The Aromatization of Propene Via Nano-Size HZSM-5

Авторы: Wayne Seames, Swapnil Fegade, Inna Sakodynskaya, Darrin Muggli, Brian Tande, Alena Kubátová, Evguenii Kozliak
Журнал: American Journal of Applied Chemistry
Том: 6
Номер: 5
Год издания: 2018
Первая страница: 175
Последняя страница: 188
DOI: 10.11648/j.ajac.20180605.13
Аннотация: http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=227&doi=10.11648/j.ajac.20180605.13 Zeolite (ZSM) catalysts are known to convert small-size alkenes, e.g., propene, into aromatic hydrocarbons, specifically benzene, toluene and xylenes (BTX), with both high efficiency and specificity. The efficiency of conventional and hierarchical nano-size ZSM-5 for propene aromatization was compared in this study using a Design of Experiments (DOE) approach combined with detailed product analysis. Contrary to our expectations, the former showed a significantly greater BTX yield than the latter. Analysis of the obtained data by DOE and additional experiments with soybean oil cracking using both catalyst types indicated that a reason for the observed reduced activity of nano-scale zeolites may be tenacious water adsorption, which may reduce the catalyst active site availability to the substrate.
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