Combustion of Biomass in fluidized-bed Furnace

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Suvit Tia
King Mongkut’s University of Technology Thonburi
Pathavud Prukamornpan
King Mongkut’s University of Technology Thonburi
Pornteap Jitvootthikai
King Mongkut’s University of Technology Thonburi
Sang Sae Lao
King Mongkut’s University of Technology Thonburi
Tanong Chayawattana
King Mongkut’s University of Technology Thonburi

Abstract

The combustion of biomass (cassava stalk, peanut shell and rice straw) in fluidized-bed furnace was studied in order to examine the effects of air / fuel ratio on the combustion efficiency.The experiment was performed by changing air/fuel ratio at constant fuel feeding rate of 15 kg/hr.Results showed that the combustion efficiency of cassava stalk, peanut shell and rice straw are 99.71%, 99.07% and 97.92% at A/F ratio of 7.25, 6.0 and 7.15, respectively. The over bed temperature is higher than the in-bed, due to high volatile content of biomass fuel. In addition, the emission of CO was in the range of 290-340 ppm while NOX was in the range of 120-200 ppm.

Article Details

Issue
Vol. 22 No. 2 (1999): May - August
Section
Original Articles
Author Biographies

Suvit Tia, King Mongkut’s University of Technology Thonburi

Associate Professor, Department of Chemical Engineering

Pathavud Prukamornpan, King Mongkut’s University of Technology Thonburi

Graduate Student, Department of Chemical Engineering

Pornteap Jitvootthikai, King Mongkut’s University of Technology Thonburi

Graduate Student, Department of Chemical Engineering

Sang Sae Lao, King Mongkut’s University of Technology Thonburi

Graduate Student, Department of Chemical Engineering

Tanong Chayawattana, King Mongkut’s University of Technology Thonburi

Engineer, Pilot Plant Development and Training Institute