Hollow fiber membrane separation device with a housing made from

Details Hollow fiber membrane separation device with a housing made from Hollow fiber membrane separation device with a housing made from

1993-06-01

1995-01-10

Dawson, Robert A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

2103218, 21032189, 21050023, 96 8, 156434, 156 69, 156294, 264251, B01D 6300

Patent

active

053804333

ABSTRACT:
The present invention is a hollow fiber separation assembly having one or more bundles of hollow fiber membranes with a tubesheet at each end enclosed by an end cap. An impermeable housing, preferably made from a flexible polymeric material, most preferably a shrinkable tubing, contacts and encloses the bundle, extending between the end caps. The polymeric, impermeable housing contacts and compacts the array of fibers in the bundle to enhance axial flow along the outside of individual fibers, protects the fiber bundle between the end caps, and contains the permeated fluid and diverts it to a port or ports at the end(s) of the bundle. This hollow fiber separation device provides a large capacity, and is also low cost, lightweight, may be used as a stand-alone separation device, and does not have a high-pressure section which requires testing.

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