Recovery of heavy metals from solution by extraction with cross-

Details Recovery of heavy metals from solution by extraction with cross- Recovery of heavy metals from solution by extraction with cross-

1980-10-29

1982-10-19

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

527205, 521 30, 210683, 210688, 210731, C08L 8900

Patent

active

043551378

ABSTRACT:
The present invention relates to a method of abstracting heavy metal ions from solution by contacting the solution containing heavy metal ions with a cross-linked vegetable protein, or a mixture of cross-linked vegetable proteins. The method may be used to separate a mixture of heavy metal ions in solution by selectively abstracting a particular heavy metal ion by contacting the particular heavy metal ion with a selected cross-linked vegetable protein.
Preferred vegetable proteins are derived from wheat, rape seed, safflower seed, sun-flower seed or soya bean.

REFERENCES:
patent: 3925192 (1975-12-01), Randall et al.
patent: 3944415 (1976-03-01), Randall et al.
patent: 3979286 (1976-09-01), Wing et al.
patent: 4051316 (1977-09-01), Wing et al.
patent: 4083783 (1978-04-01), Wing et al.
patent: 4289531 (1981-09-01), Lechavelier et al.
patent: 4293334 (1981-10-01), Drobot et al.

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