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Pyrolysis of soybean oil with H-ZSM5 (Proton-exchange of Zeolite Socony Mobil #5) and MCM41 (Mobil Composition of Matter No. 41) catalysts in a fixed-bed reactor

Thanh-An Ngo, Jinsoo Kim, Sun Kuk Kim and Seung-Soo Kim

Energy, 2010, vol. 35, issue 6, 2723-2728

Abstract: Soybean oil was pyrolyzed with various catalysts in a fixed-bed reactor under nitrogen flow at 420 and 450°C. The H-ZSM5 catalysts (molar ratio SiO2/Al2O3=28, 40, and 180) and 2wt% (Ga, Al or Cu) impregnated MCM41 catalysts were used in order to investigate the effect of catalysts during the pyrolysis process. The gas products in all experiments were mainly methane, ethane and propylene. The liquid products in the presence of H-ZSM5 catalysts were mainly aromatic components while those with metal/MCM41 catalysts were a mixture of alkanes, alkenes, alkadienes, aromatic and carboxylic acids. The highest coke yield of 4.4wt% was obtained with Ga/MCM41 catalyst at the pyrolysis temperature of 420°C. The effect of catalysts on product yield and composition was systematically investigated.

Keywords: Pyrolysis; Soybean oil; H-ZSM5; MCM41; Acidity (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:eee:energy:v:35:y:2010:i:6:p:2723-2728