High Temperature High Pressure Thermodynamic Measurements for Coal Model Compounds

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The overall objective of this project is to develop a better thermodynamic model for predicting properties of high-boiling coal derived liquids, especially the phase equilibria of different fractions at elevated temperatures and pressures. The development of such a model requires data on vapor-liquid equilibria (VLE), enthalpy, and heat capacity which would be experimentally determined for binary systems of coal model compounds and compiled into a database. The data will be used to refine existing models such as UNIQUAC and UNIFAC. The flow VLE apparatus designed and built for a previous project was upgraded and recalibrated for data measurements for thk ... continued below

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Chen, John C. & Kabadi, Vinayak N. November 12, 1998.

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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 12 times . More information about this report can be viewed below.

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Description

The overall objective of this project is to develop a better thermodynamic model for predicting properties of high-boiling coal derived liquids, especially the phase equilibria of different fractions at elevated temperatures and pressures. The development of such a model requires data on vapor-liquid equilibria (VLE), enthalpy, and heat capacity which would be experimentally determined for binary systems of coal model compounds and compiled into a database. The data will be used to refine existing models such as UNIQUAC and UNIFAC. The flow VLE apparatus designed and built for a previous project was upgraded and recalibrated for data measurements for thk project. The modifications include better and more accurate sampling technique and addition of a digital recorder to monitor temperature, pressure and liquid level inside the VLE cell. VLE data measurements for system benzene-ethylbenzene have been completed. The vapor and liquid samples were analysed using the Perkin-Elmer Autosystem gas chromatography.

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  • Other: DE00001686
  • Report No.: DE-FG22-95PC95214--03
  • Grant Number: FG22-95PC95214
  • DOI: 10.2172/1686 | External Link
  • Office of Scientific & Technical Information Report Number: 1686
  • Archival Resource Key: ark:/67531/metadc621691

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Office of Scientific & Technical Information Technical Reports

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  • November 12, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 8, 2016, 1:17 p.m.

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Chen, John C. & Kabadi, Vinayak N. High Temperature High Pressure Thermodynamic Measurements for Coal Model Compounds, report, November 12, 1998; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc621691/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.