Water purifying method and system

Details Water purifying method and system Water purifying method and system

1985-10-15

1988-09-20

Sever, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

2103232, 210335, 2104332, 210436, 210472, B01D 1301

Patent

active

047723904

ABSTRACT:
Water contaminated by small amounts of bacteria, pyrogens and low molecular weight organic compounds is treated by passing said contaminated water through a microporous polyolefin membrane having a multitude of rectangularly shaped nodule areas, each nodule area containing a plurality of strip-like microfibrils arranged in a longitudinal direction from one surface of a nodule to the side opposite said surface thereby forming a plurality of strip-like micropores in each nodule, said micropores being contiguous with each other from one surface to the other surface of the membrane thereby forming a micro-stacked structure, the mean pore diameter of said micropores ranging from 0.03 to 0.8 .mu..

REFERENCES:
patent: 3503515 (1970-03-01), Tomsic
patent: 4265762 (1981-05-01), Brenholt
patent: 4401567 (1983-08-01), Shindo et al.
Millipore Bulletin MB410, A Primer on Microfiltration Technology, Millipore Corp. Bedford, Mass., 2/1972, pp. 1-16.

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