Characteristics of coal liquids hydroprocessed in continuous hydrotreater
Journal Article
·
· Prepr. Pap. - Am. Chem. Soc., Div. Fuel Chem.; (United States)
OSTI ID:6552996
Coal liquids hydroprocessed in a continuous hydrotreater over Ni-Mo catalysts under varying process severities were characterized to study variations in chemical constituents and physical properties of the coal liquids. A 30 to 70% blend of SRC-I and SRC-II distillate (435 to 665/sup 0/K) produced from Western Kentucky bituminous coal was used as feedstock for the hydroprocessing. Nitrogen removal was found to accompany hydrogen addition to aromatics in the coal liquid. The linear plot of nitrogen removal versus hydrogen consumption for reference catalysts was found to provide a useful reference for evaluating nitrogen removal activity and the hydrogen utilization efficiency of a new catalyst. Hydrotreating was found to drastically reduce the phenolic OH and carbazolic NH content and reduce the heteroatoms, asphaltenes, and aromatics while at the same time increasing the aromatics and alkyl aromatics. (BLM)
- Research Organization:
- Pittsburgh Energy Technology Center, PA
- OSTI ID:
- 6552996
- Report Number(s):
- CONF-820909-Vol.3
- Journal Information:
- Prepr. Pap. - Am. Chem. Soc., Div. Fuel Chem.; (United States), Journal Name: Prepr. Pap. - Am. Chem. Soc., Div. Fuel Chem.; (United States) Vol. 27:3-4; ISSN ACFPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
010405 -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010600 -- Coal
Lignite
& Peat-- Properties & Composition
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL LIQUEFACTION
COAL LIQUIDS
DATA
DENITRIFICATION
ELEMENTS
EXPERIMENTAL DATA
FLUIDS
HYDROGENATION
INFORMATION
LIQUEFACTION
LIQUIDS
METALS
MOLYBDENUM
NICKEL
NUMERICAL DATA
PHYSICAL PROPERTIES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
010405 -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010600 -- Coal
Lignite
& Peat-- Properties & Composition
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL LIQUEFACTION
COAL LIQUIDS
DATA
DENITRIFICATION
ELEMENTS
EXPERIMENTAL DATA
FLUIDS
HYDROGENATION
INFORMATION
LIQUEFACTION
LIQUIDS
METALS
MOLYBDENUM
NICKEL
NUMERICAL DATA
PHYSICAL PROPERTIES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS