Method of cooling filtration apparatus after steam sterilization

Details Method of cooling filtration apparatus after steam sterilization Method of cooling filtration apparatus after steam sterilization

1997-01-02

1999-04-06

Kim, John

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21032169, 422 1, 422 11, 422 26, B01D 6502

Patent

active

058913408

ABSTRACT:
Filtration of raw water by a filtration apparatus in which a membrane module is incorporated is sLopped, and sterilization is performed for a predetermined time period by supplying steam to the filtration apparatus. Thereafter, the raw water at an ordinary temperature is passed through the filtration apparatus at a linear velocity of 0.1. m/sec. or less, so as to cool the filtration apparatus.

REFERENCES:
patent: 4810469 (1989-03-01), Masuhara
patent: 4840769 (1989-06-01), Nejigaki et al.
patent: 5268144 (1993-12-01), Heilmann et al.

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