Vapor pressures and heats of vaporization of primary coal tars. Quarterly technical progress report, July 1 - September 31, 1996

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The vapor pressure correlations that exist at present for coal tars are very crude and they are not considered reliable to even an order of magnitude. This project seeks to address this important gap in the near term by direct measurement of vapor pressures of coal tar fractions, by application of well-established techniques and modifications thereof. The principal objectives of the program are to: (1) obtain data on the vapor pressures and heats of vaporization of tars from a range of ranks of coal; (2) develop correlations based on a minimum set of conveniently measurable characteristics of the tars; and ... continued below

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50 p.

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Suuberg, E.M.; Oja, V. & Lilly, W.D. December 31, 1996.

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Description

The vapor pressure correlations that exist at present for coal tars are very crude and they are not considered reliable to even an order of magnitude. This project seeks to address this important gap in the near term by direct measurement of vapor pressures of coal tar fractions, by application of well-established techniques and modifications thereof. The principal objectives of the program are to: (1) obtain data on the vapor pressures and heats of vaporization of tars from a range of ranks of coal; (2) develop correlations based on a minimum set of conveniently measurable characteristics of the tars; and (3) develop equipment that would allow performing such measurements in a reliable, straightforward fashion. During this quarter we have extended the work on measurements of vapor pressures of coal tars, using the continuous Knudsen effusion technique. These results need further analysis and therefore in this report we describe only the general idea behind the technique, and also show some typical results.

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50 p.

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OSTI as DE97051797

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  • Other Information: PBD: [1996]

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  • Other: DE97051797
  • Report No.: DOE/PC/92544--17
  • Grant Number: FG22-92PC92544
  • DOI: 10.2172/468453 | External Link
  • Office of Scientific & Technical Information Report Number: 468453
  • Archival Resource Key: ark:/67531/metadc676534

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Feb. 17, 2017, 5:55 p.m.

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Suuberg, E.M.; Oja, V. & Lilly, W.D. Vapor pressures and heats of vaporization of primary coal tars. Quarterly technical progress report, July 1 - September 31, 1996, report, December 31, 1996; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc676534/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.