Sedimentation type solid-liquid separator

Details Sedimentation type solid-liquid separator Sedimentation type solid-liquid separator

1997-03-17

1998-11-10

Upton, Christopher

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210801, 210803, 210519, 210207, B01D 2101, B01D 2124

Patent

active

058338659

ABSTRACT:
The slurry subjected to aggregation processing by a line mixer is supplied to a slurry feed member via a slurry supply passage and then fed radially outward from slurry fed outlets within a sedimentation tank. Therefore, liquid flow hardly takes place below the slurry feed member and the settling velocity of the solid is increased. The slurry feed member is arranged close to the boundary face of the thickened slurry zone, and thus the settling distance of the solid is shortened. Accordingly, the residence time of the solid is shortened to a great extent. In addition, the sedimentation tank can be constructed to be sealed and solid-liquid separation can be also performed under the pressurized state.

REFERENCES:
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patent: 4274958 (1981-06-01), Fitch
patent: 4406789 (1983-09-01), Bryson
patent: 4678585 (1987-07-01), Brownrigg
patent: 5080803 (1992-01-01), Bagatto et al.
Chemical Engineering Handbook, ISBN 4-621-03231-3 C3058, 1988, pp. 742-749.

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