Improved oxidative stability of biodiesel fuels : antioxidant research and development.
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2011-01-01
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Edition:Research; Nov. 2006¿Jan. 2011
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Abstract:Biodiesel is a domestic, renewable fuel that is gaining wide acceptance, especially in Europe.
When blended with conventional petroleum diesel, biodiesel reduces hydrocarbon, particulate
and carbon monoxide emissions, while having minimal to no effect on NOx. It also improves
lubricity, lowers sulfur, and has a high cetane number. The promise of biodiesel is tremendous,
but some significant obstacles remain to its complete acceptance by diesel engine
manufacturers, most significantly with respect to oxidative stability. This proposed project will
investigate the factors associated with biodiesel oxidative stability, including natural and
synthetic antioxidants, storage and processing conditions. Results of this project will provide
much needed guidelines to industry with regards to storage conditions and antioxidant additive
levels. Additionally, biodiesel production changes will be recommended which will optimize
the preservation of natural antioxidant levels in the fuel. Finally, factors required for the
development of a user-level sensor for biodiesel oxidative stability will be quantified.
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