Filtration apparatus using hollow fiber membrane
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United States of America Patent
Stats
-
Oct 15, 1985
Grant Date -
N/A
app pub date -
Feb 27, 1984
filing date -
Feb 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filtration apparatus for removing undesirable components from a solution to be treated, comprises a module in which a number of hollow fibers are fixed at one end thereof by cast-molding materials, and is opened at the end portion above described and closed at another end portion thereof, in which said solution to be treated can be kept from leaking out of a mechanically sealed portion. Any defect in the sealed portion can be detected from the outside by the provision of an opening which leads the leaked solution to the outside of the apparatus, instead of allowing it to combine with the filtrate. The apparatus is preferably used for the manufacture of purified water which is free from bacteria, pyrogene, and the like. Ultra-purified water of remarkably high purity can be obtained when the apparatus is used as a check filter in a process for manufacturing ultra-purified water.
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