On multicomponent adsorption equilibria of xylene mixtures on zeolites

Journal Article · Sun Nov 01 00:00:00 EST 1987 · Ind. Eng. Chem. Res.; (United States)

DOI:https://doi.org/10.1021/ie00071a014· OSTI ID:7030925

Paludetto, R; Storti, G; Gamba, G; Carra, S; Morbidelli, M

Adsorption equilibria of two ternary systems involving m-xylene, p-xylene, and either toluene or isopropylbenzene on zeolite K-Y have been studied. Due to nonideal behavior of the adsorbed phase, m- and p-xylene selectivity is strongly dependent upon composition. In particular, it is found that the addition of a third component can either enhance or depress such selectivity values. Ternary experimental data are well predicted by the developed equilibrium model, whose parameters can be estimated based only on experimental data relative to pure and binary mixtures. Finally, the role of these nonidealities in the equilibrium behavior on the dynamics of adsorption separation columns is discussed.

• Research Organization: Dipartimento di Chimica Fisica Applicata, Politecnico di Milano, 20133 Milano (IT)
• OSTI ID: 7030925
• Journal Information: Ind. Eng. Chem. Res.; (United States), Vol. 26:11
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
XYLENES
ADSORPTION
ZEOLITES
SORPTIVE PROPERTIES
CUMENE
EQUILIBRIUM
MATHEMATICAL MODELS
MIXTURES
TOLUENE
ALKYLATED AROMATICS
AROMATICS
DISPERSIONS
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
SORPTION
SURFACE PROPERTIES
400201* - Chemical & Physicochemical Properties