Transport Phenomena in Pilot Curing Process of Coal and Bio-Coal Briquette - Volume 3 Number 1 (Feb. 2012) - IJCEA
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    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2012 Vol.3(1): 53-57 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2012.V3.159

Transport Phenomena in Pilot Curing Process of Coal and Bio-Coal Briquette

Vorrasit Tralelape, Monpilai H. Narasingha, and Karn Pana-Suppamassadu

Abstract—To develop the curing unit for coal and bio-coal briquette with a proper design, the raw-materials and product characteristics and optimum curing conditions, including transport phenomena within the unit should be taken into consideration. In this study, the effects of briquette shape, and type and composition of biomass presented in the bio-coal briquette should have on transport phenomena involved in a pilot scale curing unit were investigated via a computational approach i.e., Finite Element Scheme. From the simulation results, it is clear that the shape of briquette plays a vital role in moisture removal during the curing process. The heat transfer is found to rely strongly on conditions at the briquette surface, while the mass transfer depends on the physical properties inside the briquette, which in turn depending on shape. When compare the bio-coal briquette with the coal one, the heat and mass transfers as occurred in the bio-coal briquette have remarkably similar characteristics to those of the coal briquette but the rates. This difference in rates of heat and mass transfers of these briquettes is due to their differences in apparent physical and transport properties.

Index Terms—Bio-coal briquette, curing, effect of biomass

The authors are with the Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok,Bangsu, and Bangkok 10800, Thailand.

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Cite: Vorrasit Tralelape, Monpilai H. Narasingha, and Karn Pana-Suppamassadu, "Transport Phenomena in Pilot Curing Process of Coal and Bio-Coal Briquette," International Journal of Chemical Engineering and Applications vol. 3, no. 1, pp. 53-57, 2012.

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