Liquid purification or separation – Plural distinct separators – Filters
Patent
1986-12-22
1987-12-29
Spear, Frank
Liquid purification or separation
Plural distinct separators
Filters
210486, 21032172, B01D 1300
Patent
active
047159553
ABSTRACT:
A filtration apparatus including a filtration module having an axially stacked plurality of filter membrane sheets with the module defining a stack of fluid flow chambers having multi-edged perimeters and disposed on opposite sides of and substantially coextensive with each membrane sheet. Also defined by the module are a plurality of feed passages communicating with alternating ones of the chambers adjacent first axially aligned edges thereof, a plurality of retentate passages communicating with the alternating chambers adjacent to second axially aligned edges thereof opposite to the first edges, and a plurality of filtrate passage means communicating with other ones of the chambers between the alternating ones thereof and with the filtrate passage means entering the other chambers adjacent to either the first or second aligned edges. Also included in the apparatus are a base frame and a pair of parallel plates supported by the frame and movable thereon relative to each other in directions normal thereto. The module is retained between the parallel plates with the direction of movement thereof aligned with the axis of the membrane sheets and one of the plates defines a first channel substantially parallel to and axially aligned with the first edges, a second channel substantially parallel to and axially aligned with the second edges, and a third channel means including one portion substantially parallel to either of the first and second edges and another portion transverse thereto and extending a distance therebetween.
REFERENCES:
patent: 4430218 (1984-02-01), Perl et al.
Filtron Technology Corp.
Jarcho Harold G.
Spear Frank
Toupal John E.
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