Supercritical thermodynamics of sulfur and nitrogen species. Quarterly progress report, April 1, 1992--June 30, 1992
Description
Significant opportunity exists for the application of supercritical fluid (SCF) technology to coal processing, both for pretreatment of high sulfur coals, as well as liquefaction and treatment of coal liquids. Supercritical fluids are attractive solvents for a variety of coal processing applications because of their unusual solvating and mass transfer properties. Solubility studies have been carried out for a number of model coal and coal liquid compounds, primarily in pure supercritical fluids. We are extending this database of model coal compound equilibria using modern techniques that have the advantage of being much more rapid than traditional techniques. Cosolvent effects on … continued below
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24 pages
Creation Information
Eckert, C. A. October 1, 1991.
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- United States. Department of Energy. DOE; USDOE, Washington, DC (United States)
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Georgia Institute of Technology. School of Chemical Engineering.
Publisher Info: Georgia Inst. of Tech., Atlanta, GA (United States). School of Chemical EngineeringPlace of Publication: Atlanta, Georgia
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- Main Title: Supercritical thermodynamics of sulfur and nitrogen species. Quarterly progress report, April 1, 1992--June 30, 1992
- Serial Title: Supercritical thermodynamics of sulfur and nitrogen species. Quarterly progress report
Description
Significant opportunity exists for the application of supercritical fluid (SCF) technology to coal processing, both for pretreatment of high sulfur coals, as well as liquefaction and treatment of coal liquids. Supercritical fluids are attractive solvents for a variety of coal processing applications because of their unusual solvating and mass transfer properties. Solubility studies have been carried out for a number of model coal and coal liquid compounds, primarily in pure supercritical fluids. We are extending this database of model coal compound equilibria using modern techniques that have the advantage of being much more rapid than traditional techniques. Cosolvent effects on solubility are being investigated over a variety of solvent properties. In addition, specific molecular interactions are being investigated through spectroscopic techniques. The resulting data are being used to develop a chemical-physical equation of state (EOS) model of SCF solution with meaningful parameters. The equation of state will be used to predict solubility behavior, which will permit the design and tailoring of SCF cosolvent systems for specific coal processing applications.
Physical Description
24 pages
Notes
OSTI; NTIS; GPO Dep.
Subjects
Keywords
- Acetone
- Alcohols
- Alkanes
- Amines
- Anthracene
- Aromatics
- Azaarenes
- Azoles
- Carbazoles
- Carbon Compounds
- Carbon Dioxide
- Carbon Oxides
- Carbonaceous Materials
- Chalcogenides
- Chemical State
- Chlorinated Aliphatic Hydrocarbons
- Chloroform
- Chromatography
- Coal
- Condensed Aromatics
- Data
- Document Types
- Elements
- Energy Sources
- Ethane
- Fluorene
- Fluorinated Aliphatic Hydrocarbons
- Fluoroform
- Fossil Fuels
- Fuels
- Halogenated Aliphatic Hydrocarbons
- Heterocyclic Compounds
- Hydrocarbons
- Hydroxy Compounds
- Information
- Ketones
- Materials
- Nitrogen
- Nonmetals
- Numerical Data
- Organic Chlorine Compounds
- Organic Compounds
- Organic Fluorine Compounds
- Organic Halogen Compounds
- Organic Nitrogen Compounds
- Oxides
- Oxygen Compounds
- Phenanthrene
- Progress Report
- Separation Processes 400201* -- Chemical & Physicochemical Properties
- Solubility
- Sulfur
- Supercritical State
- Thermodynamics
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- Other: DE93004922
- Report No.: DOE/PC/91287-4
- Grant Number: FG22-91PC91287
- Digital Object Identifier: https://doi.org/10.2172/6998033
- Office of Scientific & Technical Information Report Number: 6998033
- Archival Resource Key: ark:/67531/metadc1192174
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- October 1, 1991
Added to The UNT Digital Library
- July 2, 2018, 10:52 p.m.
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Eckert, C. A. Supercritical thermodynamics of sulfur and nitrogen species. Quarterly progress report, April 1, 1992--June 30, 1992, report, October 1, 1991; Atlanta, Georgia. (https://digital.library.unt.edu/ark:/67531/metadc1192174/: accessed May 15, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.