Liquid purification or separation – Processes – Separating
Patent
1990-06-20
1993-01-26
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210784, 210787, 210188, 210358, 2103602, 210377, 210404, 55 52, 55 55, 494 54, 494 57, 494 58, B01D 3306
Patent
active
051820315
ABSTRACT:
The device comprises a closed chamber (1) equipped with an inlet pipe (3) for the aerated liquid, an outlet pipe (4) for the deaerated liquid, and an air evacuation pipe (5); and a rotor having a shaft extending into the chamber. The shaft carries means (7) for centrifugation of the liquid and means (8,9,10) for intensive agitation of the centrifuged liquid.
The device works according to the following process: continuously, the liquid is introduced into the closed chamber and it is vigorously centrifuged there in with the aid of mechanical means (7) and simultaneously subjected to intensive agitation with the aid of second mechanical means (8,9,10).
The released air gathers freely at the center of the chamber whence it is evacuated, as the deaereated liquid is evacuated through the outlet pipe.
REFERENCES:
patent: 1973864 (1934-09-01), Biffar
patent: 2216542 (1940-10-01), Paige
patent: 2634907 (1953-04-01), Smith
patent: 4119542 (1978-10-01), Yamaoka et al.
patent: 4410337 (1983-10-01), Gullichsen et al.
patent: 4877424 (1989-10-01), Perkola et al.
patent: 4921400 (1990-05-01), Niskanen
Patent Abstracts of Japan, vol. 6, No. 3 (C-86) [881], Jan. 9, 1982; and JP-A-56 129 011 (Tanaka Shiyokuhin Kikai K.K.).
Soviet Invention Illustrated, Section C, semaine 8708; Apr. 4, 1987, Derwent Publications Ltd., Londres No. 87-055 600/08; and Su-A-12 42 199 (Appld Biochem Res) Jul. 07, 1986.
Dawson Robert A.
E & M Lamort (Societe Anonyme)
Reifsnyder David
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