A case study on Bio fuel Stove Technology: Jatropha as a bio fuel BY: Ashok Yadav M.Sc. Env. Science Golden Gate Int’l College Kathmandu, Nepal http://www.goldengate.edu.np/ 12/11/2012 1
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A case study on Bio fuel Stove Technology:
Jatropha as a bio fuel
BY:
Ashok YadavM.Sc. Env. Science
Golden Gate Int’l College
Kathmandu, Nepal http://www.goldengate.edu.np/12/11/2012 1
INTRODUCTION/BACKGROUND
• Jatropha curcas
• Plant oil is a promising alternative source
• In Nepal, the most well-known liquid cooking fuel is kerosene
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PHYSICAL PROPERTIES
Jatropha
• Viscosity:
High
• Ignition Temperature:
340°C
Kerosene
Low
50-55°C
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OBJECTIVES
To determine the compatibility of pure jatropha oil for burning as a bio-fuel
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METHODOLOGY
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TECHNOLOGY
Two Types Of Stove Burner
• VAPOUR JET BURNER
• WICK BURNER
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DESIGNS OF STOVES USINGJATROPHA
• Seeds, Kernels
• Jatropha oil in pressure stove
• Jatropha oil in wick stove
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MODIFICATIONS
• Round wick of 6.3 to 6.5 mm placed in a loosely fitting tube (tube diameter = wick +1mm)
• Length of wick holder cut to make 4.5 cm (from oil reservoir to fire zone)
• Soaking the wick
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SPECIFICATIONS OF MODIFIED JATROPHA WICK STOVE
• Fuel tank: 1.5 L
• With exposed multi wick burner mechanism
• 10 cotton woven wicks each of diameter 5 mm
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RESULT
• The fuel tend to transport very finely up to <5 cm, once it cross 5 cm it got slow and at 7 cm there was almost no fuel
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CONCLUSION
Pure jatropha can be used as fuel in stove technology with out blending any percentage
of kerosene.
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References
• Balázs Opper, Péter Németh, Péter Engelmann, “Calcium is required for coelomocyte activation in earthworms, Molecular Immunology”, Volume 47, Issues 11–12, July 2010, Pages 2047-2056, ISSN 0161-5890, 10.1016/j.molimm.2010.04.008.
• Veigas, 2007, Modifications of Existing technology
• Journal of the Institute of Engineering, Vol. 7, No. 1, pp. 1-5
• LIDE and FREDRIKSE, 1995, Kollar et al., 1993
• Curcas oil (Jatropha curcas L.): A possible fuel", G. Martin and A. Mayeux; Agritrop, vol. 9 no. 2,1985
• Stumpf, E. & Mühlbauer, W. "Plant Oil Cooking Stove for Developing Countries“
• Institute for Agricultural Engineering in the Tropics and Subtropics "Plant oil as cooking fuel: development of a household cooking stove for tropical and subtropical countries
• Pramanik, 2003; Bozbas, 2005
• Demirbas, 2003
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THANK YOU !
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