Cyclopentene decomposition in shock waves

David K. Lewis; Michael Sarr; Mark Keil

doi:10.1021/j100597a025

Cyclopentene decomposition in shock waves

David K. Lewis, Michael Sarr, Mark Keil

Gastroenterologic and General Surgery

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

18 Scopus citations

Abstract

The rate of thermal dehydrogenation of cyclopentene was studied in a single-pulse shock tube. Reactant mixtures consisted of 0.25 and 1.00% cyclopentene in argon, and total gas pressures were about 1 atm. Reaction temperatures were determined via the comparative rate technique, using the decomposition of tert-butyl alcohol as the internal standard reaction. Over the temperature range 1020-1189°K the data support a first-order rate equation, with rate constants in units of sec^-1 given by log k(C₅H₈ → C₅H₆ + H₂) = 13.35 - [60.0 × 10³/4.58T°K]. The reaction was essentially free of complications over this temperature range, but significant concentrations of side products were formed at higher temperatures. A separate study of the products formed from cyclopentadiene decomposition suggests that these side products were produced primarily from cyclopentene. Possible mechanisms are discussed.

Original language	English (US)
Pages (from-to)	436-439
Number of pages	4
Journal	Journal of physical chemistry
Volume	78
Issue number	4
DOIs	https://doi.org/10.1021/j100597a025
State	Published - 1974

ASJC Scopus subject areas

General Engineering
Physical and Theoretical Chemistry

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title = "Cyclopentene decomposition in shock waves",

abstract = "The rate of thermal dehydrogenation of cyclopentene was studied in a single-pulse shock tube. Reactant mixtures consisted of 0.25 and 1.00% cyclopentene in argon, and total gas pressures were about 1 atm. Reaction temperatures were determined via the comparative rate technique, using the decomposition of tert-butyl alcohol as the internal standard reaction. Over the temperature range 1020-1189°K the data support a first-order rate equation, with rate constants in units of sec-1 given by log k(C5H8 → C5H6 + H2) = 13.35 - [60.0 × 103/4.58T°K]. The reaction was essentially free of complications over this temperature range, but significant concentrations of side products were formed at higher temperatures. A separate study of the products formed from cyclopentadiene decomposition suggests that these side products were produced primarily from cyclopentene. Possible mechanisms are discussed.",

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journal = "Journal of physical chemistry",

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TY - JOUR

T1 - Cyclopentene decomposition in shock waves

AU - Lewis, David K.

AU - Sarr, Michael

AU - Keil, Mark

PY - 1974

Y1 - 1974

N2 - The rate of thermal dehydrogenation of cyclopentene was studied in a single-pulse shock tube. Reactant mixtures consisted of 0.25 and 1.00% cyclopentene in argon, and total gas pressures were about 1 atm. Reaction temperatures were determined via the comparative rate technique, using the decomposition of tert-butyl alcohol as the internal standard reaction. Over the temperature range 1020-1189°K the data support a first-order rate equation, with rate constants in units of sec-1 given by log k(C5H8 → C5H6 + H2) = 13.35 - [60.0 × 103/4.58T°K]. The reaction was essentially free of complications over this temperature range, but significant concentrations of side products were formed at higher temperatures. A separate study of the products formed from cyclopentadiene decomposition suggests that these side products were produced primarily from cyclopentene. Possible mechanisms are discussed.

AB - The rate of thermal dehydrogenation of cyclopentene was studied in a single-pulse shock tube. Reactant mixtures consisted of 0.25 and 1.00% cyclopentene in argon, and total gas pressures were about 1 atm. Reaction temperatures were determined via the comparative rate technique, using the decomposition of tert-butyl alcohol as the internal standard reaction. Over the temperature range 1020-1189°K the data support a first-order rate equation, with rate constants in units of sec-1 given by log k(C5H8 → C5H6 + H2) = 13.35 - [60.0 × 103/4.58T°K]. The reaction was essentially free of complications over this temperature range, but significant concentrations of side products were formed at higher temperatures. A separate study of the products formed from cyclopentadiene decomposition suggests that these side products were produced primarily from cyclopentene. Possible mechanisms are discussed.

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Cyclopentene decomposition in shock waves

Abstract

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