Liquid purification or separation – With program actuator – Plural treating units or sections sequentially controlled
Patent
1995-05-26
1996-11-26
Drodge, Joseph W.
Liquid purification or separation
With program actuator
Plural treating units or sections sequentially controlled
210511, 366132, 366241, 366273, 422101, 422103, 422255, 422258, B01D 1104
Patent
active
055782019
ABSTRACT:
A reusable apparatus for multiphase, multistage countercurrent liquid separation is presented. The apparatus is particular useful in progressive multistage separation of target microorganisms from background organisms and materials with precise transfer, air exclusion, homogeneous mixing, isolation from the ambient atmosphere, in the absence of valves and at ow cost. The structure has at least one chamber in which a piston-like sliding bottom is sealingly moved or braked and includes internal structure for mixing, preferably a magnetic-stainless steel ball which can be reciprocated from the outside to mix the liquid contents. Motion of the bottom is limited by stops. A number of ways to actuate the apparatus are taught.
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P. Albertsson, "Partition of Cell Particles and Macromolecules", pp. 126-131 (3rd Edition)., 1986.
Collier Charles F.
Deane Brian A.
Feathers William E.
King Robert A.
Kopatsis Alexander D.
Drodge Joseph W.
E. I. Du Pont de Nemours and Company
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