Process for monitoring the integrity of hollow fiber filtration modules
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Sep 1, 2000
filing date -
Mar 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is disclosed for monitoring the integrity of hollow fiber filtration modules and for detecting leaks of treated liquid through a fiber completely or partially broken. It operates continuously and in filtration mode, without production shutdown. The process includes detecting the noise caused by the passage of the liquid through a ruptured fiber. The noise signal thus obtained is amplified. The amplified signal thus obtained is compared with a threshold noise level, within the same range of frequencies, which is characteristic of intact modules, this comparison making it possible to detect whether or not the module is intact.
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