A Local Model for Gas-Liquid Mass Transfer in a Gas-Liquid-Solid Circulating Fluidized Bed

Verfasser / Beitragende:
[Zhengliang Liu, Ying Zheng]
Ort, Verlag, Jahr:
2004
Enthalten in:
International Journal of Chemical Reactor Engineering, 2/1(2004-04-29)
Format:
Artikel (online)
ID: 378927868
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024 7 0 |a 10.2202/1542-6580.1144  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.2202/1542-6580.1144 
245 0 2 |a A Local Model for Gas-Liquid Mass Transfer in a Gas-Liquid-Solid Circulating Fluidized Bed  |h [Elektronische Daten]  |c [Zhengliang Liu, Ying Zheng] 
520 3 |a A local mass transfer model which details the local gas-liquid mass transfer phenomenon in a gas-liquid-solid circulating fluidized bed (GLSCFB) is discussed and tested in this work. It is observed that the local mass transfer model with consideration of the axial liquid dispersion can appropriately address the gas-liquid mass transfer at every radial position in the riser; however, that without consideration of the axial liquid dispersion can only deal with the mass transfer near the wall where the axial liquid dispersion is negligible. The effects of gas flow rates, liquid velocities, particle circulating rates, and particle sizes on gas-liquid mass transfer in GLSCFBs have also been examined systematically. Based on the experimental data, a correlation is obtained to predict the gas-liquid mass transfer coefficients in GLSCFBs for the first time. 
540 |a ©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston 
690 7 |a Gas-liquid mass transfer  |2 nationallicence 
690 7 |a Local mass transfer model  |2 nationallicence 
690 7 |a Gas-liquid-solid circulating fluidized beds  |2 nationallicence 
700 1 |a Liu  |D Zhengliang  |u E-mail: y2f3t@unb.ca  |4 aut 
700 1 |a Zheng  |D Ying  |u University of New Brunswick, Fredericton, yzheng@unb.ca  |4 aut 
773 0 |t International Journal of Chemical Reactor Engineering  |d De Gruyter  |g 2/1(2004-04-29)  |q 2:1  |1 2004  |2 2  |o ijcre 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Liu  |D Zhengliang  |u E-mail: y2f3t@unb.ca  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zheng  |D Ying  |u University of New Brunswick, Fredericton, yzheng@unb.ca  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t International Journal of Chemical Reactor Engineering  |d De Gruyter  |g 2/1(2004-04-29)  |q 2:1  |1 2004  |2 2  |o ijcre 
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