The Effects of Using Bio-diesel as Fuel on Compression Ignition (CI) Engine and Its Production from Vegetable Oils

Abuhabaya, Abdullah, Fieldhouse, John D. and Brown, D.R. (2011) The Effects of Using Bio-diesel as Fuel on Compression Ignition (CI) Engine and Its Production from Vegetable Oils. In: Proceedings of 2011 International Conference on Environmental, Biomedical and Biotechnology (IPCBEE). International Association of Computer Science and Information Technoloyg (IACSIT), Singapore, pp. 41-46. ISBN 978-981-08-9168-8

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Abstract

This study presents an experimental investigation into the effects of using bio-diesel blends on
diesel engine performance and its emissions. The bio-diesel fuels were produced from vegetable oils using
the transesterification process with low molecular weight alcohols and sodium hydroxide then tested on a
steady state engine test rig using a Euro 4 four cylinder Compression Ignition (CI) engine. Production
optimization was achieved by changing the variables which included methanol/oil molar ratio, NaOH catalyst
concentration, reaction time, reaction temperature, and rate of mixing to maximize bio-diesel yield. The
technique used was the response surface methodology. In addition, a second-order model was developed to
predict the bio-diesel yield if the production criteria is known. The model was validated using additional
experimental testing.

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