Colloid Filtration in Fluidized Beds
Publication: Journal of Environmental Engineering
Volume 116, Issue 2
Abstract
Particle transport and capture are essential for the successful treatment by fluidized‐bed biofilm processes of wastewaters containing suspended organic matter. Small‐scale, once‐through, fluidized‐bed filters were utilized to analyze the transport mechanisms and effects of collector surface chemistry on the removal of ferric‐hydroxide floes by fluidized granular activated carbon collectors. Experimental results demonstrated that the mechanisms of diffusion, gravity sedimentation, and interception acted according to theory to provide particle transport to the surface; that gravity sedimentation was the dominant mechanism under the conditions studied and was not affected by the upward water velocity; that the inertial mechanism was unimportant; that not having strictly laminar conditions did not invalidate use of the mechanistic model; that conditioning of the carbon surface greatly affected the cohesion efficiency; and that expansion of the bed by greater superficial flow velocities caused suspended‐particle removal efficiencies to decline.
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References
1.
Ang, T. S., and Tang, W. (1975). Probability concepts in engineering planning and design. John Wiley and Sons, Inc., New York, N.Y.
2.
Cleasby, J. L. (1972). “Filtration.” Physciochemical processes for water quality control, W. J. Weber, ed. John Wiley and Sons, Inc., New York, N.Y., 139–152.
3.
Happel, J. (1958). “Viscous flow in multiparticle systems: slow motion of fluids relative to beds of spherical particles.” Am. Inst. Chem. Engrs. J., 4(2), 197–201.
4.
Ison, C. R., and Ives, K. L. (1969). “Removal mechanisms in deep bed filtration.” Chem. Engrg. Sci., 24, 717–729.
5.
Ives, K. J. (1975). “Capture mechanisms in filtration.” The scientific basis of filtration, K. J. Ives, ed. Series E, Vol. 2, NATO Advanced Study Institute, Noordhoff International Publishing Co., The Netherlands, 183–202.
6.
James, R. O., and Healy, T. W. (1972). “Adsorption of hydrolyzable metal ions at the oxide‐water interface. III. A thermodynamic model of adsorption.” J. Colloid. Interface Sci., 40(1), 67–77.
7.
Jewell, W. J., Switzenbaum, M. S., and Morris, M. S. (1981). “Municipal waste‐water treatment with the anaerobic attached microbial film expanded bed process.” J. Water Pollut. Control Fed., 53(4), 482–490.
8.
Khan, K. A., Suidan, M. T., and Cross, W. H. (1982). “Role of surface active media in anaerobic filters.” J. Environ. Engrg., ASCE, 108(2), 269–285.
9.
Levine, A. D., Tchobanaglous, G., and Asano, T. (1985). “Characterization of the size distribution of contaminants in wastewater: Treatment and reuse implications.” J. Water Pollut. Control Fed., 57(7), 805–816.
10.
Morris, J. W., and Jewell, W. J. (1981). “Organic particulate removal with the anaerobic attached‐film expanded bed process.” Proc., 36th Annual Purdue Industrial Waste Conference, Purdue Univ., Lafayette, Ind., 621–630.
11.
O'Melia, C. R. (1972). “Coagulation and flocculation.” Physicochemical processes for water quality control, W. J. Weber, ed. John Wiley and Sons, Inc., New York, N.Y., 61–110.
12.
O'Melia, C. R. (1985). “Particles, pretreatment, and performance in water filtration.” J. Environ. Engrg., ASCE, 111(6), 874–890.
13.
O'Melia, C. R., and Crapps, D. K. (1964). “Some chemical aspects of rigid sand filtration.” J. Am. Water Works Assoc., 56(11), 1326–1344.
14.
O'Melia, C. R., and Stumm, W. (1967). “Theory of water filtration.” J. Am. Water Works Assoc., 59(11), 1393–1412.
15.
Rajagopalan, R., and Tien, C. (1976). “Trajectory analysis of deep bed filtration with the sphere‐in‐cell porous media model.” Am. Inst. Chem. Engrs. J., 22(3), 523–533.
16.
Richardson, J. F., and Zaki, W. N. (1954). “Sedimentation and fluidization.” Part I Trans. Inst. Chem. Engrs. 32, 35.
17.
Spielman, L. A. (1975). “Flow through porous media and fluid‐particle hydrodynamics.” The scientific basis of filtration, K. J. Ives, ed., Series E, Vol. 2, NATO Advanced Study Institute, Noordhoff International Publishing Co., The Netherlands, 129–150.
18.
Sprouse, G., and Rittmann, B. E. (1990). “Colloid removal in a fluidized‐bed bio‐film reactor.” J. Environ. Engrg., ASCE, 116(2), 314–329.
19.
Stumm, W., and Morgan, J. J. (1981). Aquatic chemistry, 2nd Ed., Wiley‐Inter‐science, New York, N.Y., 625–639.
20.
Wang, Y. T., Suidan, M. T., and Rittmann, B. E. (1985). “Performance of expanded‐bed methanogenic reactor.” J. Environ. Engrg., ASCE, 111(4), 460–470.
21.
Wastewater engineering: Treatment, disposal, reuse. (1979). 2nd Ed., Metcalf and Eddy, Inc., McGraw‐Hill Book Co., New York, N.Y.
22.
Yao, K. M., Habibian, M. T., and O'Melia, C. R. (1971). “Water and wastewater filtration: Concepts and applications.” Environ. Sci. Tech., 5, 1105–1112.
23.
Yoda, M., Hattori, M., and Miyaji, Y. (1985). “Treatment of municipal wastewater by anaerobic fluidized bed: Behavior of organic suspended solids in anaerobic reactor.” Proc., Seminar/Workshop on Anaerobic Treatment of Sewage, M. S. Switzenbaum, ed. Univ. of Massachusetts, Amherst, Mass., 161–196.
Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 116 • Issue 2 • March 1990
Pages: 299 - 313
Copyright
Copyright © 1990 ASCE.
History
Published online: Mar 1, 1990
Published in print: Mar 1990
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