Apparatus for static membrane filtration

Details Apparatus for static membrane filtration Apparatus for static membrane filtration

1983-11-25

1984-12-25

Adee, John

Liquid purification or separation

Filter

Movable medium

210927, B01D 3300

Patent

active

044902565

ABSTRACT:
An apparatus for static membrane filtration, including a cylindrical sample vessel containing a filtration medium and subjected to centrifugal acceleration. A plunger is mounted in sealed manner in the sample vessel, and is being movable therein. An asymmetrical membrane is attached at the end of the plunger facing the bottom of the sample vessel, with the filtration active side of the membrane facing towards the outside. The bottom of the sample vessel is provided with a sealable opening. The mean density of the plunger is greater than the density of the filtration medium, and the length of the plunger in cm is greater or equal to the reciprocal of the mean plunger density in g/cm.sup.3 reduced by 1.

REFERENCES:
patent: 3512940 (1970-05-01), Shapiro
patent: 3870639 (1975-03-01), Moore et al.
patent: 3894950 (1975-07-01), Ayres et al.
patent: 3894951 (1975-07-01), Ayres
patent: 3897337 (1975-07-01), Ayres
patent: 3931010 (1976-01-01), Ayres et al.
patent: 3962085 (1976-06-01), Liston et al.
patent: 4021352 (1977-05-01), Sarstedt
patent: 4154690 (1979-05-01), Ballies
patent: 4202769 (1980-05-01), Greenspan

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