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Thermodynamic Model For Calorimetric And Phase Coexistence Properties Of Coal Derived Fluids Annual Report
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Book Synopsis Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids. Annual Report by :
Download or read book Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids. Annual Report written by and published by . This book was released on 1991 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: On September 1, 1989 work was initiated on a project to extend the available vapor-liquid equilibrium (VLE) model for coal fluids to allow satisfactory predictions of excess enthalpies of coal liquids at high pressures. The available vapor liquid equilibrium model was developed with support from previous grant from DOE-PETC (Grant no. DE-FG22-89PC90541). The current project also involves measurement of some model compound VLE data and chromatographic characterization of coal liquids for distribution of heteroatoms. A computational thermodynamic model for VLE, excess enthalpies and heat capacities of coal derived liquids has been developed. The model uses the modified UNIFAC correlation for the liquid phase. Some unavailable UNIFAC interactions parameters have been regressed from experimental VLE and excess enthalpy data. The computations are carried out using the method of continuous thermodynamics. Mode is used to derive interesting conclusions on the effect of oxygen, nitrogen, and sulfur heteroatoms on the thermodynamic properties of coal liquids. When compared with limited experimental data available for coal liquids the model shows good agreement. Some progress has been made on binary VLE measurements and size exclusion chromatography of coal liquids.
Book Synopsis Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids. Final Technical Report by :
Download or read book Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids. Final Technical Report written by and published by . This book was released on 1992 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work on this project was initiated on September 1, 1989. The project consisted of three different tasks. 1. A thermodynamic model to predict VLE and calorimetric properties of coal liquids. 2. VLE measurements at high temperature and high pressure for coal model compounds and 3. Chromatographic characterization of coal liquids for distribution of heteroatoms. The thermodynamic model developed is an extension of the previous model developed for VLE of coal derived fluids (DOE Grant no. FG22-86PC90541). The model uses the modified UNIFAC correlation for the liquid phase. Some unavailable UNIFAC interactions parameters have been regressed from experimental VLE and excess enthalpy data. The model is successful in predicting binary VLE and excess enthalpy data. Further refinements of the model are suggested. An apparatus for the high pressure high temperature VLE data measurements has been built and tested. Tetralin-Quinoline is the first binary system selected for data measurements. The equipment was tested by measuring 325°C isotherm for this system and comparing it with literature data. Additional isotherms at 350°C and 370°C have been measured. The framework for a characterization procedure for coal derived liquids has been developed. A coal liquid is defined by a true molecular weight distribution and distribution of heteroatoms as a function of molecular weights. Size exclusions liquid chromatography, elemental analysis and FTIR spectroscopy methods are used to obtain the molecular weight and hetroatom distributions. Further work in this area should include refinements of the characterization procedure, high temperature high pressure VLE data measurements for selective model compound binary systems, and improvement of the thermodynamic model using the new measured data and consistent with the developments in the characterization procedure.
Book Synopsis Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids by :
Download or read book Thermodynamic Model for Calorimetric and Phase Coexistence Properties of Coal Derived Fluids written by and published by . This book was released on 1991 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: On September 1, 1989 work was initiated on a project to extend the available vapor-liquid equilibrium (VLE) model for coal fluids to allow satisfactory predictions of excess enthalpies of coal liquids at high pressures. The available vapor liquid equilibrium model was developed with support from previous grant from DOE-PETC (Grant no. DE-FG22-89PC90541). The current project also involves measurement of some model compound VLE data and chromatographic characterization of coal liquids for distribution of heteroatoms. A computational thermodynamic model for VLE, excess enthalpies and heat capacities of coal derived liquids has been developed. The model uses the modified UNIFAC correlation for the liquid phase. Some unavailable UNIFAC interactions parameters have been regressed from experimental VLE and excess enthalpy data. The computations are carried out using the method of continuous thermodynamics. Mode is used to derive interesting conclusions on the effect of oxygen, nitrogen, and sulfur heteroatoms on the thermodynamic properties of coal liquids. When compared with limited experimental data available for coal liquids the model shows good agreement. Some progress has been made on binary VLE measurements and size exclusion chromatography of coal liquids.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1992 with total page 1496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Equilibrium and Volumetric Properties of Coal-derived Fluids by : Oklahoma State University. School of Chemical Engineering
Download or read book Phase Equilibrium and Volumetric Properties of Coal-derived Fluids written by Oklahoma State University. School of Chemical Engineering and published by . This book was released on 1979 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data have been obtained at 100°C on the volumetric properties of three binary gas systems: hydrogen + methane, hydrogen + carbon dioxide and methane + carbon dioxide. Interaction virial coefficients evaluated from these data are estimated to be precise to ± 0.5 cc/gmol. In the vapor--liquid equilibrium study, the equipment and analytical techniques have been refined and data acquisition has begun. K-values have been measured at 220°F and pressures from 200 to 2,000 psia on the multicomponent system methane, ethane, propane, toulene, 1-methylnaphthalene. Precision of the data is estimated to vary from 2% for methane to 10% for 1-methylnaphthalene.
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications by : United States. National Bureau of Standards
Download or read book Publications written by United States. National Bureau of Standards and published by . This book was released on 1986 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)
Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1986 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Equilibrium and Volumetric Properties of Coal-derived Fluids by : Oklahoma State University. School of Chemical Engineering
Download or read book Phase Equilibrium and Volumetric Properties of Coal-derived Fluids written by Oklahoma State University. School of Chemical Engineering and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermodynamic and Transport Properties of Coal Liquids by : Constantine Tsonopoulos
Download or read book Thermodynamic and Transport Properties of Coal Liquids written by Constantine Tsonopoulos and published by . This book was released on 1986-04-03 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: A monograph for the student, specialist, and engineer working on coal liquefaction process development and design. Focuses on thermodynamic and transport properties needed in heat and material balances, and equipment design calculations. Presents data needs for process design, all coal liquefaction processes, and methods for characterizing coal liquids and model compounds. Discusses properties such as vapor, vapor-liquid equilibria, thermal, density, surface tension and transport properties. Includes look at future needs.
Book Synopsis Publications of the National Bureau of Standards ... Catalog by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards ... Catalog written by United States. National Bureau of Standards and published by . This book was released on 1984 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Equilibrium and Volumetric Properties of Coal-derived Fluids by :
Download or read book Phase Equilibrium and Volumetric Properties of Coal-derived Fluids written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976-05 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Abstracts written by and published by . This book was released on 1989 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
