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Mechanistic modeling of the wall reactions in the pyrolysis of pentachloroethane

✍ Scribed by G. Huybrechts; Y. Daniels; G. Van Assche; B. Van Mele

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 177 KB
Volume: 34
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.10054

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✦ Synopsis

Abstract

The thermal dehydrochlorination C~2~HCl~5~ → C~2~Cl~4~ + HCl has been studied in a static system between 565 and 645 K at pressures ranging from 5 to 21 torr. The course of the reaction was followed by measuring the pressure rise in the conditioned quartz reaction vessel and by analyzing the products by gas chromatography. The observed experimental results and data from the literature for flow systems can be explained quantitatively in terms of a radical reaction model involving heterogeneous chain initiation and termination steps. The rate constants have been deduced for reactions of Cl, Cl~2~, and C~2~HCl~5~ over reactor walls covered with a pyrolytic carbon film and for reactions of adsorbed Cl atoms. © 2002 Wiley Periodicals, Inc. Int J Chem Kinet 34: 322–330, 2002

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