Elliptical filtration unit

Details Elliptical filtration unit Elliptical filtration unit

1996-12-11

1998-12-22

Walker, W. L.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

21032175, 21032184, 210445, B01D 6910

Patent

active

058513906

ABSTRACT:
A filtration unit containing a filtering membrane, a cover upstream of the membrane, and a base downstream of the membrane, and joined together, characterized in that the filtering membrane has an elliptical shape. This elliptical shape facilitates the use for filtration and allows the unit to be reused without the formation of an air lock when the filtering membrane is partially hydrophobic.

REFERENCES:
patent: 3520416 (1970-07-01), Keedwell
patent: 4666603 (1987-05-01), Madsen et al.
patent: 4902415 (1990-02-01), Lemonnier
patent: 4933084 (1990-06-01), Bandel et al.
patent: 4935142 (1990-06-01), Sternberg
patent: 5112488 (1992-05-01), Lemonnier
patent: 5141639 (1992-08-01), Kraus et al.
patent: 5269917 (1993-12-01), Stankowski
patent: 5443723 (1995-08-01), Stankowski et al.

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