Production and use of activated char for combined SO{sub 2}/NO{sub x} removal. [Quarterly] technical report, September 1--November 30, 1994

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Description

Carbon adsorbents have been shown to remove sulfur oxides from flue gas, and also serve as a catalyst for reduction of nitrogen oxides at temperatures between 80 and 150{degree}C. The overall objective of this project is to determine whether Illinois coal is a suitable feedstock for the production of activated char which could be used as a catalyst for combined SO{sub 2}/NO{sub x} removal, and to evaluate the potential application of the products in flue gas cleanup. During this quarter, further analyses of SO{sub 2} adsorption and TPD data revealed that SO{sub 2} adsorption was directly proportional to the number ... continued below

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27 p.

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Lizzio, A.A.; DeBarr, J.A.; Donnals, G.L.; Feizoulof, C.A.; Kruse, C.W.; Lytle, J.M. et al. December 31, 1994.

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Description

Carbon adsorbents have been shown to remove sulfur oxides from flue gas, and also serve as a catalyst for reduction of nitrogen oxides at temperatures between 80 and 150{degree}C. The overall objective of this project is to determine whether Illinois coal is a suitable feedstock for the production of activated char which could be used as a catalyst for combined SO{sub 2}/NO{sub x} removal, and to evaluate the potential application of the products in flue gas cleanup. During this quarter, further analyses of SO{sub 2} adsorption and TPD data revealed that SO{sub 2} adsorption was directly proportional to the number of unoccuppied (free) adsorption sites on the carbon surface. The SO{sub 2} capacity of a series of prepared IBC-102 chars and commercial activated carbons normalized with respect to the number of free sites varied by less than a factor of two, which indicated an excellent correlation. Based on these results, a mechanism for SO{sub 2} adsorption on carbon and conversion to H{sub 2}SO{sub 4} was proposed. To study NO{sub x} reduction by activated char, a packed bed flow through system was designed and constructed. A quadrupole mass spectrometer was installed to monitor the [NO] and [NO{sub 2}]; NO breakthrough curves were obtained for a commercial activated carbon at various [NO].

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27 p.

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OSTI as DE95008000

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  • Other Information: PBD: [1994]

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  • Other: DE95008000
  • Report No.: DOE/PC/92521--T214
  • Grant Number: FC22-92PC92521
  • DOI: 10.2172/45942 | External Link
  • Office of Scientific & Technical Information Report Number: 45942
  • Archival Resource Key: ark:/67531/metadc680504

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  • December 31, 1994

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  • July 25, 2015, 2:21 a.m.

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  • June 24, 2016, 7:52 p.m.

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Lizzio, A.A.; DeBarr, J.A.; Donnals, G.L.; Feizoulof, C.A.; Kruse, C.W.; Lytle, J.M. et al. Production and use of activated char for combined SO{sub 2}/NO{sub x} removal. [Quarterly] technical report, September 1--November 30, 1994, report, December 31, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc680504/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.