alexa Full chain energy analysis of biodiesel from Jatropha curcas L. in Thailand.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Prueksakorn K, Gheewala SH

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Abstract Biodiesel production from Jatropha curcas Linnaeus (JCL) has been considered for partial substitution of diesel fuel for transportation in Thailand. The aim of this study is to investigate the energy consumption for long-term investment (20 years) of Jatropha Methyl Ester (JME) production in Thailand using a life cycle approach. Apart from the average result, two scenarios--best and worst case--are set up to illustrate the range of results due to the variety of management practices. The main contributors to the energy use are JCL cultivation, transesterification, and transportation process. The net energy gain (NEG) and net energy ratio (NER) of biodiesel and coproducts from the life cycle of JCL are 4720 GJ/ha and 6.03, respectively. Even if only biodiesel is considered without coproducts, the NER is 1.42, still higher than 1. The study will support decision makers in the energy policy sector to make informed decisions vis-a-vis promotion of JCL plantations for biodiesel.
This article was published in Environ Sci Technol and referenced in Journal of Bioremediation & Biodegradation

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