Issue
Korean Journal of Chemical Engineering,
Vol.21, No.3, 726-732, 2004
Experimental Investigation into Compression Properties of Integrated Coal Gasification Combined Cycle Fly Ashes on a Ceramic Filter
The compression properties of IGCC (integrated coal gasification combined cycle) fly ash cake on a ceramic filter were carefully investigated under well-controlled conditions. Overall cake porosity and pressure drop of dust cake of three different particles of geometric mean diameters of 3.7, 6.2, and 12.1 μm, and dynamic shape factors of 1.37, 1.57 and 1.65, respectively, were investigated, at face velocities of 0.02-0.06 m/s. Overall cake porosity was strongly dependent on face velocity, mass load, and particle size. The expressions for overall cake porosity, considering the compression effect, and pressure drop across the dust cake were developed with good agreement with experimental results.
[References]
  1. Aguiar ML, Coury JR, Ind. Eng. Chem. Res., 35(10), 3673, 1996
  2. Cheung YH, Tsai CJ, Aerosol Sci. Technol., 29, 315, 1998
  3. Choi JH, Ha SJ, Park YO, Korean J. Chem. Eng., 19(4), 711, 2002
  4. Choi JH, Ha SJ, Bak YC, Park YO, Korean J. Chem. Eng., 19(6), 1085, 2002
  5. Choi JH, Ha SJ, Park YO, "Pressure Drop Aspect of the Fly Ashes from Power Plants," 6th Intern. Aerosol Conference, Taipei, 1257, 2002
  6. Davies CN, J. Aerosol Sci., 10, 477, 1979
  7. Dennis R, Dirgo JA, Filtr. Sep., 18, 394, 1981
  8. Endo Y, Chen DR, Pui DYH, Powder Technol., 98(3), 241, 1998
  9. Gupta A, Novick VJ, Bisawas P, Monson PR, Aerosol Sci. Technol., 19, 94, 1993
  10. Hemmer G, Berbner S, Umhauer H, Kasper G, "The Separation Efficiency of Ceramic Barrier Filters Determined at High Temperature by Optical Size and Concentration Measurement," High Temperature Gas Cleaning, Vol. 2, Ed. by A. Diller et al., 220, 1999
  11. Hinds WC, "Aerosol Technology," 2nd ed.,Powells Books, 1999
  12. Hoflinger W, Stocklmayer C, Hackl A, Filtr. Sep., 31(8), 807, 1994
  13. Neiva ACB, Goldstein L, Calvo P, High Temperature Gas Cleaning, 2, 83, 1999
  14. Perry RH, Green DW, "Perry's Chemical Engineers' H/B," 6th ed., McGraw-Hill, 20, 1973
  15. Schmidt E, Filtr. Sep., 32(8), 789, 1995
  16. Schmidt E, Filtr. Sep., 34(4), 365, 1997
  17. Schulz K, Durst M, Filtr. Sep., 31(1), 25, 1994
  18. Silva CRN, Negrini VS, Aguiar ML, Coury JR, Powder Technol., 101(2), 165, 1999
  19. Webb PA, Orr C, "Analytical Methods in Fine Particle Technology," Micromeritics Instrument Co., Norcross, GA USA, 17, 1997