The performance of NiMo/SiO2-Al2O3 and NiMo/SO4-Al2O3 catalysts for hydrocracking of n-hexadecane

Iranian Journal of Catalysis

مقاله 5، دوره 10، شماره 2، شهریور 2020، صفحه 127-134   

نوع مقاله: Articles

نویسندگان

Ehsan Taghizadeh Yusefabad¹؛ Ahmad Tavasoli^{* 1}؛ Yahya Zamani²

¹School of Chemistry, College of Science, University of Tehran, Tehran, Iran.

²Research Institute of Petroleum Industry (RIPI), Tehran, Iran.

چکیده

In this study, the performance of NiMo catalysts over an amorphous SiO₂-Al₂O₃ and SO₄-Al₂O₃ with various contents of H₂SO₄ was investigated for the n-hexadecane hydrocracking (n-C₁₆) using a down flow fixed bed micro-reactor. The synthesized catalysts were characterized using BET, XRD, and NH₃-TPD analysis. The analysis of the coke formed on the catalysts has been carried out using the TG-TPO. The obtained results indicated that the coke formation was decreased by increasing sulfuric acid content in catalysts. The performance of the catalysts was investigated for n-C₁₆ hydrocracking and the liquid products were analyzed using GC-MS. The catalytic activity increased when sulfuric acid content increased and reached to about 99% conversion using catalyst containing 0.21 wt.% H₂SO₄.

کلیدواژه‌ها

Molybdenum؛ Nickle؛ Catalyst؛ Hydrocracking؛ Sulfuric acid

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