Abbreviations: WFG, Waste Fryer Grease; FFA, Free Fatty Acid; WME,
Waste Fryer Grease Methyl Ester; WEE, Waste Fryer Grease Ethyl Ester;
WMEE (3:3), Waste Fryer Grease Methyl Ethyl Ester prepared by reaction of
WFG with 3:3 molar ratio of methanol to ethanol.