Biodiesel process control

Biodiesel is a renewable fuel composed of fatty acid mono-alkyl esters, which are obtained through the base catalyzed transesterification of vegetable oils or animal fats with a short chain alcohol, such as methanol or ethanol. The quality control of Biodiesel (B100) is very important and several parameters have to be analyzed to fulfill the requirements of ASTM D6751[1] and EN-14214[2]. However, Biodiesel analysis is expensive, time-consuming, and generates residues. The implementation of a BUCHI NIR-Online® process analyzer after the drying step provides full quality control of the end product. Within milli-seconds, several parameters such as Acid value, Ester content, Methanol, Monoglyceride, Total glycerol, Water and many more are continuously, simultaneously, and accurately measured with NIR.

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