Sorption, Diffusion, and Catalytic Reaction in Zeolites

作者: L. Riekert

DOI: 10.1016/S0360-0564(08)60566-0

关键词: CrystalliteDesorptionCatalysisChemical reactionPhysical chemistrySorptionChemistryThermodynamicsAdsorptionSorbentPhase boundary

摘要: Publisher Summary This chapter discusses the quantitative aspects of catalytic reaction rates in zeolites. The examines possible models representing equilibrium and rate phenomena gas-zeolite systems to obtain an understanding kinetics chemical reactions Sorption equilibria sorption/desorption, exchange, are closely related represented terms same model. In case sorption by zeolites, sorbed amount is found be proportional mass solid sorbent, independent crystallite size or extent phase boundary; bulk volume generally large compared with adsorption on crystal faces. zeolites regarded as “internal surface,” lattice being considered analog a macroporous solid. description useful characterize properties capacities However, surface” does not constitute boundary theories surface thermodynamics capillarity cannot applied internal pore structure.

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