JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Online ISSN : 1881-1299
Print ISSN : 0021-9592
EFFECTIVENESS FACTORS FOR NON-UNIFORM CATALYST PELLETS
SHIGEAKI KASAOKAYUSAKU SAKATA
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1968 年 1 巻 2 号 p. 138-142

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The catalytic effectiveness factors with variable rate constants and diffusivities were theoretically studied.
In this work, the fundamental analysis was undertaken for an isothermal first order reaction on the assumption of linear or hyperbolic rate constant-diffusivity distributions with depth of a flat plate catalyst.
The effectiveness factors were correlated as a function of generalized Thiele modulus taking account of the distribution functions, or in terms of apparent rate parameter, ratio of overall rate to rate on external surface, and respective arithmetic mean value of rate constant-diffusivity.
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© The Society of Chemical Engineers, Japan
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