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Jatropha Biodiesel Blends: A Noble Solution for Global Fuel Crisis

Chan, Wenzhen (2012) Jatropha Biodiesel Blends: A Noble Solution for Global Fuel Crisis. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Biodiesel has been increasingly promoted as an alternative renewable fuel due to fossil fuel depletion and environmental degradation. In USA, Europe and Asia, biodiesel is derived from animal fats and vegetable oil to significantly reduce air pollution and dependence on fossil fuel, where resources are limited and localized to specific regions. Edible oil such as Soybean, sunflower and rapeseed are used as feedstock for the production of biodiesel in USA and Europe. Palm oil is used mainly in the Asia region. This calls for the exploration of non-edible seed oil as to reduce the dependency on edible oil as biodiesel raw materials, as an effective global solution without affecting the global food economy, depletion of food supply, feedstock cost and limited land availability for plantation of oil crop. In the present study, blends of Jatropha, Soybean and Palm biodiesel have been explored to determine a noble design with respect to optimum oxidation stability and low temperature properties (cloud point, pour point and cold filter plugging point). A two-step process consisting of preesterification and esterification were developed to produce biodiesel from crude Jatropha curcas L. and Soybean respectively. The process was carried out at optimized set of conditions: methanoVoil molar ratio (6:1), sodium methoxide catalyst concentration (1.00%), temperature (60°C) and mixing intensity (1200 rpm). The physicochemical properties showed that the methyl esters contained low moisture level (<500ppm) and acid value (<0.5 mg-KOH/ mg-oil) respectively. Characterization of the fatty acid methyl esters (FAMEs) was accomplished by gas-chromatography. The biodiesel produced were found to comply to the standards specifications of ASTM D 6751, EN 14214 and MS123:2008. The noble design of Jatropha and Soybean biodiesel blend has achieved better cold filter plugging point than PETRONAS B5 Dynamic Diesel. The noble design of Jatropha and Palm biodiesel blend is able to meet the industrial expectation of cold filter plugging point, delivering a natural additive effect on neat Palm biodiesel.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Biofuel
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 25 Oct 2013 09:49
Last Modified: 25 Jan 2017 09:39
URI: http://utpedia.utp.edu.my/id/eprint/9865

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