Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1983-03-11
1984-10-09
Spear, Frank
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
2104332, B01D 3100
Patent
active
044760221
ABSTRACT:
A module for use in separating a permeate from a fluid feed mixture. The module employs a serrated product tube with a plurality of perforations or apertures through the serrations to the inside of the tube. The serrations take the form of a helix or a grid. A product spacer with protruding ribs on one surface is folded over the product tube with the ribs on the opposite side of the serrations of the tube, and extending a predetermined length for laminating with additional spacer material and a membrane with a highly porous backing. The free ends of the membrane are sealed together to form an envelope enclosing the product spacer. First and second brine spacers having channels parallel with the axis of the tube separate the envelope portion of the product spacer and membrane so that when the membrane and spacers are spirally wound about the tube, each layer of product spacer and membrane have first and second brine spacers therebetween with the channels of the first and second brine spacers opposing.
REFERENCES:
patent: 3962095 (1976-06-01), Luppi
patent: 4235723 (1980-11-01), Bartlett, Jr.
Gilliam Frank D.
Spear Frank
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