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Catalytic hydroliquefaction of low-rank coals

Journal Article · · Energy Sources (N.Y.); (United States)
; ; ;
Hydroliquefaction behavior of ..cap alpha..-cellulose, leonardite, four lignites, and two subbituminous coals suspended in an anthracene oil carrier has been investigated in the presence of Co-Mo/Al/sub 2/O/sub 3/ catalyst at 425/sup 0/C and at an average pressure of 1,300 psig in a batch reactor for 30-min reaction time. Both total conversion of moisture-ash free solids and total yield of liquid products were greater for all but one of the lignites than for the subbituminous coals. Partial demineralization by HCl washing decreased both the total conversion of and pentane-soluble oil yield from lignites. It had relatively little effect on subbituminous coals. Although cellulose was almost completely converted to liquids and gases, no pentane-soluble oils were produced.
Research Organization:
Department of Chemical Engineering Worcester Polytechnic Institute Worcester, Massachusetts
OSTI ID:
6744361
Journal Information:
Energy Sources (N.Y.); (United States), Journal Name: Energy Sources (N.Y.); (United States) Vol. 7:1; ISSN EGYSA
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
ALUMINATES
ALUMINIUM COMPOUNDS
ANTHRACENE
AROMATICS
ASHES
BROWN COAL
CARBOHYDRATES
CARBONACEOUS MATERIALS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CELLULOSE
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
COAL RANK
COBALT COMPOUNDS
COMPARATIVE EVALUATIONS
CONDENSED AROMATICS
CRACKING
DECOMPOSITION
DEMINERALIZATION
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
HYDROCARBONS
HYDROCHLORIC ACID
HYDROCRACKING
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LIGNITE
LIQUEFACTION
LIQUIDS
MATERIALS
MEDIUM PRESSURE
MOLYBDENUM COMPOUNDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PENTANE
POLYSACCHARIDES
PYROLYSIS
RESIDUES
SACCHARIDES
SEPARATION PROCESSES
SOLUBILITY
SUBBITUMINOUS COAL
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
YIELDS