The role of pore structure on char reactivity. Quarterly report

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The project has examined the effect of the pore structure diffusivity changes on the generation of NOx and N{sub 2}O from the Fluidized Bed Combustor. Furthermore, refinement of the techniques necessary to determine micropore characteristics from transmission electron microscopy (TEM) imaging have been further refined. The main focus of the past 3 months work has been generation of spherocarbon samples by oxidation in air at 500C. In past work, Spherocarbon has proven quite conducive to oxidation studies. It is virtually 100% carbon with high surface area (800 M{sup 2}/g as measured by BET). Past studies have focused on relatively low ... continued below

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9 p.

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Sarofim, A. F. & Kandas, A. October 1, 1995.

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Description

The project has examined the effect of the pore structure diffusivity changes on the generation of NOx and N{sub 2}O from the Fluidized Bed Combustor. Furthermore, refinement of the techniques necessary to determine micropore characteristics from transmission electron microscopy (TEM) imaging have been further refined. The main focus of the past 3 months work has been generation of spherocarbon samples by oxidation in air at 500C. In past work, Spherocarbon has proven quite conducive to oxidation studies. It is virtually 100% carbon with high surface area (800 M{sup 2}/g as measured by BET). Past studies have focused on relatively low oxidation levels of less than 60% It is our intention to examine spherocarbon with the TEM at very high conversion levels (80%+). Under most characterization studies, this would be too high of a conversion level, but using new TEM techniques that have been developed here at MIT, we can now characterize the d002 spacing and lattice length of very small sample sizes.

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9 p.

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OSTI as DE96008550

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  • Other Information: PBD: Oct 1995

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  • Other: DE96008550
  • Report No.: DOE/PC/91294--T16
  • Grant Number: FG22-91PC91294
  • DOI: 10.2172/211570 | External Link
  • Office of Scientific & Technical Information Report Number: 211570
  • Archival Resource Key: ark:/67531/metadc666363

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • March 22, 2018, 3:10 p.m.

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Sarofim, A. F. & Kandas, A. The role of pore structure on char reactivity. Quarterly report, report, October 1, 1995; Cambridge, Massachusetts. (digital.library.unt.edu/ark:/67531/metadc666363/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.