Two-stage batch filter apparatus and filtration process

Details Two-stage batch filter apparatus and filtration process Two-stage batch filter apparatus and filtration process

1987-07-07

1989-01-03

Nozick, Bernard

Liquid purification or separation

Processes

Separating

210780, 210350, 210355, 210407, 55493, B01D 3700

Patent

active

047955708

ABSTRACT:
An apparatus and process for removing liquid from a liquid-solid mixture by forcing the liquid-solid mixture under low pressure through a filter means attached to filter support doors to form a filter cake, supplying compressed air into an expandable space to deform an elastomeric bladder which squeezes additional liquid out of the cake, and opening the filter support doors to cause discharge of the filter cake from the filter means.

REFERENCES:
patent: 2312999 (1943-03-01), De Langen
patent: 3276594 (1966-10-01), Gwilliam
patent: 3428181 (1969-02-01), Levis
patent: 3687287 (1972-08-01), Gwilliam
patent: 3753499 (1973-08-01), Gwilliam
patent: 3900403 (1975-08-01), Randle et al.
patent: 4014796 (1977-03-01), Sugiyama et al.
patent: 4246122 (1981-01-01), Keat
patent: 4533472 (1985-08-01), Verri et al.

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