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Modelling and optimization: Isomerization reaction rate using response surface methodology with two kinetic model over bi-porous catalysts | ||
| Journal of Chemical and Petroleum Engineering | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 21 آذر 1402 اصل مقاله (1.55 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jchpe.2023.346017.1398 | ||
| نویسنده | ||
| Nastaran Parsafard* | ||
| Kosar University of Bojnord, Department of Applied Chemistry, North Khorasan, Iran | ||
| چکیده | ||
| A response surface methodology (RSM) with 3 levels and 4 variables was used to model and optimize the n-heptane isomerization kinetic process over Pt-HZSM-5/HMS catalysts in a fixed bed micro reactor. 30 sets of isomerization rate tests were performed at different conditions of H2 flow rate (20-45 ccmin−1), n-heptane flow rate (2-4.5 cch−1), the temperatures (200-350 °C), and the weight percent of HZSM-5 (10-40%). It was observed that the amounts of HZSM-5 into Pt-HMS structure has the greatest effect on the rate of reaction. The surface and contour plots confirm that the rates do not considerably change versus temperature, n-heptane and H2 flow rates. 0.24 molg−1s−1 is the highest reaction rate obtained in the 4.5 cch−1 n-heptane and 45 cc min−1 H2 flow rate. The RSM was effective for predicting and optimizing this process. The modelling results also show both power-law and Langmuir–Hinshelwood models are in agreement with the experimental data. | ||
| کلیدواژه‌ها | ||
| N-Heptane Isomerization؛ Kinetics؛ Power law Model؛ Langmuir–Hinshelwood Model؛ RSM | ||
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آمار تعداد مشاهده مقاله: 53 تعداد دریافت فایل اصل مقاله: 43 |
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