Elements of Chemical Reaction Engineering¶
Fogler, H. S. (2006). Elements of Chemical Reaction Engineering. Prentice Hall.
Cited by¶
1 citation across 1 artifact.
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Domain-specific¶
- Side Reaction
- Because rate constants are exponentially dependent on temperature through the Arrhenius equation, and because the desired and unwanted pathways typically have different activation energies, changing temperature shifts the selectivity: if the side reaction has a higher activation energy than the desired reaction, raising temperature accelerates the side reaction disproportionately and erodes selectivity; if the side reaction has a lower activation energy, raising temperature can actually improve selectivity
This sourceThe standard treatment of instantaneous selectivity as the ratio of competing rates with temperature as the lever when the pathways differ; the signed rule keyed to the activation-energy difference sits in the printed section, which was not accessible here.
Supported in partVerified against the source
- Because rate constants are exponentially dependent on temperature through the Arrhenius equation, and because the desired and unwanted pathways typically have different activation energies, changing temperature shifts the selectivity: if the side reaction has a higher activation energy than the desired reaction, raising temperature accelerates the side reaction disproportionately and erodes selectivity; if the side reaction has a lower activation energy, raising temperature can actually improve selectivity
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