Effect of rare earth element doping on catalytic performance of Pt-Sn/Al2O3 catalysts for naphtha reforming process
محل انتشار: شانزدهمین کنگره ملی مهندسی شیمی ایران
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 501
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شناسه ملی سند علمی:
NICEC16_244
تاریخ نمایه سازی: 7 خرداد 1398
چکیده مقاله:
The effect of Ce doping on the performance and stability of Pt/γ-Al2O3 and Pt-Sn/γ-Al2O3 catalysts for hydrotreated naphtha reforming at 500℃, 5 bar, WHSV= 2 and H2/HCs = 4 was investigated. Gas chromatography was employed to measure the catalytic activity of the synthesized catalysts while thermogravimetry analysis characterized the regeneration process. The results showed that increasing the amount of Ce resulted in improved performance of catalyst in converting low octane paraffins to higher octane aromatics. In addition, the catalyst with Sn content and higher amount of Ce showed lower coke amount and required lower temperature to remove the deposited carbons.
کلیدواژه ها:
نویسندگان
Roshanak Kabiri
Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic) Mahshahr campus, Mahshahr, Iran
Mohammad Reza Parvizi
Research & Development office, Bou Ali Sina Petrochemical Co., Mahshahr, Iran
Sajjad Habibzadeh
Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic) Mahshahr campus, Mahshahr, Iran Chemical Engineering Department, Amirkabir University of Technology, (Tehran polytechnic), Tehran, Iran