Water clarification coagulant/adsorbent

Details Water clarification coagulant/adsorbent Water clarification coagulant/adsorbent

1981-02-04

1982-12-14

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252449, 252474, B01J 2012, B01J 2004

Patent

active

043637493

ABSTRACT:
A particulate coagulant/adsorbent for removing suspended impurities and colored substances from water by coagulation comprises a finely divided particulate mineral or clay material, the individual particles of which have been treated to produce a thin hydroxylated surface layer having a positive zeta potential at the adsorption pH.
A process and an apparatus for water treatment utilizing the coagulant/adsorbent and providing for regeneration and recycling thereof are also described.

REFERENCES:
patent: 1679777 (1928-08-01), Moberg
patent: 1847212 (1932-03-01), Feldenheimer
patent: 1857402 (1932-05-01), Rockwell
patent: 2043705 (1936-06-01), Meinzer
patent: 2334285 (1941-03-01), Schworm
patent: 2866759 (1958-12-01), Bacon
patent: 3499837 (1970-03-01), Jaunarajs
patent: 3803033 (1974-04-01), Sutherland
patent: 3948770 (1976-04-01), Goodrich et al.
patent: 3983033 (1976-09-01), de Latour
patent: 4001197 (1977-01-01), Mitchell

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