Experimental Investigation into Compression Properties of Integrated Coal Gasification Combined Cycle Fly Ashes on a Ceramic Filter

Joo-Hong Choi; Young-Cheol Bak; Hyuk-Jin Jang; Jin-Hyung Kim; Jin-Hyun Kim

Korean Journal of Chemical Engineering, Vol.21, No.3, 726-732, May, 2004

Joo-Hong Choi^†, Young-Cheol Bak , Hyuk-Jin Jang, Jin-Hyung Kim, and Jin-Hyun Kim

Department of Chemical Engineering and ERI, Gyeongsang National University, Jinju 660-701, Korea

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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.

Keywords:Gas Filtration;Ceramic Filter;Dust Cake Compression;Cake Porosity;Pressure Drop

[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 JH, Ha SJ, Bak YC, Park YO, Korean J. Chem. Eng., 19(6), 1085 (2002)
Choi JH, Ha SJ, Park YO, "Pressure Drop Aspect of the Fly Ashes from Power Plants," 6th Intern. Aerosol Conference, Taipei, 1257 (2002)
Davies CN, J. Aerosol Sci., 10, 477 (1979)
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)
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)
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)
Webb PA, Orr C, "Analytical Methods in Fine Particle Technology," Micromeritics Instrument Co., Norcross, GA USA, 17 (1997)

[Referenced By]

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[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)