Fundamental kinetics of supercritical coal liquefaction: effect of catalysts and hydrogen-donor solvents. Second quarterly report, 1996

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This quarterly report relates our recent progress toward the overall objective of understanding the supercritical fluid extraction of hydrocarbons from coal. Our approach is to simulate coal as a high molecular-weight polymeric material and study the degradation of polymers under various conditions, including temperature, pressure, and solvent. The degradation of such macromolecules is applicable to the decomposition (depolymerization) of the coal network. Another potential application of this research is to the recycling of plastics. Our recent research involved the study of the oxidative degradation of polystyrene in tricholorobenzene using tertbutyl peroxide. A continuous-mixture kinetics model for the rate of polymer ... continued below

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27 p.

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McCoy, B.J.; Smith, J.M.; Madras, G. & Kodera, Y. July 1, 1996.

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Description

This quarterly report relates our recent progress toward the overall objective of understanding the supercritical fluid extraction of hydrocarbons from coal. Our approach is to simulate coal as a high molecular-weight polymeric material and study the degradation of polymers under various conditions, including temperature, pressure, and solvent. The degradation of such macromolecules is applicable to the decomposition (depolymerization) of the coal network. Another potential application of this research is to the recycling of plastics. Our recent research involved the study of the oxidative degradation of polystyrene in tricholorobenzene using tertbutyl peroxide. A continuous-mixture kinetics model for the rate of polymer degradation and peroxide consumption was developed to describe the temporal behavior of the molecular-weight distributions and its various moments. Based on this work, a research paper entitled `Oxidative Degradation Kinetics of Polystyrene in Solution,` will be submitted to the journal, Chemical Engineering Science.

Physical Description

27 p.

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OSTI as DE97054569

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  • Other Information: PBD: Jul 1996

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  • Other: DE97054569
  • Report No.: DOE/PC/94204--T10
  • Grant Number: FG22-94PC94204
  • DOI: 10.2172/622609 | External Link
  • Office of Scientific & Technical Information Report Number: 622609
  • Archival Resource Key: ark:/67531/metadc689613

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • July 1, 1996

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 10, 2015, 7:43 p.m.

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McCoy, B.J.; Smith, J.M.; Madras, G. & Kodera, Y. Fundamental kinetics of supercritical coal liquefaction: effect of catalysts and hydrogen-donor solvents. Second quarterly report, 1996, report, July 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc689613/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.