ALTERNATIVE FUEL – JATROPHA
ABSTRACT
Exponential growth of automotive vehicle population and fast depletion of petroleum products has necessiated research on ALTERNATIVE FUELS. At current rate of consumption, petroproducts will become extinct in less than 60 years. Among the numerous alternatives, vegetable fuels stand as viable alternative owing to the fact their physical and combustion properties are very close to those of diesel fuels. Direct usage of untreated vegetable oil leads to certain problems. Instead, Methyl or Ethyl Ester of vegetable oil obtained by transesterfication can be used. Bioediesel is renewable, biodegradable and has low sulphur content. Switching over to biodiesel not only generates self-employment, but also reduces pollution of MOTHER planet. Boiodiesel has steadily emerged from trial productions in backyard type pilot plans to full industrial type of production and marketing with wide and increasing acceptance by diesel vehicle industry. Use of untreated and esterified JATROPHA oil, one among the post of vegetable oils, in DI type diesel engines, has found to yield satisfactory results. Performance has improved with esterification and engine does not require any modification.
Our paper contains the introduction about JATROPHA and its physical and chemical properties. Due to different chemical properties, especially the high ignition point and high viscosity, plant oil show completely different combustion characteristics compound to fossil fuels.
It also contains the advantages of future scope of this fuel. And the results of the test conducted by RCAC (Rural Community Action Center, Tamilnadu) aress included here.
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