Metal recovery with monothiophosphinic acids

Details Metal recovery with monothiophosphinic acids Metal recovery with monothiophosphinic acids

1990-02-05

1991-07-02

Willis, Prince E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

75722, 210634, 210638, 423 49, 423100, 423139, B01D 1100, B01D 1504, C01G 300, C22B 1500

Patent

active

050284037

ABSTRACT:
Metals selected from the group consisting of zinc (II), cadmium (II), nickel (II), cobalt (II), manganese (II), iron (III) and copper (II) from aqueous solutions containing the same are extracted therefrom by contacting said solution with an extractant having the formula ##STR1## wherein R and R.sup.1 are, individually, selected from the group consisting of substituted or unsubstituted alkyl, cyloalkyl, alkoxyalkyl, alkylcycloalkyl, aryl, alkaryl, aralkyl and cycloalkylaryl radicals having 2-24 carbon atoms and X is hydrogen, ammonium or an alkali or alkaline earth metal salt-forming radical.

REFERENCES:
patent: 4233273 (1980-11-01), Meyer et al.
patent: 4348367 (1982-09-01), Rickelton et al.
patent: 4353883 (1982-10-01), Rickelton et al.
patent: 4374780 (1983-02-01), Robertson
patent: 4587013 (1986-05-01), Nagaraj et al.
patent: 4619816 (1986-10-01), Rickelton
patent: 4661278 (1987-04-01), Nagaraj et al.
patent: 4721605 (1988-01-01), Brown et al.

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