Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1989-03-13
1990-01-23
Fisher, Richard V.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210117, 210137, 210378, 210744, 210781, 494 36, 494 56, B01D 2126
Patent
active
048956660
ABSTRACT:
A centrifuge apparatus and a method of filtration are described. The centrifuge has radial and lateral filtration surfaces and separate discharge chambers for each. The lateral filter is located at an imperforate radial distance from the radial filter. This distance forces the filtration to occur through the radial filter and develop the filter cake rather than pass through the lateral filter which has no developed cake. The use of separate, laterally-disposed withdrawal chambers at different radial heights allows accurate control over the hydraulic filtration forces acting across the filter surfaces.
REFERENCES:
patent: 1747144 (1930-02-01), Roberts
patent: 1761593 (1930-06-01), Sharples
patent: 3864256 (1975-02-01), Hultsch et al.
patent: 4052303 (1977-10-01), Hultsch et al.
patent: 4101421 (1978-07-01), Hultsch
patent: 4119542 (1978-10-01), Yamaoka et al.
patent: 4749486 (1988-06-01), Yaoxin et al.
Franzen Paul
Hultsch Gunther
Drodge Joseph
Fisher Richard V.
Koch Robert J.
Krauss-Maffei Aktiengesellschaft
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