Abstract
Diminishing fossil fuel resources, unstable/increasing prices of oil, environmental issues, global warming/climatic shifts, and allied problems have led the world to focus on alternate, environmental friendly, and renewable energy sources. Among many experimental candidates, production of biodiesel from Jatropha curcas L. has gained significant importance. More than 40 countries in the world are evaluating the potential of using this pure plant oil for manufacturing diesel. USEPA’s action sets the 2013 volume at 1.28 billion gallons under the Energy Independence and Security Act of 2007. With this premise, it is imperative to identify innovative technologies to handle Jatropha biomass and its efficient oil extraction for economical biofuel production. This study is aimed to make efficient screw expeller to cater massive Jatropha biomass for its oil extraction. A computational flow dynamics (CFD) simulation is performed to estimate the pressure developed inside the barrel through screw pressing when the fe...
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