Filtration method and filtration apparatus
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United States of America Patent
Stats
-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Feb 24, 1999
filing date -
Apr 8, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Filtration apparatus prevents a membrane filter from fouling by providing a UV irradiation apparatus. The filtration apparatus comprises a filtration tank which contains a membrane filter with a pore size of 0.1 to 1 .mu.m connected to the UV irradiation equipment, an air diffusing pipe placed below the membrane filter, an air blower for sending air to the air diffusing pipe, a filtrate discharge pipe connected to the membrane filter, a flow meter and a flow control valve.
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