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Title: Sorption and diffusion of cresols on bonded β-cyclodextrin-silica stationary phase
Authors: Ching, Chi Bun 
Hidajat, Kus 
Liu, Xiaoping
Issue Date: Nov-1993
Citation: Ching, Chi Bun,Hidajat, Kus,Liu, Xiaoping (1993-11). Sorption and diffusion of cresols on bonded β-cyclodextrin-silica stationary phase. Industrial and Engineering Chemistry Research 32 (11) : 2789-2793. ScholarBank@NUS Repository.
Abstract: The adsorption of cresol isomers on a bonded β-cyclodextrin-silica stationary phase has been studied. The adsorption equilibrium constants and kinetic parameters are determined by pulse chromatography. The calculated effective intraparticle diffusivity is in the order of 10-9-10-8 cm2/s in the temperature range of 283-323 K. The effective diffusivities have the same order as predicted values except at the temperature of 323 K. It is found that a restricted diffusion accompanied by the phenomena of adsorption of solutes occurs within adsorbent pores. A correlation between adsorption equilibrium and kinetic properties is proposed for the present system, showing that the effective intraparticle diffusivities are influenced by the adsorption equilibrium constants.
Source Title: Industrial and Engineering Chemistry Research
ISSN: 08885885
Appears in Collections:Staff Publications

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