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MASS TRANSFER IN LIQUID-FLUIDIZED AND SPOUTED BEDS OF ION EXCHANGE RESIN AT LOW REYNOLDS NUMBER
Korean Journal of Chemical Engineering, April 1991, 8(2),
10.1007/BF02697380
10.1007/BF02697380
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Abstract
Rates of mass transfer from the liquid phase to small ion exchange resin particles (0.78mm in mean diameter)in fluidized and spouted beds were studied experimentally. Dilute aqueous solution of sodium hydroxide was fed into the beds of strong cation exchange resin and the exit concentration of the solution was determined by conductivity measurement. In spouted beds, the initial conversion and KL increased with bed height, but decreased with fluid flowrate. The model, applying material balance of the reactant and axisymmetric flow of fluid int eh annulus of a spouted bed, predictions of the initial conversion in spouted beds are satisfactory. In fluidized beds, the obtained mass transfer coefficients were correlated and compared with other works.
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Hadzismajlovic DE, Vukovic DV, Zdanski FK, Grbavcic ZB, Littman H, Chem. Eng. J., 17, 227 (1979)
Koloini M, Sopcic M, Zumer M, Chem. Eng. Sci., 32, 637 (1977)
Prakash A, Briens CL, Bergougnou MA, Can. J. Chem. Eng., 65, 228 (1987)
Kim SJ, Littman H, Can. J. Chem. Eng., 65, 723 (1987)
Mathur KB, Lim CJ, Chem. Eng. Sci., 29, 789 (1974)
Lefroy GA, Davidson JF, Trans. Inst. Chem. Eng., 47, T120 (1960)
Kim SJ, Korean J. Chem. Eng., 1(1), 35 (1984)
Day JY, Morgan MH, Littman H, Chem. Eng. Sci., 42, 1461 (1987)
Grbavcic ZB, Vukovic DV, Zdanski FK, Littman H, Can. J. Chem. Eng., 54, 33 (1976)
Piccinini N, Grace JR, Mathur KB, Chem. Eng. Sci., 34, 1257 (1979)
Richardson JF, Zaki WN, Trans. Inst. Chem. Eng., 32, 35 (1954)
Carberry JJ, AIChE J., 6, 460 (1960)
Mixon FO, Carberry JJ, Chem. Eng. Sci., 13, 30 (1960)
Harriot P, AIChE J., 8, 93 (1962)
Snowdon CB, Turner JCR, Proc. Int. Symp. of Fluidization, Einhoven Univ., Press, Amsterdam (1967)
