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Testing the validity of the effective rate constant approximation for surface reaction with transport

✍ Scribed by D.A. Edwards; S.A. Jackson

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 414 KB
Volume: 15
Category: Article
ISSN: 0893-9659
DOI: 10.1016/s0893-9659(02)80005-2

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✦ Synopsis

When one incorporates transport effects into a surface-volume reaction, an integrodifferential equation for the bound state concentration occurs. Such a form is inconvenient for data analysis.

An effective rate constant approximation for the solution is correct to 0(Da2) as the Damkohler number Da ---) 0. A numerical simulation of the integrodifferential equation is performed which shows that the effective rate constant approximation is useful even outside this regime.

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