Preparation and characterization of Cs/Al/Fe₃O₄ nanocatalysts for biodiesel production

详细信息    查看全文

• 作者：Mostafa Feyzi^a ; ^{Dalahoo2011@yahoo.com} ; ^{M.Feyzi@razi.ac.ir} ; Asadollah Hassankhani^b ; Hamid Reza Rafiee^a
• 关键词：Biodiesel ; Optimal catalyst ; Characterization ; Calcination conditions
• 刊名：Energy Conversion and Management
• 出版年：2013
• 出版时间：July, 2013
• 年：2013
• 卷：71
• 期：Complete
• 页码：62-68
• 全文大小：1355 K

文摘

Cs/Al/Fe₃O₄ nanocatalysts were prepared via novel synthesis method. This research investigated the effects of different Cs/Al and Cs/Fe molar ratio and calcination conditions on the catalytic performance of Cs/Al/Fe₃O₄ catalysts for biodiesel FAME (fatty acids methyl ester) production. It was found that the catalyst with Cs/Al = 2.5/1 and Cs/Fe = 4/1 molar ratio was an optimal catalyst for biodiesel production. The activity of optimal catalyst was studied in different operational conditions. The results showed that the best operational conditions were the oil/CH₃OH = 1/14 at 58 ¡ãC with mechanical stirring for 120 min. Furthermore, the optimal catalyst showed high catalytic activity for biodiesel production and the biodiesel yield reached 94.8 % under the optimal conditions. Characterization of catalysts was carried out by using scanning electron microscopy (SEM), X-ray dif fraction (XRD), transmission electron microscopy (TEM) and N₂ adsorption-desorption measurements methods.