Plasma Aftertreatment for Simultaneous Control of NOx and Particulates

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Plasma reactors can be operated as a particulate trap or as a NO{sub x} converter. The soluble organic fraction (SOF) of the trapped particulates can be utilized for the oxidation of NO to NO{sub 2}. The NO{sub 2} can then be used to non-thermally oxidize the carbon fraction of the particulates. This paper examines the energy density required for oxidation of the SOF hydrocarbons and the fate of NO{sub 2} during the oxidation of the particulate carbon. The energy density required for complete oxidation of the SOF hydrocarbons is shown to be unacceptably large. The reaction of NO{sub 2} with ... continued below

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634 Kilobytes pages

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Penetrante, B.M.; Brusasco, R.M.; Merritt, B.T.; Pitz, W.J. & Vogtlin, G.E. October 28, 1999.

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Plasma reactors can be operated as a particulate trap or as a NO{sub x} converter. The soluble organic fraction (SOF) of the trapped particulates can be utilized for the oxidation of NO to NO{sub 2}. The NO{sub 2} can then be used to non-thermally oxidize the carbon fraction of the particulates. This paper examines the energy density required for oxidation of the SOF hydrocarbons and the fate of NO{sub 2} during the oxidation of the particulate carbon. The energy density required for complete oxidation of the SOF hydrocarbons is shown to be unacceptably large. The reaction of NO{sub 2} with carbon is shown to lead mainly to backconversion of NO{sub 2} to NO. These results suggest that the use of a catalyst in combination with the plasma will be required to efficiently reduce the NO{sub x} and oxidize the SOF hydrocarbons.

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634 Kilobytes pages

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  • 1999 Diesel Engine Emissions Reduction Workshop, Castine, ME (US), 07/05/1999--07/08/1999

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  • Report No.: UCRL-JC-136283
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 791040
  • Archival Resource Key: ark:/67531/metadc723299

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  • October 28, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 6, 2016, 1:50 p.m.

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Penetrante, B.M.; Brusasco, R.M.; Merritt, B.T.; Pitz, W.J. & Vogtlin, G.E. Plasma Aftertreatment for Simultaneous Control of NOx and Particulates, article, October 28, 1999; California. (digital.library.unt.edu/ark:/67531/metadc723299/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.