Since , the ASTM D standard defines two grades of biodiesel: grade 2-B identical to biodiesel defined by earlier versions of the standard and grade 1-B with tighter controls on monoglycerides and cold soak filterability.
In Europe, standard specifications have been developed for unblended FAME diesel fuel as well as for certain higher level biodiesel blends, while low level blends are covered by EN , the European diesel fuel specification:.
Both ASTM D and EN establish specifications for key fuel properties for biodiesel—the former for the biodiesel blend component, the latter for both blend stock and neat biodiesel automotive fuel. The US specification, ASTM D, defines biodiesel as mono-alkyl esters of long chain fatty acids derived from vegetable oils and animal fats.
The type of alcohol used is not specified. Thus mono-alkyl esters could be produced with any alcohol methanol, ethanol, etc. Denunciar este documento. Fazer o download agora mesmo. Salvar Salvar En Biodiesel para ler mais tarde. Pesquisar no documento. Documentos semelhantes a En Biodiesel. Rafael Barros. Gian Mendro Zabate. Bhanwar Singh Rathore. Lianne Carmeli B. Abdulhussain Jariwala. Stacy Colon. Uday Pali. Amsa Veni. Beto CM. Aayush Agarwal. Shahzad Yaqoob.
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