Overall rate constant of pyrolysis of n-alkanes at a low conversion level

Masaru Watanabe; Tadafumi Adschiri; Kunio Arai

doi:10.1021/ie000796a

Overall rate constant of pyrolysis of n-alkanes at a low conversion level

Masaru Watanabe, Tadafumi Adschiri, Kunio Arai

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

We proposed a new model for estimation of the overall rate constant of pyrolysis of n-alkanes at a low conversion level. The model was based on the Kossiakoff and Rice theory, that is, including the following five elementary reactions: initiation, isomerization, β scission, H abstraction, and termination. The carbon number dependence of the rate constant of bimolecular reactions (H abstraction and termination) was taken into account in the model. The model can predict the overall rate constant of n-alkanes (n-C₃-n-C₃₂) at a wide range of temperatures (572-973 K) and concentrations (6.86 × 10^-3-2.72 M) successfully. Finally, we could explain the carbon number dependence of the overall rate constant of n-alkane pyrolysis from the literature by the theoretical basis.

Original language	English
Pages (from-to)	2027-2036
Number of pages	10
Journal	Industrial and Engineering Chemistry Research
Volume	40
Issue number	9
DOIs	https://doi.org/10.1021/ie000796a
Publication status	Published - 2001 May 2

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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Overall rate constant of pyrolysis of n-alkanes at a low conversion level

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