Toxic substances from coal combustion -- A comprehensive assessment. Quarterly report number 2, January 1--March 31, 1996

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The technical objectives of this project are: to identify the effect of the mode-of-occurrence of toxic elements in coal on the partitioning of these elements among vapor, submicron fume, and fly ash during the combustion of pulverized coal; to identify the mechanisms governing the post-vaporization interaction of toxic elements and major minerals or unburnt char; to determine the effect of combustion environment (i.e., fuel rich or fuel lean) on the partitioning of trace elements between vapor, submicron fume, and fly ash during the combustion of pulverized coal; to model the partitioning of toxic elements between various chemical species in the ... continued below

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39 p.

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Bool, L.E. III; Senior, C.L.; Huggins, F.; Huffman, G.P.; Shah, N.; Wendt, J. et al. April 1, 1996.

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Description

The technical objectives of this project are: to identify the effect of the mode-of-occurrence of toxic elements in coal on the partitioning of these elements among vapor, submicron fume, and fly ash during the combustion of pulverized coal; to identify the mechanisms governing the post-vaporization interaction of toxic elements and major minerals or unburnt char; to determine the effect of combustion environment (i.e., fuel rich or fuel lean) on the partitioning of trace elements between vapor, submicron fume, and fly ash during the combustion of pulverized coal; to model the partitioning of toxic elements between various chemical species in the vapor phase and between the vapor phase and complex aluminosilicate melts; and to develop a frame work for incorporating the results of the program into the Engineering Model for Ash Formation (EMAF). A description of the work plan for accomplishing these objectives is presented in Section 2 of this report. In Section 3 of this report the authors define a detailed list of deliverables expected and consists of a group by group breakdown of the critical experiments to be performed, and a discussion of how that data fits into the overall program. In Section 4 the four coals selected for this program are reported. In Section 5 preliminary XAFs analysis by UKy personnel is discussed. Section 6 consists of a discussion of trace element analysis (INAA) of two size fractions of the Elkhorn-Hazard coal. A discussion of the modifications to the U.Arizona self-sustained combustor is presented in Section 7. Modifications included addition of a baghouse and improvements in the on-line safety and analytical systems. In Section 8 a detailed QA/QC protocol is presented.

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39 p.

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OSTI as DE96012295

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  • Other Information: PBD: Apr 1996

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  • Other: DE96012295
  • Report No.: DOE/PC/95101--T2
  • Grant Number: AC22-95PC95101
  • DOI: 10.2172/257357 | External Link
  • Office of Scientific & Technical Information Report Number: 257357
  • Archival Resource Key: ark:/67531/metadc666273

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  • April 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 25, 2015, 5:55 p.m.

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Bool, L.E. III; Senior, C.L.; Huggins, F.; Huffman, G.P.; Shah, N.; Wendt, J. et al. Toxic substances from coal combustion -- A comprehensive assessment. Quarterly report number 2, January 1--March 31, 1996, report, April 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc666273/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.