Hollow fiber membrane module of immersing type
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United States of America Patent
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Oct 7, 2003
Grant Date -
Jul 26, 2001
app pub date -
Dec 23, 1997
filing date -
Dec 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a hollow fiber membrane module of immersing type in which it is difficult for polluted substances to accumulate between hollow fiber membranes, and increase in pressure difference, reduction in flow rate and inter-fiber clogging can be prevented for a long time period. The module is provided at its both ends with water collecting portions having water collecting plates, and hollow fiber membranes are connected to the water collecting plates in such a manner that the hollow fiber membranes are not in contact with each other, and the hollow fiber membranes are mounted between the plates in a relaxed condition.
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