Spiral wound type membrane module

Details Spiral wound type membrane module Spiral wound type membrane module

1997-07-17

1999-01-12

Walker, W. L.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

21032176, 21032184, 21032185, 2104934, 2104971, B01D 6310

Patent

active

058582290

ABSTRACT:
A spiral wound type membrane module is formed by winding membranes onto a shaft by way of outer spacers. An inner spacer is inserted into the membrane. Raw water is fed from one end of a membrane roll into channels between the membranes. The raw water flows in a direction substantially parallel to the axis of the roll and is taken out from the other end of the roll as nonpermeated water. Water permeated through the membranes flows in the membranes spirally in the winding direction and is taken out from the opening formed on the circumference of the roll.

REFERENCES:
patent: 5114582 (1992-05-01), Sandstrom et al.
patent: 5128037 (1992-07-01), Pearl et al.
patent: 5147541 (1992-09-01), McDermott, Jr. et al.
patent: 5405422 (1995-04-01), Ueda et al.
patent: 5580452 (1996-12-01), Lin
patent: 5681467 (1997-10-01), Solie et al.

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