DOI: 10.1351/pac200476091647. Design of composite micro/mesoporous molecular sieve catalysts

Design of composite micro/mesoporous molecular sieve catalysts

10.1351/pac200476091647

Crossref journal-article

Walter de Gruyter GmbH

Pure and Applied Chemistry (374)

Abstract

Two series of composite micro/mesoporous materials with different contributions of micro- and mesoporosity were prepared by dealumination and recrystallization of mordenite zeolite. The materials were characterized by X-ray diffraction, infrared spectroscopy, 27Al magic angle spinning (MAS) NMR, nitrogen adsorption–desorption, and temperature-programmed desorption of ammonia (TPD NH3). Catalytic properties were studied in transalkylation of biphenyl with diisopropylbenzene. Both types of composite materials showed remarkably high activity, stability, and selectivity toward formation of di-isopropylbiphenyls with respect to both pure microporous and mesoporous materials. The effect is due to high zeolitic acidity combined with improved accessibility of active sites and transport of bulky molecules provided by mesopores.

Bibliography

Ivanova, I. I., Kuznetsov, A. S., Yuschenko, V. V., & Knyazeva, E. E. (2004). Design of composite micro/mesoporous molecular sieve catalysts. Pure and Applied Chemistry, 76(9), 1647â1657.

Authors 4

I. I. Ivanova (first)
A. S. Kuznetsov (additional)
V. V. Yuschenko (additional)
E. E. Knyazeva (additional)

References 0 Referenced 73

None

Dates

Type	When
Created	17 years, 10 months ago (Oct. 13, 2007, 2:05 p.m.)
Deposited	4 years, 4 months ago (April 19, 2021, 11:11 a.m.)
Indexed	2 months, 2 weeks ago (June 19, 2025, 3:42 p.m.)
Issued	20 years, 11 months ago (Sept. 30, 2004)
Published	20 years, 11 months ago (Sept. 30, 2004)
Published Print	20 years, 11 months ago (Sept. 30, 2004)

Funders 0

None

BibTeX

@article{Ivanova_2004, title={Design of composite micro/mesoporous molecular sieve catalysts}, volume={76}, ISSN={0033-4545}, url={http://dx.doi.org/10.1351/pac200476091647}, DOI={10.1351/pac200476091647}, number={9}, journal={Pure and Applied Chemistry}, publisher={Walter de Gruyter GmbH}, author={Ivanova, I. I. and Kuznetsov, A. S. and Yuschenko, V. V. and Knyazeva, E. E.}, year={2004}, month=sep, pages={1647–1657} }

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