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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/31346

Title: Experimental Investigation of the Effects of Fuel Properties on Combustion Performance and Emissions of Biomass Fast Pyrolysis Liquid-ethanol Blends in a Swirl Burner
Authors: Moloodi, Sina
Advisor: Thomson, Murray J.
Department: Mechanical and Industrial Engineering
Keywords: combustion
biomass
pyrolysis
fuel
bio-oil
thermogravimetric analysis
emissions
ethanol
burner
particulate matter
biofuel
Issue Date: 14-Dec-2011
Abstract: Biomass fast pyrolysis liquid, also known as bio-oil, is a promising renewable fuel for heat and power generation; however, implementing crude bio-oil in some current combustion systems can degrade combustion performance and emissions. In this study, optimizing fuel properties to improve combustion is considered. Various bio-oils with different fuel properties are tested in a pilot stabilized spray burner under very close flow conditions. Effects of solids, ash and water content of bio-oil as well as ethanol blending were examined. The results show the amount of solids and ash fractions of the fuel were correlated with combustion efficiency. The CO and unburned hydrocarbon emissions decreased with both water and ethanol content. Increasing the fuel’s volatile content by blending in ethanol has been shown to improve flame stability. Also, the organic fraction of particulate matter emissions was found to be a strong function of the thermogravimetric analysis residue of the fuel.
URI: http://hdl.handle.net/1807/31346
Appears in Collections:Master

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