Heavy metal removal system containing clay, quaternary ammonium

Details Heavy metal removal system containing clay, quaternary ammonium Heavy metal removal system containing clay, quaternary ammonium

1995-01-06

1996-04-30

Straub, Gary P.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Clay

B01J 2116

Patent

active

055125263

ABSTRACT:
Metal ions can be removed from aqueous by being brought into contact with a heavy metal removal system which comprises an expanded organophilic clay (such as montmorillonite), a fatty alkyl-containing quaternary ammonium compound (such as a chloride comprising a fatty alkyl group containing from about twelve to about twenty-two carbon atoms), and a fatty alkyl-containing mercaptan (comprising a fatty alkyl group containing from about twelve to about twenty-two carbon atoms).

REFERENCES:
patent: 4292035 (1981-09-01), Battrell
patent: 4350605 (1982-09-01), Hughett
patent: 4740488 (1988-04-01), Fogler et al.
patent: 4866018 (1989-09-01), Elliot
patent: 4916095 (1990-10-01), Fogler et al.
Derwent Patent Abstract No. 76-81926X/44 (1976), abstracting Japanese Patent Publication No. 51/103,900 (Sep. 1976) (no month).

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