GABRIEL VASILIEVICI, DANA-CRISTINA TONCU, DORIN BOMBOS, MIHAELA BOMBOS, EMIL ZAHARIA<br>Influence of Glycerol on the Liquid Fossil Fuel Characteristics

GABRIEL VASILIEVICI, DANA-CRISTINA TONCU, DORIN BOMBOS, MIHAELA BOMBOS, EMIL ZAHARIA
Influence of Glycerol on the Liquid Fossil Fuel Characteristics

Abstract:

Glycerol market had changes that occurred both in the appearance of a surplus of glycerol on the market, as well as a low-price. These changes occurred due to the emergence and the development of biodiesel production. One variant of interest applied on the capitalisation of glycerol resulting from biodiesel production lies in its use in the preparation of liquid fuel with high demand on the market, considering that this oxygenated compounds ensure a clean combustion. Obtaining emulsified fuels with high stability and improved flow characteristics is the way to introduce this type of fuel on the market. The emulsifying of fossil fuels with glycerol was made in mild conditions by stirring with a mechanical stirrer. In the experimental program were prepared mixtures of fuel emulsions varying glycerol content in the presence of a fatty acid monoglycerides emulsifier. Evaluation of prepared emulsions was targeted to determine stability and the specific characteristics of the main fuel (viscosity, calorific value, flash point, freezing point). Based on data obtained it is suggested the manufacture of fuel emulsions with either low, or high concentrations of glycerol. Keywords: glycerol, liquid fossil fuel, fuel emulsion, emulsion stability

Issue: 2011, Volume 62, Issue 3

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