Silica gel ion exchange resins for the selective removal of lead

Details Silica gel ion exchange resins for the selective removal of lead Silica gel ion exchange resins for the selective removal of lead

1993-06-14

1994-02-15

Langel, Wayne

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iva metal

423100, 210670, 210688, 210912, C01G 2100, C22B 1300, C22B 1700, C02F 142

Patent

active

052864642

ABSTRACT:
Lead and cadmium ions are selectively removed and reclaimed from aqueous liquids containing the ions of these metals using an ion exchange resin which comprises a modified silica gel.

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Ginsberg, T., et al, "Corrosion-protective mixture for ferrous metals," Abstract of Ger. patent DE 2,821,016, Nov. 16, 1978, Chem. Abstract #90(16)125680m.
Penneck, R. J., "Ethylene polymer-modified silica adhesives" Abstract of Ger. patent DE 2,321,333, Nov. 15, 1973, Chem. Abstract #80(22)121786w.
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