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Chemistry and catalysis of coal liquefaction: catalytic and thermal upgrading of coal liquids; and hydrogenation of CO to produce fuels. Volume III. Final report

Technical Report ·
OSTI ID:5362416
This project was concerned with a systematic study of the hydrogenation-hydrodeoxygenation (HDO) reactions of aromatic ethers, phenols and oxygen-rich synfuels. The feeds investigated included diphenyl ether; dibenzyl ether; anisole (methoxybenzene); dibenzofuran; 2,3-benzofuran phenol; 2-naphthol; 2-phenylphenol; and three types of oxygen-rich synfuel feedstocks, i.e., peat-derived bitumens; fir-root bitumen and a low-temperature coal depolymerization product. The studies were performed in autoclave reactors between 110-370/sup 0/C and hydrogen pressures between 250-2000 psig using sulfided CoMo/..gamma..-Al/sub 2/O/sub 3/ and NiMo/..gamma..-Al/sub 2/O/sub 3/ catalysts. Changes in product composition as a function of experimental variables (reaction temperature, hydrogen pressure, reaction time, catalyst type, and H/sub 2/S (CS/sub 2/) concentration were determined. Kinetic rate constants and activation energies for each step in the reaction network of the structurally distinct model compounds were calculated, and mechanistic aspects fo the HDO reactions were elucidated. 161 refs., 93 figs., 70 tabs.
Research Organization:
Utah Univ., Salt Lake City (USA). Dept. of Fuels Engineering
DOE Contract Number:
AC22-79ET14700
OSTI ID:
5362416
Report Number(s):
DOE/ET/14700-T1-Vol.3; ON: DE85014168
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANISOLE
AROMATICS
AUTOCLAVES
BENCH-SCALE EXPERIMENTS
BENZOFURANS
BITUMENS
CARBONACEOUS MATERIALS
CATALYSIS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
COAL
COAL LIQUEFACTION
COAL LIQUIDS
COBALT
DATA
DECOMPOSITION
DEPOLYMERIZATION
ELEMENTS
ENERGY SOURCES
ETHERS
EXPERIMENTAL DATA
FLUIDS
FOSSIL FUELS
FUELS
FURANS
HETEROCYCLIC COMPOUNDS
HIGH PRESSURE
HIGH TEMPERATURE
HYDROGEN
HYDROGENATION
HYDROXY COMPOUNDS
INFORMATION
KINETICS
LIQUEFACTION
LIQUIDS
MATERIALS
MEDIUM PRESSURE
MEDIUM TEMPERATURE
METALS
MOLYBDENUM
NAPHTHOLS
NICKEL
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHENOLS
PHENYL ETHER
PRESSURE EFFECTS
REACTION KINETICS
RESEARCH PROGRAMS
STRUCTURAL MODELS
TAR
TEMPERATURE EFFECTS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS