Title :
Biodiesel production using soybean oil catalyzed by K2O/Al2O3
Author :
Jiang, Lian-fei ; Cui, Qiu-na ; Li, Guang-jian ; Chen, Ying-rning
Author_Institution :
Fac. of Archit. Environ. & Energy Eng., Henan Univ. of Urban Constr., Pingdingshan, China
Abstract :
Solid alkali catalyst was prepared with K2CO3 immobilized on alumina by impregnation method. Represented with SEM, IR and BET techniques, the catalysts indicated relatively uniform particle size distribution with perfect particle surface area, pore volume and pore size. Soybean oil was catalyzed to investigate the catalysis characteristics. The results showed that the maximum conversion rate of 74.5% was obtained under the optimal reaction conditions: alcohol/oil molar ratio of 9:1, 60°C, 5 hours, 3wt% catalyst. The catalyst could be reused with half-life of 7 times. The major components of biodiesel are mixture of C17 and C19 unsaturated fatty acid methyl esters.
Keywords :
alumina; biofuel; catalysis; catalysts; infrared spectra; particle size; potassium compounds; scanning electron microscopy; vegetable oils; BET technique; IR technique; K2O-Al2O3; SEM technique; alcohol-oil molar ratio; alumina; biodiesel production; catalysis characteristics; impregnation method; particle size distribution; particle surface area; solid alkali catalyst; soybean oil; temperature 60 degC; time 5 hour; unsaturated fatty acid methyl ester; Biofuels; biodiesel; catalyst; impregnation method; representation; transesterification;
Conference_Titel :
Materials for Renewable Energy & Environment (ICMREE), 2011 International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-61284-749-8
DOI :
10.1109/ICMREE.2011.5930846
