Filtration process using polyolefin fibrids as filter aids

Details Filtration process using polyolefin fibrids as filter aids Filtration process using polyolefin fibrids as filter aids

1980-04-18

1981-06-23

Therkorn, Ernest G.

Liquid purification or separation

Processes

Separating

B01D 3702

Patent

active

042749719

ABSTRACT:
In a filtration process for filtering or clarifying aqueous suspensions of finely divided solid materials, a filter aid comprising polyolefin fibrids, e.g., polyethylene or polypropylene fibrids, is added to the suspension to be filtered. The filter aid comprising polyolefin fibrids which have been rendered hydrophilic may also be used to precoat a filter medium.

REFERENCES:
patent: 2999788 (1961-09-01), Morgan
patent: 3274103 (1966-09-01), Adams
patent: 3632415 (1972-01-01), Franklin
patent: 3812973 (1974-05-01), Stern
patent: 3880754 (1975-04-01), Brost
patent: 3961007 (1976-06-01), Caputi
patent: 4104170 (1978-08-01), Nedza

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