Brønsted imidazolium ionic liquids: Synthesis and comparison of their catalytic activities as pre-catalyst for biodiesel production through two stage process

• Main Authors: Elsheikh, Y.A., Man, Zakaria, Bustam, Mohamad Azmi, Yusup, Suzana, Wilfred, Cecilia
• Format: Article
• Published: Elsevier B.V. 2011
• Subjects: T Technology (General)
• Online Access: http://eprints.utp.edu.my/3476/1/Y_A_Elsheikh.pdf; http://www.elsevier.com/wps/find/journaldescription.cws_home/269/description#description; http://eprints.utp.edu.my/3476/

In the present work, study was undertaken to prepare biodiesel via a two-step transesterification process. The high free fatty acids (FFA) value contained in the crude palm oil (CPO), which cause several problems with the straight alkaline-catalyzed, were converted to fatty acid methyl esters (FAME)...