Advanced NMR-based techniques for pore structure analysis of coal. Final project report

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Description

During the 3 year term of the project, new methods have been developed for characterizing the pore structure of porous materials such as coals, carbons, and amorphous silica gels. In general, these techniques revolve around; (1) combining multiple techniques such as small-angle x-ray scattering (SAXS) and adsorption of contrast-matched adsorbates or {sup 129}Xe NMR and thermoporometry (the change in freezing point with pore size), (2) combining adsorption isotherms over several pressure ranges to obtain a more complete description of pore filling, or (3) applying NMR ({sup 129}Xe, {sup 14}N{sub 2}, {sup 15}N{sub 2}) techniques with well-defined porous solids with pores ... continued below

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120 p.

Creation Information

Smith, D.M.; Hua, D.W. & Earl, W. February 1, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 32 times , with 4 in the last month . More information about this report can be viewed below.

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  • Smith, D.M.
  • Hua, D.W. Univ. of New Mexico, Albuquerque, NM (United States). UNM/NSF Center for Micro-Engineered Ceramics
  • Earl, W. Los Alamos National Lab., NM (United States)

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Description

During the 3 year term of the project, new methods have been developed for characterizing the pore structure of porous materials such as coals, carbons, and amorphous silica gels. In general, these techniques revolve around; (1) combining multiple techniques such as small-angle x-ray scattering (SAXS) and adsorption of contrast-matched adsorbates or {sup 129}Xe NMR and thermoporometry (the change in freezing point with pore size), (2) combining adsorption isotherms over several pressure ranges to obtain a more complete description of pore filling, or (3) applying NMR ({sup 129}Xe, {sup 14}N{sub 2}, {sup 15}N{sub 2}) techniques with well-defined porous solids with pores in the large micropore size range (>1 nm).

Physical Description

120 p.

Notes

OSTI as DE96005564

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  • Other Information: PBD: [1996]

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  • Other: DE96005564
  • Report No.: DOE/PC/91296--15
  • Grant Number: FG22-91PC91296
  • DOI: 10.2172/196516 | External Link
  • Office of Scientific & Technical Information Report Number: 196516
  • Archival Resource Key: ark:/67531/metadc667077

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • February 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 30, 2015, 3:25 p.m.

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Smith, D.M.; Hua, D.W. & Earl, W. Advanced NMR-based techniques for pore structure analysis of coal. Final project report, report, February 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc667077/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.