Non-ionic surfactants plus fatty-acids as dewatering aids for al

Details Non-ionic surfactants plus fatty-acids as dewatering aids for al Non-ionic surfactants plus fatty-acids as dewatering aids for al

1991-06-20

1992-12-01

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210729, 210732, 210772, 210778, 423122, 423131, B01D 3703

Patent

active

051678314

ABSTRACT:
Tall oily fatty acids when combined with certain non-ionic surfactants having an HLB number from 10-14 are superior dewatering agents for Bayer Process alumina trihydrate filter cakes.

REFERENCES:
patent: 3578589 (1971-05-01), Hwa et al.
patent: 4039466 (1977-08-01), Matsuda et al.
patent: 4097390 (1978-06-01), Wang et al.
patent: 4323365 (1982-04-01), Crosby et al.
patent: 4410431 (1983-10-01), Roe
patent: 5011612 (1991-04-01), Keeney
CA99 (14):107048t.

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