Simultaneous hot desulfurization and improved filtration

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Description

Coal reserves in the United States as well as abroad will remain unusable until technology is developed to meet both Clean Air Act mandates and New Source Performance Standards (NSPS) for particulate, SO{sub 2}, and NO{sub x}, emissions effectively and economically. Recent breakthroughs in particulate control, specifically ceramic filtration technology, have shown that NSPS limits on particulates can be achieved at high process temperatures, thereby minimizing thermal losses and system complexity. While both calcium based and regenerable metal oxide sorbents are currently utilized for sulfur mitigation, problems such as sintering, temperature limitations, physical attrition, and cost have limited their success. ... continued below

Physical Description

15 p.

Creation Information

Eggerstedt, P.M.; Zievers, J.F.; Patel, P.C. & Zievers, E.C., Industrial Fiber & Pump Mfg. Co. January 1, 1998.

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Description

Coal reserves in the United States as well as abroad will remain unusable until technology is developed to meet both Clean Air Act mandates and New Source Performance Standards (NSPS) for particulate, SO{sub 2}, and NO{sub x}, emissions effectively and economically. Recent breakthroughs in particulate control, specifically ceramic filtration technology, have shown that NSPS limits on particulates can be achieved at high process temperatures, thereby minimizing thermal losses and system complexity. While both calcium based and regenerable metal oxide sorbents are currently utilized for sulfur mitigation, problems such as sintering, temperature limitations, physical attrition, and cost have limited their success. This research suggests the use of waste metal oxide materials for the removal of sulfur in hot gas streams as an alternative to either traditional calcium based sorbents, or regenerable metal oxide sorbents. When 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. Several waste metal oxides, including the oxides of iron, tin, and zinc, have been evaluated both individually and in combination to assess their capacity for sulfur capture in both oxidizing and reducing atmospheres. Additionally, inert materials such as silica sand as well as more traditional materials such as dolomite and limestone, were evaluated as sorbents under identical test conditions to serve as reference data.

Physical Description

15 p.

Notes

OSTI as DE98051726

Source

  • Advanced coal-based power and environmental systems `97 conference, Pittsburgh, PA (United States), 22-24 Jul 1997

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Identifier

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  • Other: DE98051726
  • Report No.: DOE/ER/81786--98/C0940
  • Report No.: CONF-970772--
  • Grant Number: FG02-94ER81786
  • DOI: 10.2172/302212 | External Link
  • Office of Scientific & Technical Information Report Number: 302212
  • Archival Resource Key: ark:/67531/metadc684894

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • Nov. 10, 2015, 9:30 p.m.

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Eggerstedt, P.M.; Zievers, J.F.; Patel, P.C. & Zievers, E.C., Industrial Fiber & Pump Mfg. Co. Simultaneous hot desulfurization and improved filtration, report, January 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc684894/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.