Coal conversion processes. Quarterly report, December 13, 1983-March 12, 1984
Experimental work is continuing on four separate projects related to coal conversion processes. The direct digital control of exothermic multiphase reactions is being studied in an experimental adiabatic flow reactor. The existence of two stable steady states for the Fischer-Tropsch reaction network at the same temperature and feed condition has been verified and quantified. Various absorbents for SO/sub 2/ and NO/sub X/ are being studied. The absorption of NO/sub 2/ by methanol and N-cyclohexyl-2-pyrrolidone has been extensively examined. Preliminary data have been obtained with triethylene-tetraamine. Hindered amines will be studied next. Procedures for the preparation of liquid membranes have been tested and the incorporation of hindered amines in them will now be examined. Isotopic switching is being used to study the way in which promoters affect supported metal catalysts. With improved resolution from the mass spectrometer, early quantitative results give indications of three different surface species and of non-statistical ingrowth of /sup 13/C into the product molecules. A program for the study of the extraction of coal and oil shale using supercritical fluids is being carried out. The effect of the presence of piperidine on the amount of toluene solubles produced by supercritical extraction of coal with toluene/piperidine mixture has been determined. A new kinetic model for the extraction/liquefaction of coal by supercritical toluene and THF has been developed and proven satisfactory. Bruceton coal and Hi Na lignite have been extracted with supercritical water. 3 references, 7 figures, 6 tables.
- Research Organization:
- Pittsburgh Univ., PA (USA). Dept. of Chemical and Petroleum Engineering
- DOE Contract Number:
- FG22-83PC61256
- OSTI ID:
- 7089874
- Report Number(s):
- DOE/PC/61256-T2; ON: DE84013632
- Country of Publication:
- United States
- Language:
- English
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Coal conversion processes. Quarterly report, September 13-December 12, 1983
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Related Subjects
010404 -- Coal
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& Peat-- Gasification
010405* -- Coal
Lignite
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090121 -- Hydrocarbon Fuels-- Chemical Synthesis-- (1976-1989)
10 SYNTHETIC FUELS
ADSORBENTS
ADSORPTION
ALCOHOLS
ALKYLATED AROMATICS
AMIDES
AMINES
AROMATICS
AZINES
AZOLES
CARBONACEOUS MATERIALS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COAL LIQUEFACTION
DATA
ELEMENTS
ENERGY SOURCES
EXPERIMENTAL DATA
EXTRACTION
FISCHER-TROPSCH SYNTHESIS
FOSSIL FUELS
FUELS
FURANS
HETEROCYCLIC COMPOUNDS
HIGH TEMPERATURE
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFORMATION
LACTAMS
LIQUEFACTION
MATERIALS
METALS
METHANOL
NITROGEN COMPOUNDS
NITROGEN OXIDES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PIPERIDINES
PLATINUM METALS
PROMOTERS
PYRIDINES
PYRROLES
PYRROLIDONES
RESEARCH PROGRAMS
RUTHENIUM
SEPARATION PROCESSES
SOLVENT PROPERTIES
SORPTION
SORPTIVE PROPERTIES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SUPERCRITICAL GAS EXTRACTION
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TETRAHYDROFURAN
THERMOCHEMICAL PROCESSES
TOLUENE
TRANSITION ELEMENTS
WATER