Abstract
Since biodiesel is commonly produced by converting vegetable oil into its methyl esters with the help of catalysis of alkali-hydroxide dissolved in methanol, it is necessary to eliminate the homogeneous catalyst from the crude biodiesel by washing with a large amount of water. With a view of studying the eco-friendly production without discharging wastewater, we investigated the solid base catalysis of calcium oxide. Primarily, transesterification of soybean oil at reflux methanol under atmospheric pressure was carried out on a glass batch reactor, for testing calcium oxide as compared with the other solid base such as calcium hydroxide magnesium oxide, and alumina supported potassium. Calcium oxide was superior in the catalytic activity and the reusability to the other solid bases. Additionally, the interesting facts on the solid base catalysis were found through the primary test. Based on these results, the practical catalyst was manufactured as an experiment. For testing the practical catalyst, rapeseed oil was transesterified on the laboratory scale pilot plant.
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Kouzu, M. (2010). Eco-Friendly Production of Biodiesel by Utilizing Solid Base Catalysis of Calcium Oxide for Reaction to Convert Vegetable Oil into Its Methyl Esters. In: Yao, T. (eds) Zero-Carbon Energy Kyoto 2009. Green Energy and Technology. Springer, Tokyo. https://doi.org/10.1007/978-4-431-99779-5_3
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DOI: https://doi.org/10.1007/978-4-431-99779-5_3
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-99778-8
Online ISBN: 978-4-431-99779-5
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