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    Article

    Esterification of Fatty Acids in Greases to Fatty Acid Methyl Esters with Highly Active Diphenylamine Salts

    Diphenylamine sulfate (DPAS) and diphenylamine hydrochloride (DPACl) salts were found to be highly active catalysts for esterification and substantial transesterification of inexpensive greases to fatty acid m...

    Helen L. Ngo, Heather Vanselous… in Journal of the American Oil Chemists' Soci… (2013)

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    Article

    Catalytic Synthesis of Fatty Acid Methyl Esters from Extremely Low Quality Greases

    Biodiesel (BD) is a renewable fuel for compression ignition engines that is composed of the simple alkyl esters, usually methyl-, of fatty acids (FAME). It is typically produced via base-catalyzed transesterif...

    Helen L. Ngo, Zhigang **e, Stephen Kasprzyk… in Journal of the American Oil Chemists' Soci… (2011)