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PARTICLE VELOCITY AND CIRCULATION RATE IN LIQUID SPOUTED BEDS
Korean Journal of Chemical Engineering, July 1991, 8(3), 131-136(6), 10.1007/BF02706673
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Abstract
In this work, the particle velocity and circulation rate in water spouted beds of small glass particles are experimentally studied. The pathline, velocity and residence time of particles 0.53 to 1.40mm in diameters were measured in the annulus of half-cylindrical columns 40, 60 and 90mm in diameters. The particle velocity in the annulus and circulation rate increase practically linearly with fluid flowrate. As the column diameter was increased, the average particle velocity in the annulus was decreased, but the particle circulation rate was increased.
References
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Thorley B, Saunby JB, Mathur KB, Osberg GL, Can. J. Chem. Eng., 37, 184 (1959)
Lefroy GA, Davidson JF, Trans. Instn. Chem. Eng., 47, 120 (1969)
Morgan MH, Day JY, Littman H, Chem. Eng. Sci., 40, 1367 (1985)
Day JY, Morgan MH, Littman H, Chem. Eng. Sci., 42, 1461 (1987)
Kim SJ, Littman H, Can. J. Chem. Eng., 65, 723 (1987)
Kim SJ, Ha JH, J. Chem. Eng. Jpn., 19, 319 (1986)
vanVelzen D, Flarn HJ, Langenkamp H, Casile A, Can. J. Chem. Eng. Int. Symp. Spouted Beds, 52 (1974)
Benkrid A, Caram HS, AIChE J., 35, 1328 (1989)
