Process for sterilizing a filtration device

Details Process for sterilizing a filtration device Process for sterilizing a filtration device

1986-04-11

1989-06-20

Castel, Benoit

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using direct contact steam to disinfect or sterilize

422 48, 210636, A61C 206

Patent

active

048407690

ABSTRACT:
A process for sterilizing a filtration device which comprises employing therein a hollow fiber type module having hollow fibers of heat resistant polymer with a heat distortion temperature of 70.degree. C. or higher under a load of 18.6 kg/cm.sup.2 and with a pore diameter of less than 0.45 .mu.m and having a difference in average linear expansion coefficient between the sealing material for fixing the end portions of the hollow fibers in the module case, at a temperature of 20.degree.-121.degree. C. of 7.times.10.sup.-5 /.degree. C. or lower, and passing steam from the raw water side of the module to the filtrate side thereof, while withdrawing all or a part of the raw water and filtrate which partially fill the module or alternatively after withdrawal of raw water and filtrate.

REFERENCES:
patent: 4176156 (1979-11-01), Asanuma et al.
patent: 4268279 (1981-05-01), Shindo et al.
patent: 4366051 (1982-12-01), Fischel
Oda et al.; Chem. Econ. & Engineering Review; vol. 11, No. 12 (No. 124); 1979, pp. 36-40.

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