Liquid purification or separation – Recirculation – From bottom of separator
Patent
1990-06-22
1991-12-31
Wyse, Thomas
Liquid purification or separation
Recirculation
From bottom of separator
210537, 210540, C02F 140
Patent
active
050769154
ABSTRACT:
Disclosed is a gravity settler for separating finely divided solids such as coal fines from a liquid such as a mixture of coal oil and agglomerating agent by agglomeration. A feed slurry comprising finely divided solids and a liquid mixture of product oil and an agglomerating agent is discharged into a specially shaped duct which promotes formation of agglomerated solids while minimizing turbulence in the remainder of the vessel. The agglomerated solids separate from the liquid by gravity and are washed as they leave the settler while the clarified liquid is discharged from the top of the settler. A method for separating suspended solids from a liquid by agglomeration is also disclosed.
REFERENCES:
patent: 2699374 (1955-01-01), Lugre
patent: 3236384 (1966-02-01), Sontheimer et al.
patent: 3306449 (1967-02-01), Minegishi
patent: 3353670 (1967-11-01), Hirsch
patent: 4075080 (1978-02-01), Gorin
Ambrosius J. W.
Chevron Research Company
Wyse Thomas
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