Simultaneous Conversion of Triglyceride/Free Fatty Acid Mixtures into Biodiesel using Sulfated Zirconia

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  2. Professor Adam Harvey
  3. Dussadee Rattanaphra
Author(s)Harvey AP, Rattanaphra D, Srinophakun P
Publication type Article
JournalTopics in Catalysis
ISSN (print)1022-5528
ISSN (electronic)1572-9028
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Simultaneous transesterification and esterification of rapeseed oil with methanol in the presence of myristic acid was investigated. The effect of reaction temperature (120, 150 and 170 °C) and the effect of initial free fatty acid content in oil (0, 10 and 20 wt%) on reaction rate were studied. The catalysts were found to increase the rate of all reactions. Sulfated zirconia prepared by a solvent-free method exhibited higher activity in simultaneous reaction than the conventional method. The presence of 10 wt% free fatty acids in the triglyceride increased the reaction rate and the final total fatty acid methyl esters content, and suggests that a “non-catalytic” reaction may be feasible.
PublisherSpringer New York LLC
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