TECHNICAL PAPERS: Gas Turbines: Coal, Biomass, and Alternative Fuels

Performance of a Vacuum Formed Chopped Ceramic Fiber Filter in a Reducing Environment

[+] Author and Article Information
R. K. Ahluwalia, V. J. Novick, L. Zhang, M. P. Sutaria, J. P. Singh

Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439-4841

J. Eng. Gas Turbines Power 123(2), 293-302 (Jul 01, 1998) (10 pages) doi:10.1115/1.1362669 History: Received July 01, 1998
Copyright © 2001 by ASME
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Eggerstedt, P. M., 1995, “Lightweight Ceramic Filter Components: Evaluation and Application,” Proceedings of the Advanced Coal-Fired Power System’ 95 Review Meeting, Morgantown, WV, Vol. 1, pp. 140–149.
Lee,  S. H. D., Eggerstedt,  P., and Zievers,  J. F., 1996, “Preliminary Evaluation of the Fibrosic Candle Filter for Particulate Control in PFBC,” J. Inst. Energy, 9, pp. 87–93.
Alvin, M. A., Lippert, T. E., Diaz, E. D., and Smeltzer, E. E., 1996, “Filter Component Assessment,” Proceedings of the Advanced Coal-Fired Power Systems’ 96 Review Meeting, Morgantown, WV, DOE/METC-96/037.
Swanson, M. L., and Ness, R. O., 1996, “Hot-Gas Filter Testing with a Transport Reactor Development Unit,” Proceedings of the Advanced Coal-Fired Power Systems’ 96 Review Meeting, Morgantown, WV, DOE/METC-96/1037.
Swanson, M. L., 1998, personal communications, July.


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Filter holder and back pulse system
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Pressure drop behavior of filter 4 as a function of gas flow rate and temperature, before and after exposure
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Derived permeability of VFCCF filters as a function of face velocity and temperature, before (symbol c in legend) and after exposure (symbol e in legend)
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Measured ΔP across the filter as a function of time at 600°C. The graphs show the effective cleanability of the filter as a function of reservoir pressure for a 1-s single pulse, and as a function of pulse duration at 11.2 bar reservoir pressure
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Effect of exposure on pore size distribution represented as cumulative intrusion volume less than the stated pore diameter
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Typical load-displacement plot and failure mode in O-ring compression tests
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Load-displacement plot from three-point bending tests
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SEM micrograph of the virgin filter showing composite material with a high fiber content
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SEM micrographs of the inner and outer surfaces of the exposed filters



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