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• W1551298103 abstract "The olefins polymerization process in a slurry reactor is discussed. The reaction rate dynamics was analyzed and the contributions of feed flow, gas-liquid mass transfer, polymerization reaction, and catalyst deactivation were estimated. The propylene solubility in a solvent mixture “heptane” was calculated using Soave-RedlichKwong equation of state. These data were then approximated by Henry-like equation and the results were verified in experiments. The influence of propylene dissolving in ”heptane which was examined in special experiments without catalyst has provided the independent estimation of gas-liquid mass transfer coefficient. It has been shown that the reaction rate during the first 20-30 min of test is much lower (or higher) than total monomer consumption, depending on reactant addition sequence. The method of kinetic experiments interpretation and corresponding mathematical model are proposed. The method enables to estimate the kinetic parameter of monomer dissolution, the reaction rate constant of polymerization, as well as the parameters of active centers transformation – activation, deactivation and self-regeneration. An adequacy of model was proved by the description of experiments at two different pressures but with the same parameters values. Polyolefins J (2015) 2: 89-97" @default.
• W1551298103 created "2016-06-24" @default.
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• W1551298103 date "2015-06-01" @default.
• W1551298103 modified "2023-09-23" @default.
• W1551298103 title "Reaction dynamics during the testing of polymerization catalyst" @default.
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• W1551298103 doi "https://doi.org/10.22063/poj.2015.1156" @default.
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