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- W4225849889 abstract "Abstract A multi‐reactor stopped‐flow apparatus has been developed to study gas‐phase olefin polymerization at short times under industrially meaningful reaction conditions. A simplified single‐phase 1D dynamic model of the reactor was used to develop an estimator of the polymerization rate from the recorded measurements of temperature, pressure, and flow rates. This combined hardware/software tool was used to investigate the difference between two commercial catalysts that showed different activity profiles in a standard laboratory reactor. Using the temperature and rate profiles generated with this new reactor, it was shown that one of the catalysts exhibited extremely rapid light off and an associated initial temperature spike. Since the observed activity of this catalyst was much lower than that of the other catalyst in the laboratory‐scale reactor, it is postulated that thermal deactivation, which cannot be detected in the larger system, was responsible for the lower long‐term activities." @default.
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- W4225849889 date "2022-05-04" @default.
- W4225849889 modified "2023-10-18" @default.
- W4225849889 title "Polymerization of ethylene in the gas phase—A new combined hardware and software tool" @default.
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- W4225849889 doi "https://doi.org/10.1002/cjce.24412" @default.
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