PREDICTION OF MASS TRANSFER COEFFICIENT IN BUBBLE COLUMN USING ARTIFICIAL NEURAL NETWORK
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Abstract
The volumetric mass transfer coefficient kL.a was calculated using two gases (air and CO2) in water and NaOH solution. The experiments were carried out using 0.1 m column diameter. Empirical and Artificial Neural Network (ANN) correlation were developed to predicted mass transfer coefficient in form of dimensionless groups (Sh, Re,Bo and We). The use of Back Propagation Neural Network (BPNN) gave better results than other correlations found in literature and than the empirical one found in this study.
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References
Akita, K., and Yoshida, F., (1973) “Gas Holdup and Volumetric Mass Transfer Coefficient in Bubble Columns”, Ind. Eng. Chem. Process Design and Develop, 12, 76-80, cited from (Behkish, 2004).
• Bahavaraju SM, Mashelkar RA, Blanch HW, (1978) “Bubble motion and mass transfer in non-Newtonian fluids.” AIChE J.; 24; 1063-1076, cited from Behkish A., (2004).
• Bao H. T. , (2005) “Knowledge Discovery and data mining Techniques and Practice ” Department of Pattern Recognition and Knowledge Engineering, Japan Advanced Institute of Science and Technology, available online from: http://www.netnam.vn/unescocourse/knowlegde/knowlegd.htm
• Behkish A., (2004), “Hydrodynamic and mass transfer parameters in large-scale slurry bubble column reactor “, PhD thesis, University of Pittsburgh. • Botton R., Cosserat O. and Charpentier J. C. (1980) “Mass transfer in bubble columns operating at high gas throughputs” Chem. Eng. J., 20, 87-94.
• Bouaifi M., Hebrard G., Bastoul D. and Roustan M. (2001) “A comparative study of gas hold-up, bubble size, interfacial area and mass transfer coefficients in stirred gas–liquid reactors and bubble columns” Chem. Eng. & Procc, 40, 97-111.
• Kantarci N., Borak F. and Ulgen K. O., (2005) “Bubble column reactor “, Process Biochem., 40, 2263-2283.
• Krishna R. and van Baten J. M. (2003) “Mass transfer in bubble columns“ Catal. Today, 79-80, 67-75.
• Lakota A., Jazbec M. and Levec J.(2002) “Impact of structured packing on bubble column mass transfer charasteristics. part 2. Analysis of gas-liquid mass transfer measurements” Acta. Chim. Slov., 49, 587-604.
Akita, K., and Yoshida, F., (1973) “Gas Holdup and Volumetric Mass Transfer Coefficient in Bubble Columns”, Ind. Eng. Chem. Process Design and Develop, 12, 76-80, cited from (Behkish, 2004).
• Bahavaraju SM, Mashelkar RA, Blanch HW, (1978) “Bubble motion and mass transfer in non-Newtonian fluids.” AIChE J.; 24; 1063-1076, cited from Behkish A., (2004).
• Bao H. T. , (2005) “Knowledge Discovery and data mining Techniques and Practice ” Department of Pattern Recognition and Knowledge Engineering, Japan Advanced Institute of Science and Technology, available online from: http://www.netnam.vn/unescocourse/knowlegde/knowlegd.htm
• Behkish A., (2004), “Hydrodynamic and mass transfer parameters in large-scale slurry bubble column reactor “, PhD thesis, University of Pittsburgh.
• Botton R., Cosserat O. and Charpentier J. C. (1980) “Mass transfer in bubble columns operating at high gas throughputs” Chem. Eng. J., 20, 87-94.
• Bouaifi M., Hebrard G., Bastoul D. and Roustan M. (2001) “A comparative study of gas hold-up, bubble size, interfacial area and mass transfer coefficients in stirred gas–liquid reactors and bubble columns” Chem. Eng. & Procc, 40, 97-111.
• Kantarci N., Borak F. and Ulgen K. O., (2005) “Bubble column reactor “, Process
Biochem., 40, 2263-2283. • Krishna R. and van Baten J. M. (2003) “Mass transfer in bubble columns“ Catal. Today, 79-80, 67-75.
• Lakota A., Jazbec M. and Levec J.(2002) “Impact of structured packing on bubble column mass transfer charasteristics. part 2. Analysis of gas-liquid mass transfer measurements” Acta. Chim. Slov., 49, 587-604.