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Biodiesel from Jatropha Curcas oil: A Comparative Study between Chemical and Bio catalytic Transesterification

Author Affiliations

  • 1Department of Chemistry, Narula Institute of Technology, Agarpara, Kolkata-700109, West Bengal, INDIA

Res. J. Recent Sci., Volume 4, Issue (ISC-2014), Pages 44-50, (2015)


Alternative energy sources are supposed to be the most challenging job of today’s world. Among the alternative energy sources, biodiesel attracts considerable attention as it is renewable, non toxic, biodegradable and environmental friendly. Biodiesel is produced from different vegetable oils by transesterification method with alcohol in the presence of catalyst but Jatropha Curcas oil is supposed to be the most promising due to its higher oil content, non edible nature and possible cultivation of Jatropha Curcas plant in any land including barren land even in adverse environment. In the present investigation, a comparative study has been made between chemical (base) catalytic and enzymatic method using non-specific immobilized enzyme Novozyme 435 (Candida antarctica) for the preparation of biodiesel from Jatropha Curcas oil. Studies show that enzymatic method is more effective than base catalytic method with regard to productivity, eco-friendliness, selective nature, purity of the product, minimum purification stage, low temperature requirement and reuse of catalyst. Moreover, recycling of enzyme is done in our experiment which reduces the cost of the transesterification process for the production of alternative energy sources. Our process may be implemented in industrial scale with an alternative solution of scarcity of energy resources in the near future.


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