Flocculating agent combinations for mineral slime filtration sys

Details Flocculating agent combinations for mineral slime filtration sys Flocculating agent combinations for mineral slime filtration sys

1988-12-27

1990-06-05

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210714, 210728, 210732, 210734, 210783, 210907, 209 5, C02F 156

Patent

active

049311905

ABSTRACT:
An improved method for dewatering thin slurries of very fine clay or clay-like material to yield high solids content filter cake, for example, 40% solids and greater, by the use of flocculating agent combinations involving polyethylene oxide-type flocculating agents and polyacarylamide-type flocculating agents. The method generally involves admixing the combination of flocculating agents with the slurry, dewatering the slurry by means of a mechanical dewatering apparatus and feeding the thickened slurry to a belt press filter.

REFERENCES:
patent: 3020231 (1962-02-01), Colwell et al.
patent: 3680698 (1972-08-01), Liu et al.
patent: 4248708 (1981-02-01), Wilson
patent: 4251363 (1981-02-01), Chamberlain et al.
patent: 4303532 (1981-12-01), Smelley et al.
patent: 4402834 (1983-09-01), Bastgen et al.

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