Simultaneous Hot Desulfurization and Improved Filtration in Coal Utilization Processes Using Waste Material PUBLIC ACCESS

[+] Author Affiliations
Parul C. Patel, James F. Zievers, Paul M. Eggerstedt

Industrial Filter & Pump Mfg. Co., Cicero, IL

Elizabeth C. Zievers

Universal Porosics, Inc., La Grange, IL

Paper No. 97-GT-217, pp. V002T05A011; 6 pages
  • ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 2–5, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7869-9
  • Copyright © 1997 by ASME


Ceramic candle filtration is one of the few technologies for high temperature particulate removal which can meet both gas turbine manufacturer’s inlet particulate requirements and U.S. Clean Air Act requirements. Similarly, advances made in sorbent technology, especially metal oxide sorbents, have resulted in effective sulfur emissions mitigation. Current use of metal oxide sorbents, however, has focused on, regenerable formulations which have excellent sulfur affinity but high physical attrition, resulting in poor overall economics.

This paper suggests the use of spent metal oxide and calcium based materials for use in sulfur removal as an alternative to regenerable metal oxide sorbents. It becomes even more attractive when used in combination with ceramic candle filtration technology. When such sorbents are classified to a desired particle size and injected into a high temperature coal utilization process, such a “once-through” sorbent can effectively remove sulfur and simultaneously increase the permeability of dust collected at a downstream ceramic filter station, in a highly cost effective manner.

Copyright © 1997 by ASME
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