Effect Of Biodiesel And Alkyl Ether On Diesel
Engine Emissions And Performances
Author(s)
D. L. Cursaru, C. Tănăsescu & V. Mărdărescu
Abstract
Over the last years numerous attempts have been made to minimize the amount
of toxic and harmful exhaust gases from diesel powered vehicles. The rapidly
exhausted fossil sources coupled with increasing price of petroleum together
with the public awareness concerning the environmental protection, are the main
reasons that have made many scientists to search for alternative and renewable
energy sources.
According to the recent EU regulations starting with 1st of January 2010,
5.75wt% of classical diesel fuel must be replaced with more environmental
friendly fuels. The most used biofuel is biodiesel (fatty acid methyl esters),
mainly synthesized by catalytic transesterification of fatty glycerides. Roughly
10 wt% of glycerol is obtained as by-product in catalytic transesterification of
fatty glycerides and there are many researching directions in order to find new
applications for the increasing availability of glycerol as a low-cost feedstock.
In our study we have tested the energetic and ecologic performances (the
exhaust emissions as CO, CO2 and NOx) of biodiesel or alkyl ether-diesel blends
by testing the fuels on a Diesel engine 392-L4-DT/104 at different engine
speeds. The emission tests were measured by using a FTIR SESAM 1.4
equipment.
Engine tests were run on the same engine in the same day in order to have the
same atmospheric conditions (96 kPa pressure and 29oC) within the three
repetitions of each test and average of measured values were taken.
The measured CO emissions of biodiesel and alkyl ether-diesel blends were
found to be 15% and 37% lower than that of diesel fuel, respectively.
Keywords: biodiesel, alkyl ether, diesel engine, emissions.
Keywords
biodiesel, alkyl ether, diesel engine, emissions
Related Book
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