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- W1502651898 abstract "Stationary and deactivation kinetics were studied in a gradientless reactor for the isomerization and disproportionation of 1-butene on a MoO3/γ-Al2O3 catalyst at 30 bar. As the catalytic activity for the disproportionation is built up only during the reaction itself a special procedure had to be developed to guarantee a reproducible and consistent activity for the evaluation of the stationary kinetics. Based on these stationary kinetics the activity versus time-on-stream functions for the isomerization as well as for the disproportionation were determined to evaluate the deactivation kinetics. A mechanistically plausible correlation between calculated activities, Brønsted acidity and coke content of the catalyst was developed. The inverse correlation between metathesis activity and normalized coke content supports the mechanistic assumption that coke is mainly deposited on the metathesis sites, whereas the isomerization seems to be catalyzed preferentially by Brønsted-acid sites." @default.
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- W1502651898 date "1991-09-01" @default.
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- W1502651898 title "Isomerization and disproportionation of 1-butene" @default.
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- W1502651898 doi "https://doi.org/10.1016/0166-9834(91)80005-h" @default.
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