Method and apparatus for thickening a slurry using a compression

Details Method and apparatus for thickening a slurry using a compression Method and apparatus for thickening a slurry using a compression

1988-12-14

1991-02-26

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210402, 162 56, 162210, 162214, 162317, 162329, B01D 33044

Patent

active

049959883

ABSTRACT:
Method and drum filter for thickening of slurry and for treatment of the slurry with liquid. The slurry to be thickened is passed onto the filter face of a drum (3) revolving in a basin (3), and the treatment liquid is passed through the pulp web formed on the drum. The consistency of the pulp web is increased by pressing a compression plate (10) against the pulp web. The compression force of the compression plate (10) is produced by means of the pressure of a liquid and/or gas passed to the convex side of the plate. The compression force can be adjusted by adjusting the pressure prevailing in the gas space outside the drum (3).

REFERENCES:
patent: 4085003 (1978-04-01), Luthi
patent: 4737277 (1988-04-01), Lenac
patent: 4808265 (1989-02-01), Luthi et al.

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