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Title: An Environmental Effect of Nano Additive on Performance and Emission in a Biofuel Fuelled Marine Engine
Authors: Karthikeyan, S.
Prathima, A.
Sabariswaran, K
Keywords: Refined Palm Stearin wax;Transesterification;Ultrasonicator;Blending;Performance;Emissions
Issue Date: Jun-2015
Publisher: NISCAIR-CSIR, India
Abstract: The ever increasing population growth and rapid utilization of petroleum based fossil fuels have induced several crucial environmental problems, such as air pollution, ozone depletion, global warming, acid rain, forest destruction and emission of radioactive substances. In this study, the vegetable oils such as refined palm stearin (non-edible oil), has been converted into methyl ester with an aid of transesterification reaction. Chemically, transesterification means conversion of triglyceride molecule or a complex fatty acid into alcohol and ester by removing the glycerin and neutralizing the free fatty acids. The B20 blend samples [80% diesel + 20% biodiesel] were prepared for each methyl ester obtained from refined palm stearin oil and then the cerium oxide nanoparticles are added to the each B20 blend samples at a dosage of 50 ppm and 100 ppm with an aid of ultrasonicator. Moreover, in the absence of any engine modifications, the performance and emission characteristics of those blend samples have been investigated from the experimentally measured values such as density, viscosity, cloud point, pour point and calorific value while the engine performance was also analyzed through the parameters like exhaust gas temperature (EGT), brake specific fuel consumption (BSFC), brake thermal efficiency (BTH), exhaust emission of CO, HC, NOx and smoke opacity. The experimental results reveal that the use of biodiesel blend in diesel engine has exhibited better combustion, good improvement in performance characteristic and reduction in exhaust emissions.
Page(s): 896-901
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.44(06) [June 2015]

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