Pretreatment of Feedstock by lon Exchange Resin Catalyst in Biodiesel Process
2006
Lee, S.G. (University of Seoul, Seoul, Republic of Korea) | Chae, H.J. (Hoseo University, Asan, Republic of Korea) | Yoo, J.W. (Neo Energy Co. Ltd., Pyeongtack, Republic of Korea) | Kim, E.Y. (University of Seoul, Seoul, Republic of Korea), E-mail: [email protected]
Free fatty acids are not esterified by alkaline catalyst transesterification. They are detrimental to the quality specifications in biodiesel. Therefore, we tried to find solid catalyst to remove free fatty acids in feedstock. Amberlyst 15 resin was selected as the best catalyst, and the moisture content containing in the resin was found to be important for the reaction. The removal efficiency of free fatty acids was gradually decreased from 97% to 79% by ten times reuse of resin.
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