an alkyl group having from 1 to 18 carbon atoms, is used.

REFERENCES:
patent: 3230036 (1966-01-01), Kappelman et al.

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