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Pressure gradients in porous catalyst Pellets

✍ Scribed by R.J.J. Williams; R.E Cunningham

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
114 KB
Volume
34
Category
Article
ISSN
0009-2509

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πŸ“œ SIMILAR VOLUMES

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Cond~tions under winch pressure meats rmght be expected N porous catalyst pellets are mvesbgated and a pnon bounds on the rnagmtude of the pressure vanaaons are obtamed for the hm~tmg cases of bulk Muslon control and Knudsen dfluslon control Two previous mves@ations of the effect of neglectmg pressu

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Adsorption isotherms for the system methane-nitrogen molecular sieves were made for temperatures between 123" and 295Β°K. and pressures up to 8 5 atm. Constants for the Langmuir equation were obtained for the pure components. For the mixtures, constants for a modified Langmuir equation are presented.

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Tke dusty gas model is used to establish the effects of temperature and pressure gradients on catalyst pellet effectiveness factors for reaction systems in which species molecular weights and transport coefficients are indistinguishable and Lui = 0. For this class of reactions, the total molar flux