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Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash

This study was focused on investigating the optimum fluidising velocity during the combustion of rice husk in a bench-scale fluidised bed combustor (ID 210 mm) to obtain low carbon ash in the amorphous form. When all other parameters are held constant, the optimum fluidizing velocity aids in almost...

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Main Authors:	Taib, Mohd. Rozainee, Ngo, S. P., Salema, Arshad Adam, Tan, K. G., Abu Hassan, Mohd. Ariffin, Noor, Zainura Zainon
Format:	Article
Published:	Elsevier BV 2008
Subjects:	QD Chemistry S Agriculture (General)
Online Access:	http://eprints.utm.my/id/eprint/12551/ http://dx.doi.org/10.1016/j.biortech.2007.01.049
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id	my.utm.12551
record_format	eprints
spelling	my.utm.125512017-10-25T04:14:00Z http://eprints.utm.my/id/eprint/12551/ Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash Taib, Mohd. Rozainee Ngo, S. P. Salema, Arshad Adam Tan, K. G. Abu Hassan, Mohd. Ariffin Noor, Zainura Zainon QD Chemistry S Agriculture (General) This study was focused on investigating the optimum fluidising velocity during the combustion of rice husk in a bench-scale fluidised bed combustor (ID 210 mm) to obtain low carbon ash in the amorphous form. When all other parameters are held constant, the optimum fluidizing velocity aids in almost complete combustion, thereby releasing the entrapped carbon for further conversion. This results in ash with consistently low carbon content (less than 2 wt%). The range of fluidising velocities investigated was from as low as 1.5 Umf to as high as 8 Umf. It was found that the optimum fluidising velocity was approximately 3.3 Umf as the mixing of rice husk with the bed was good with a high degree of penetration into the sand bed. The resulting ash retained its amorphous form with low residual carbon content (at 2.88 wt%) and minimal sand contamination as shown by the X-ray diffraction analysis. Elsevier BV 2008-03 Article PeerReviewed Taib, Mohd. Rozainee and Ngo, S. P. and Salema, Arshad Adam and Tan, K. G. and Abu Hassan, Mohd. Ariffin and Noor, Zainura Zainon (2008) Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash. Bioresource Technology , 99 (4). pp. 703-713. ISSN 0960-8524 http://dx.doi.org/10.1016/j.biortech.2007.01.049 DOI:10.1016/j.biortech.2007.01.049
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	QD Chemistry S Agriculture (General)
spellingShingle	QD Chemistry S Agriculture (General) Taib, Mohd. Rozainee Ngo, S. P. Salema, Arshad Adam Tan, K. G. Abu Hassan, Mohd. Ariffin Noor, Zainura Zainon Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
description	This study was focused on investigating the optimum fluidising velocity during the combustion of rice husk in a bench-scale fluidised bed combustor (ID 210 mm) to obtain low carbon ash in the amorphous form. When all other parameters are held constant, the optimum fluidizing velocity aids in almost complete combustion, thereby releasing the entrapped carbon for further conversion. This results in ash with consistently low carbon content (less than 2 wt%). The range of fluidising velocities investigated was from as low as 1.5 Umf to as high as 8 Umf. It was found that the optimum fluidising velocity was approximately 3.3 Umf as the mixing of rice husk with the bed was good with a high degree of penetration into the sand bed. The resulting ash retained its amorphous form with low residual carbon content (at 2.88 wt%) and minimal sand contamination as shown by the X-ray diffraction analysis.
format	Article
author	Taib, Mohd. Rozainee Ngo, S. P. Salema, Arshad Adam Tan, K. G. Abu Hassan, Mohd. Ariffin Noor, Zainura Zainon
author_facet	Taib, Mohd. Rozainee Ngo, S. P. Salema, Arshad Adam Tan, K. G. Abu Hassan, Mohd. Ariffin Noor, Zainura Zainon
author_sort	Taib, Mohd. Rozainee
title	Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
title_short	Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
title_full	Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
title_fullStr	Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
title_full_unstemmed	Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
title_sort	effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash
publisher	Elsevier BV
publishDate	2008
url	http://eprints.utm.my/id/eprint/12551/ http://dx.doi.org/10.1016/j.biortech.2007.01.049
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score	13.211869

Effect of fluidising velocity on the combustion of rice husk in a bench-scale fluidised bed combustor for the production of amorphous rice husk ash

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