Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1985-12-12
1987-08-18
Spear, Frank
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
55158, 21050023, 210640, G01D 1300
Patent
active
046875786
ABSTRACT:
Fluid separation membranes and modules containing the separation membranes are disclosed wherein the membranes have preselected portions having lower selectivity to the feed fluid mixture; thus permitting the fluid feed mixtures to permeate the membranes in controlled amounts for purposes of sweeping selected permeate fluid away from the non-feed membrane surface.
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patent: 3370708 (1968-02-01), Hultgren et al.
patent: 3503515 (1970-03-01), Tomsic
patent: 4098698 (1978-07-01), Lamothe
patent: 4234428 (1980-11-01), Schnell
Croskell H.
Monsanto Company
Spear Frank
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