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Type: Journal article
Title: Co-firing coal with rice husk and bamboo and the impact on particulate matters and associated polycyclic aromatic hydrocarbon emissions
Author: Chao, C.
Kwong, C.
Wang, J.
Cheung, C.
Kendall, G.
Citation: Bioresource Technology, 2008; 99(1):83-93
Publisher: Elsevier Sci Ltd
Issue Date: 2008
ISSN: 0960-8524
Statement of
Christopher Y.H. Chao, Philip C.W. Kwong, J.H. Wang, C.W. Cheung, Gail Kendall
Abstract: The potential of co-firing rice husk and bamboo with coal was studied in a bench-scale pulverized fuel combustion reactor. Experimental parameters including biomass blending ratio in the fuel mixture, biomass grinding size, excess air ratio and relative moisture content in the biomass were investigated. Particulate Matters in the forms of PM(10), PM(2.1), ultra fine particles as well as the associated Polycyclic Aromatic Hydrocarbons (PAHs) emissions were evaluated. An operation range between 10% and 30% of biomass to coal ratio was found to be the optimum range in terms of minimum pollutant emissions per unit energy output. Co-combustion of coal with biomass seemed to have the effect of moving the fly-ash in PM(2.1) to a larger size range, but increasing the number counts of the ultra fine particles. It was noted that the much higher volatile matter content in the biomass fuels has played a key role in improving the combustion performance in the system. However, slagging, fouling and formation of clinker could be the issues requiring attention when using biomass co-combustion in conventional boilers.
Keywords: Co-combustion; Particles; PAH; Rice husk; Bamboo
Rights: © 2006 Elsevier Ltd. All rights reserved.
RMID: 0020111365
DOI: 10.1016/j.biortech.2006.11.051
Appears in Collections:Chemical Engineering publications

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