Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2008-05-15
2011-10-18
Barry, Chester T (Department: 1776)
Liquid purification or separation
Processes
Treatment by living organism
C210S486000, C428S035200, C427S359000
Reexamination Certificate
active
08038880
ABSTRACT:
Disclosed are seamless membrane bags, for example, a membrane bag comprising a spacer fabric and a volume for permeate collection, the spacer fabric comprising a first part and a second part that are spaced apart and tied together at a predefined distance by monofilament thread and the first and second parts are at least partially embedded with membrane substance and the volume for permeate collection is interposed between the first and second parts. The membrane substance embeds portions of the monofilament thread and fills the spacer fabric along the border of the membrane bag. The membrane substance completely enclosing the volume is seamless. Also disclosed are processes for producing such bags, a filtration unit comprising such a membrane bag, and their uses in the separation of fluids, vapors and particles.
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Adriansens Walter
Cobben Bart
Doyen Wim
Molenberghs Bart
Mues Willem
Barry Chester T
De Vlaamse Instelling voor Technologisch Onderzoek (VITO) N.V.
Leydig , Voit & Mayer, Ltd.
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