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All Journal Bulletin of Chemical Reaction Engineering & Catalysis
Iskenderova, Aynur Abulfat
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Chemical Engineering, Chemistry & Bioengineering Chemistry

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Alkylation of Benzene with Ethanol over ZSM-5 Based La–P Catalysts Mamedov, Sabit Eyyub; Iskenderova, Aynur Abulfat; Mammadov, Eyyub Sabit; Akhmedova, Nargiz Firudin; Kerimli, Fuad Shamsaddin; Ismayilova, Sevda Baba
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20517

Abstract

Benzene ethylation in the presence of HZSM-5 zeolites is a promising method for producing ethylbenzene. This study examined the effects of modifying lanthanum and phosphorus as additives to the HZSM-5 catalyst, tested in the temperature range of 300-500 °C, at a benzene to ethanol molar ratio of 2:1 in a hydrogen stream. The influence of promoters on acidity and pore structure was investigated using X-ray Diffraction (XRD), NH3 Temperature Programmed Desorption (NH3-TPD), Scanning Electron Microscope (SEM), Brunauer, Emmett, and Teller (BET), and Barrett-Joyner-Halenda (BJH). Among 4%La samples, 4%P/HZSM-5 demonstrated higher ethylbenzene selectivity and operational stability associated with a decrease in the density of strong acid sites and an increase in zeolite mesoporosity because of modification. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Akhmedova, Nargiz Firudin Ismayilova, Sevda Baba Kerimli, Fuad Shamsaddin Mamedov, Sabit Eyyub Mammadov, Eyyub Sabit