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Induced heterogeneity, a novel technique for the study of gas-phase reactions. Part I. Determination of the arrhenius parameters for CC bond scission in propane

✍ Scribed by Khalid Kanan; Howard Purnell; Eileen Smith

Publisher: John Wiley and Sons
Year: 1983
Tongue: English
Weight: 475 KB
Volume: 15
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550150107

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✦ Synopsis

It is shown that, by deliberate activation of the reaction vessel, heterogeneous reaction at the wall can be made to dominate chain termination in a complex gas-phase reaction. For a homogeneous process, characterized, as is often the case, by multiple terminations, this has the effect of simplifying the mechanism and allowing explicit solution of the relevant steady-state equations so that the rate constants of some individual steps can be evaluated without assumption as to the values of those of others.

The pyrolysis of propane, in the vicinity of 5OO0C, has been used as an example of this approach. Enhancement of the wall activity leads to the reaction

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Induced heterogeneity, a novel technique

Induced heterogeneity, a novel technique for the study of gas-phase reactions. 2. Direct study of CC bond scission in ethane

✍ Khalid Kanan; Howard Purnell; Abolgassem Sepherad 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 370 KB 👁 1 views

Deliberate activation of the reaction vessel surface leads to the domination of chain termination in ethane pyrolysis by the reaction As a result, chains are dramatically reduced in length, methane yields are entirely primary and larger in proportion to other products, and values of k l (1) C2H6 -+