Articles & Issues
- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
-
Received April 22, 2002
Accepted September 2, 2002
-
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright © KIChE. All rights reserved.
All issues
Particle Size Effect on the Filtration Drag of Fly Ash from a Coal Power Plant
Department of Chemical Engineering and ERI, Gyeongsang National University, Jinju 660-701, Korea 1Particle Technology Research Center, Korea Institute of Energy Research, Daejeon 305-343, Korea
jhchoi@nongae.gsnu.ac.kr
Korean Journal of Chemical Engineering, November 2002, 19(6), 1085-1090(6), 10.1007/BF02707237
Download PDF
Abstract
In order to investigate the filtration properties of fly ash from a conventional coal power plant, the filtration drag across the dust cake over an absolute fiber- glass filter element was measured. A fluidized bed column was utilized to obtain a well characterized particle stream. The cake resistance coefficient was analyzed by the equation proposed by Endo et al. [1998] in order to observe the effect of particle size and polydispersity. The filtration drag was measured for three kinds of particle stream having the geometric mean particle size of 3.15, 6.07, and 7.83 μm and the geometric standard deviation less than 1.44 in the practical operation conditions for the field applications of face velocity of 0.03-0.06 m/s and area dust load up to 0.2 kg/m(2). A dust cake of smaller particle size showed larger pressure drop even though the porosity was higher and presented high compressibility according to the face velocity. The particle polydispersity was also a dominant factor affecting the compressibility of the dust cake.
References
Aguiar ML, Coury JR, Ind. Eng. Chem. Res., 35(10), 3673 (1996)
Cheung YH, Tsai CJ, Aerosol Sci. Technol., 29, 315 (1998)
Choi JH, Ha SJ, Park YO, Korean J. Chem. Eng., 19(4), 711 (2002)
Choi HK, Park SJ, Lim JH, Kim SD, Park HS, Park YO, Korean J. Chem. Eng., 19(2), 342 (2002)
Dennis R, Dirgo JA, Filtr. Sep., 18, 394 (1981)
Endo Y, Chen DR, Pui DYH, Powder Technol., 98(3), 241 (1998)
Gupta A, Novick VJ, Bisawas P, Monson PR, Aerosol Sci. Technol., 19, 94 (1993)
Hinds WC, "Aerosol Technology 2nd ed.," Powells Books (1999)
Hoflinger W, Stocklmayer C, Hackl A, Filtr. Sep., 31(8), 807 (1994)
Neiva ACB, Goldstein L, Calvo P, High Temperature Gas Cleaning, 2, 83 (1999)
Perry RH, Green DW, "Perry's Chemical Engineers H/B," 6th ed., McGraw-Hill, 20 (1973)
Schmidt E, Filtr. Sep., 32(8), 789 (1995)
Schmidt E, Filtr. Sep., 34(4), 365 (1997)
Schulz K, Durst M, Filtr. Sep., 31(1), 25 (1994)
Silva CRN, Negrini VS, Aguiar ML, Coury JR, Powder Technol., 101(2), 165 (1999)
Cheung YH, Tsai CJ, Aerosol Sci. Technol., 29, 315 (1998)
Choi JH, Ha SJ, Park YO, Korean J. Chem. Eng., 19(4), 711 (2002)
Choi HK, Park SJ, Lim JH, Kim SD, Park HS, Park YO, Korean J. Chem. Eng., 19(2), 342 (2002)
Dennis R, Dirgo JA, Filtr. Sep., 18, 394 (1981)
Endo Y, Chen DR, Pui DYH, Powder Technol., 98(3), 241 (1998)
Gupta A, Novick VJ, Bisawas P, Monson PR, Aerosol Sci. Technol., 19, 94 (1993)
Hinds WC, "Aerosol Technology 2nd ed.," Powells Books (1999)
Hoflinger W, Stocklmayer C, Hackl A, Filtr. Sep., 31(8), 807 (1994)
Neiva ACB, Goldstein L, Calvo P, High Temperature Gas Cleaning, 2, 83 (1999)
Perry RH, Green DW, "Perry's Chemical Engineers H/B," 6th ed., McGraw-Hill, 20 (1973)
Schmidt E, Filtr. Sep., 32(8), 789 (1995)
Schmidt E, Filtr. Sep., 34(4), 365 (1997)
Schulz K, Durst M, Filtr. Sep., 31(1), 25 (1994)
Silva CRN, Negrini VS, Aguiar ML, Coury JR, Powder Technol., 101(2), 165 (1999)
