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Biodiesel consists of fatty acid monoalkyl esters and is derived from feedstocks, such as vegetable oils, used cooking oils and animal fats. Biodiesel is considered to be a promising alternative biofuel. Recently, biodiesel has received additional attention and intense research has been performed in this field all over the world due to its lower environmental impact compared to the conventional diesel...
Single stage production of biodiesel is achieved by the transesterification of used cooking oil. The presence of high free fatty acid (FFA) content showed insignificant effect on the transesterification reaction, and even the FFA was effectively converted into the methyl ester under basic medium. The reaction was done in a closed stainless steel reactor, where the solvothermal condition of methanol...
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