Liquid purification or separation – Processes – Separating
Patent
1989-11-17
1992-12-22
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
100 90, 100116, 100127, 100129, 210359, 210406, 2104161, 210770, B01D 3382, B30B 906
Patent
active
051731967
ABSTRACT:
A device for the removal of solids from slurries by continuous compaction in a screen chamber. Pressure of liquid in the chamber causes continuous extrusion of a dewatered solid from an open ended chamber. The walls of the chamber may be constructed from longitudinal wedge bars spaced apart to provide filtering spaces between them. A high pressure pumping arrangement, including a first slurry pump and an auxiliary piston pump, is provided to maintain a high-pressure throughout the chamber to facilitate the continuous extrusion.
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Dawson Robert A.
Drodge Joseph
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