Generalized kinetic model of catalyzed hydroliquefaction of coal incorporating tetralin dehydrogenation reaction

Journal Article · Tue Sep 01 00:00:00 EDT 1987 · Ind. Eng. Chem. Res.; (United States)

DOI:https://doi.org/10.1021/ie00069a018· OSTI ID:5875885

Ghosh, A K; Prasad, G N; Sridhar, T

A three-component kinetic model previously reported for uncatalyzed liquefaction has been used to simulate hydroliquefaction of Victorian brown coal with three different types of catalysts: iron-tin; iron; and haematite. The presence of catalyst is found to enhance hydrogenation of coal as well as the equilibrium hydrogenation-dehydrogenation reactions involving donor solvent. The thermal dissolution and autohydrogenation reaction rates are independent of catalyst used. Iron-tin-based catalyst has been found to be most effective for the hydrogenation reaction step. The simulation shows that the reactions producing hydrogen from tetralin are much slower than the coal-hydrogen reactions; hence, efforts aimed at efficient abstraction of hydrogen from the hydrogen donors may be beneficial.

• Research Organization: AMCOR Research and Technology Centre, Alphington, Victoria 3078
• OSTI ID: 5875885
• Journal Information: Ind. Eng. Chem. Res.; (United States), Vol. 26:9
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
BROWN COAL
CHEMICAL REACTION KINETICS
HYDROGENATION
COAL LIQUEFACTION
CATALYSTS
DEHYDROGENATION
DISSOLUTION
HEMATITE
HYDROGEN
IRON
MATHEMATICAL MODELS
SOLVENTS
TIN
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
IRON COMPOUNDS
IRON ORES
IRON OXIDES
KINETICS
LIQUEFACTION
MATERIALS
METALS
MINERALS
NONMETALS
ORES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
REACTION KINETICS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
010405* - Coal
Lignite
& Peat- Hydrogenation & Liquefaction