Membrane filtration assembly

Details Membrane filtration assembly Membrane filtration assembly

1998-07-21

2000-08-22

Drodge, Joseph W.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Coiled membrane

21032167, 210356, 210440, 210483, 210541, 210456, 96 7, 55420, B01D 6310, B01D 6500

Patent

active

061067156

ABSTRACT:
A novel spiral membrane arrangement is disclosed comprising opposing elongate filtration membrane units, spiraled about a base axis and separated by a novel lattice separator having spaced apart elongate primary laths which form fluid passageways, bridged by cross laths arranged to form a plurality of fluid shears spaced along the passageways which divide, deflect and/or disrupt gross fluid flow through the passageway, directing fluid against the membrane surface and creating a self cleaning functionality which improves the efficiency and the life of the life of the membrane arrangement.

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patent: 4035305 (1977-07-01), Miller et al.
patent: 4083780 (1978-04-01), Call
patent: 4213858 (1980-07-01), Boberg et al.
patent: 5639365 (1997-06-01), McLoughlin et al.
patent: 5891334 (1999-04-01), Gundrum et al.

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