Surface properties of photo-oxidized bituminous coals. Technical progress report, April 1995--June 1995

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During this report period, analysis of the vitrinite concentrate samples of the Lower Kittanning (PSOC-1562) and Illinois No. 6 (DECS-24) seams were completed. These results show that the concentrates are in excess of 97 vol. % vitrinite and that the sample remains in good shape for microflotation and GC/MS experiments. Two new coal samples, the hvAb Banner seam (DECS-29) and the mvb Splashdam seam (DECS-30) were collected in mid-June. Preliminary processing of the channel samples suggests that the Banner seam sample is severely weathered and may need to be replaced. Collection of a third sample, the hvBb Ohio No. 4a ... continued below

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14 p.

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Mitchell, G.; Davis, A. & Chander, S. August 1, 1995.

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  • Pennsylvania State University
    Publisher Info: Pennsylvania State Univ., University Park, PA (United States)
    Place of Publication: University Park, Pennsylvania

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Description

During this report period, analysis of the vitrinite concentrate samples of the Lower Kittanning (PSOC-1562) and Illinois No. 6 (DECS-24) seams were completed. These results show that the concentrates are in excess of 97 vol. % vitrinite and that the sample remains in good shape for microflotation and GC/MS experiments. Two new coal samples, the hvAb Banner seam (DECS-29) and the mvb Splashdam seam (DECS-30) were collected in mid-June. Preliminary processing of the channel samples suggests that the Banner seam sample is severely weathered and may need to be replaced. Collection of a third sample, the hvBb Ohio No. 4a seam, was delayed until next quarter. Surface oxidation of a powdered vitrinite concentrate sample of the Pittsburgh seam (DECS-23) was completed during this quarter. The technique of photo-oxidizing vitrain samples using our optical microscope was laborious and time consuming. Even after the procedure was streamlined the procedure of irradiating 1.4 g of vitrinite required 29 days. A limited number of samples will be irradiated in this manner in order to maintain continuity between our fluorometric measurements and microflotation experiments, but other methods of surface oxidation will be explored. Presentations were made at the DOE Contractor`s Review and Peer Review meetings held in Nashville, TN on June 13-14, 1995.

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14 p.

Notes

OSTI as DE96004996

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  • Other Information: PBD: Aug 1995

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  • Other: DE96004996
  • Report No.: DOE/PC/93223--T6
  • Grant Number: FG22-93PC93223
  • DOI: 10.2172/181520 | External Link
  • Office of Scientific & Technical Information Report Number: 181520
  • Archival Resource Key: ark:/67531/metadc669944

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  • August 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Feb. 20, 2017, 1:16 p.m.

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Mitchell, G.; Davis, A. & Chander, S. Surface properties of photo-oxidized bituminous coals. Technical progress report, April 1995--June 1995, report, August 1, 1995; University Park, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc669944/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.