Thermodynamic properties for supercritical coal conversion: Quarterly progress report, 1/1/87-3/31/87. [Thioxanthone; xanthone; bibenzothiophene]
Technical Report
·
OSTI ID:7053103
Supercritical fluids (SCF's) are the medium for an exciting new separation technology which has the potential to provide a way to selectively remove the desirable or undesirable components from coal. Our objective is to investigate the thermodynamic properties of supercritical fluids pertinent to the extraction and/or reaction of coal. Specifically, we are measuring the solubilities of representative coal compounds in a variety of supercritical fluids. During this quarter, we measured the solubility of anthracene, thioxanthone, and xanthone in SC butane at 157, 162, and 182/sup 0/C. In order to expand the current solubility database of low temperature solvent studies, measurements were made with carbon dioxide at temperatures of 35, 50, and 70/sup 0/C and at pressures in the range of 100 to 420 bars. The solutes that were investigated include dibenzofuran, dibenzothiophene, and thianthrene. Results indicate higher solubilities can be obtained using SC butane. This solvent is likely to be better suited to coal processing applications.
- Research Organization:
- Illinois Univ., Urbana (USA). Dept. of Chemical Engineering
- DOE Contract Number:
- FG22-84PC70801
- OSTI ID:
- 7053103
- Report Number(s):
- DOE/PC/70801-T10; ON: DE87008186
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
ALKANES
ANTHRACENE
AROMATICS
BENZOFURANS
BUTANE
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHROMATOGRAPHY
COAL
CONDENSED AROMATICS
DATA
ENERGY SOURCES
EXPERIMENTAL DATA
EXTRACTION
FOSSIL FUELS
FUELS
FURANS
GAS CHROMATOGRAPHY
HETEROCYCLIC COMPOUNDS
HIGH PRESSURE
HIGH TEMPERATURE
HYDROCARBONS
INFORMATION
ISOTHERMS
MATERIALS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RESEARCH PROGRAMS
SEPARATION PROCESSES
SOLUBILITY
SOLVENT EXTRACTION
SOLVENT PROPERTIES
STRUCTURAL MODELS
SUPERCRITICAL GAS EXTRACTION
SUPERCRITICAL STATE
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
ALKANES
ANTHRACENE
AROMATICS
BENZOFURANS
BUTANE
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHROMATOGRAPHY
COAL
CONDENSED AROMATICS
DATA
ENERGY SOURCES
EXPERIMENTAL DATA
EXTRACTION
FOSSIL FUELS
FUELS
FURANS
GAS CHROMATOGRAPHY
HETEROCYCLIC COMPOUNDS
HIGH PRESSURE
HIGH TEMPERATURE
HYDROCARBONS
INFORMATION
ISOTHERMS
MATERIALS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RESEARCH PROGRAMS
SEPARATION PROCESSES
SOLUBILITY
SOLVENT EXTRACTION
SOLVENT PROPERTIES
STRUCTURAL MODELS
SUPERCRITICAL GAS EXTRACTION
SUPERCRITICAL STATE