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Biodiesel is an alternative fuel for diesel engines made of vegetable oils and animal fats. It can be mixed well with conventional diesel fuel. The mix ration can be from 1% to 99%. The blending rate of the FAME varies by country within the European Union according to each state’s own regulations.

Fats and vegetable oils are chemically fatty-acid esters of glycerol. Glycerol is alcohol consisting of three hydroxyl groups, namely propane-triol. In fatty-acid esters mostly one type of fatty-acid is linked to the three hydroxyl groups in the glycerol. The chain length of the acids and their saturations are the conditions that determine the characteristics of the ester (triglyceride).

Transformation of vegetable oils and fats by alcoholysis, also called reesterification or transesterification, is ideal method to achieve the ability to use vegetable oils and animal fats as fuel of internal combustion engines.

The European Committee for Standardization has approved CEN European standard that contains the quality parameters and analytical methods of fatty acid methyl ester (FAME). The standard number is EN 14214.

CEN members (Hungary is also a member) are obliged to follow the CEN/CENELEC conditions and to implement this standard without any changes as a national standard.


Quality specification FAME Rossi Biofuel

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