Detection of anomalies in gas fluidized bed polymerization
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United States of America Patent
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Aug 15, 1989
Grant Date -
N/A
app pub date -
Feb 12, 1987
filing date -
Feb 19, 1986
priority date (Note) -
Expired
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Abstract
A process for detecting anomalies in a fluidized bed, e.g. the incidence of agglomeration in gas-fluidized bed polymerization, comprises sensing and converting into electrical signals the pressure at one level, or the pressure difference between two or more levels in the reactor, processing these signals by computer to produce a pressure spectrum and comparing with a reference spectrum obtained in the absence of anomalies. The device comprises one or more pressure sensors 11,12,13, which measure the pressure at various levels in the reactor 1, and a computer 27.
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