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Seminar on " Studies on the Stability of Biodiesel from Jatropha-Algae Oil Blend" - 29 September 2018

Date and Venue Information:
29 September 2018, Seminar Hall, 10:00 AM, Department of Mechanical Engineering

Title of Seminar:
"Studies on the Stability of Biodiesel from Jatropha-Algae Oil Blend" by Siddharth Jain

The biodiesel quality is governed by its fatty acid profile which is reported as the major factor impacting the biodiesel quality over time. The presence of unsaturation (double bonds) in fatty acids is of serious concern when the biodiesel is stored over longer period of time, as the fuel starts deteriorating with passage of time due to exposure to air and/or light, temperature, presence of metals (of containers) etc resulting in the sediments and gum formation and finally fuel darkening. This degraded fuel quality poses serious operational problems like fuel filter plugging, injector fouling, deposit formation in engine combustion chamber and other components of the fuel system, which badly affect the engine performance. To meet these challenges, the biodiesel stability is required to be improved in terms of oxidation, thermal and storage stability of biodiesel and its blends with diesel.
To cope up with the above said problem, present study focused on the conversion of high saturated fatty acid Jatropha-Algae oil blend into biodiesel and study the oxidation, thermal and storage stability of the same. At the same time it is also aimed to stabilize the biodiesel with respect to all stability parameters.
The engine performance and exhaust emissions were also analyzed using stabilized biodiesel samples and compared with unstabilized one. It is found that brake specific fuel consumption (BSFC) of engine decreases and brake thermal efficiency (BTE) increases when stabilized biodiesel is used compared to unstabilized one. When biodiesel is stored for longer period (6 months), BSFC is found to increase and BTE to decrease while CO, HC and NOx emissions are found to reduce due to decrease in Total Position Equivalent (TPE) due to advancement of oxidation reaction. But at the same time results were motivating as compare to unstabilized biodiesel while stabilized biodiesel was used in engine with respect to time.
For more details cleck here.
Brief Profile:
Dr Siddharth Jain's undergraduate training has been predominantly in the area of Mechanical Engineering. He pursued his master's and doctoral degree focusing on Biomass and Bioenergy from Indian Institute of Technology Roorkee, India. His PhD research involved various aspects of bio-diesel production from sources which are renewable, non-food crops and have lower environmental footprints. Apart from the production process he contributed in the stabilization of bio-diesel properties with respect to time. After PhD, he did his two Post-Doctoral Fellowships at National University of Singapore and University of Alberta in the area of Bio-mass and Bio-energy. Currently, he is working as a faculty in the Department of Mechanical Engineering, College of Engineering Roorkee, Roorkee, India. He is conducting research in the area of low temperature transesterification of algal oil. At present he is guiding 4 M.Tech students along with 8 PhD students in the area of biomass and bioenergy.     

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