Molecular accessibility in oxidized and dried coals. Quarterly report, July 1995--September 1995

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Description

The objective of this research project is to determine the molecular and structural changes that occur in swelled coal as a result of oxidation and moisture loss both in the presence and absence of light using our newly developed EPR spin probe method. The proposed study will make it possible to deduce the molecular accessibility distribution in swelled, oxidized APCS coal for each rank as a function of (1) size (up to 6 nm) and shape, (2) the relative acidic/basic reactive site distributions, and (3) the role of hydrogen bonding as a function of swelling solvents. The advantage of the ... continued below

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6 p.

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Kispert, L.D. February 1, 1996.

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Description

The objective of this research project is to determine the molecular and structural changes that occur in swelled coal as a result of oxidation and moisture loss both in the presence and absence of light using our newly developed EPR spin probe method. The proposed study will make it possible to deduce the molecular accessibility distribution in swelled, oxidized APCS coal for each rank as a function of (1) size (up to 6 nm) and shape, (2) the relative acidic/basic reactive site distributions, and (3) the role of hydrogen bonding as a function of swelling solvents. The advantage of the EPR method is that it permits molecules of selected shape, size and chemical reactivity to be used as probes of molecular accessible regions of swelled coal. From such data an optimum catalyst can be designed to convert oxidized coal into a more convenient form and methods can be devised to lessen the detrimental weathering processes.

Physical Description

6 p.

Notes

OSTI as DE96007624

Source

  • Other Information: PBD: [1996]

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  • Other: DE96007624
  • Report No.: DOE/PC/93202--8
  • Grant Number: FG22-93PC93202
  • DOI: 10.2172/196482 | External Link
  • Office of Scientific & Technical Information Report Number: 196482
  • Archival Resource Key: ark:/67531/metadc670357

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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. 24, 2015, 12:57 p.m.

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Kispert, L.D. Molecular accessibility in oxidized and dried coals. Quarterly report, July 1995--September 1995, report, February 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc670357/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.