Optimization of main parameters affecting activity and octane number produced from catalytic isomerization of n-heptane using response surface methodology

Iranian Journal of Catalysis

مقاله 2، دوره 13، شماره 2، شهریور 2023، صفحه 125-133   

نوع مقاله: Articles

شناسه دیجیتال (DOI): 10.30495/ijc.2023.1980650.1994

نویسنده

Nastaran Parsafard^*

Department of Applied Chemistry, Kosar University of Bojnord, North Khorasan, Iran

چکیده

In this work, the Response Surface Methodology (RSM) was investigated by applying the Design of the Experiment in normal heptane isomerization. The design was guided to three surface responses on the dependency of normal heptane conversion, isomerization selectivity, and research octane number on the reaction temperature (200 - 350 °C), the weight percentage of protonated Zeolite Socony Mobil–5 (HZSM-5) zeolite in catalyst structure (10 - 40 weight percent) and time on stream (1 - 6 h). The Analysis of Variance for Pt-supported micro/mesoporous catalysts indicated that the reaction temperature was the prominent significant variable in normal heptane conversion, the development of isomers, and research octane number followed by weight percent of HZSM-5 and time on stream. The optimum research octane number predicted from the response surface analysis is ~ 61 at the reaction temperature of 350 °C, weight percent of HZSM-5 of 25%, and time on stream of 1 h.

کلیدواژه‌ها

Analysis of Variance, Design of Experiment؛ n-Heptane isomerization؛ Response Surface Methodology؛ Research octane number

سایر فایل های مرتبط با مقاله

Supplementary Information .pdf

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