Effect of modification of Cu+-13X zeolite with lanthanum on characteristics of adsorption of 3-methylthiophene and benzothiophene

Zeolite sorbents Cu + -13X and La/Cu + -13X were prepared by the ion-exchange method. Static equilibrium and kinetics for adsorption of 3-methylthiophene and benzothiophene on these zeolites were studied. The adsorption isotherm corresponds to the Langmuir model. The kinetic data are described by th...

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Veröffentlicht in:	Chemistry and technology of fuels and oils 2013-05, Vol.49 (2), p.148-155
Hauptverfasser:	Zexiao, He, Shengui, Ju, Tong, Miao, Hui, Liu, Yuxia, Li, Feng, Zhou, Weijian, Qi
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Chemistry and Materials Science Geotechnical Engineering & Applied Earth Sciences Industrial Chemistry/Chemical Engineering Mineral Resources
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Zeolite sorbents Cu + -13X and La/Cu + -13X were prepared by the ion-exchange method. Static equilibrium and kinetics for adsorption of 3-methylthiophene and benzothiophene on these zeolites were studied. The adsorption isotherm corresponds to the Langmuir model. The kinetic data are described by the Crank diffusion model. Modification of the zeolite Cu + -13X with lanthanum promotes an increase in absorption capacity and maximum adsorption capacity, and reduces adsorption competition between 3-methylthiophene and benzothiophene.
ISSN:	0009-3092 1573-8310
DOI:	10.1007/s10553-013-0425-9