Title:
Use of Citric Acid Esters as Alternative Fuel for Diesel Engines
Author(s):
Huber, G., Remmele, E., Thuneke, K., Emberger, P.
Document(s):
Paper
Poster
Abstract:
Common fuels for (adapted) diesel engines are fossil diesel fuel, fatty acid methyl ester (FAME or biodiesel) or vegetable oils. Further potential biogenic substitutes are the citric acid esters tributylcitrate (TBC) and triethylcitrate (TEC). Their use as fuel was applied for a patent in Germany in 2010. Proposed advantages are low soot combustion, independence of energy imports due to the possibility of local production and a broad raw material base. Comparison of their properties with relevant fuel standards showed, that only some of the demands are met. However, few rapeseed oil characteristics (e. g. oxidation stability and viscosity) can be improved if the citric acid esters are used as a blend component. The operating and emission behaviour of a vegetable oil compatible CHP unit fuelled with various rapeseed oil/TBC blends were investigated and a trouble free and soot emission reduced engine operation due to the high molecularly bound oxygen content was observed. Long term test runs are necessary for an entire technical validation.
Keywords:
biofuel, fuel, diesel, citric acid ester
Topic:
Industrial Demonstration and Business Concepts
Subtopic:
Biofuels for transport
Event:
21st European Biomass Conference and Exhibition
Session:
4BV.4.13
Pages:
1656 - 1660
ISBN:
978-88-89407-53-0
Paper DOI:
10.5071/21stEUBCE2013-4BV.4.13
Price:
FREE
