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The authors carried out catalytic hydrocracking of a residue from deasphalting a syn-crude, obtained by direct coal liquefaction of a subbituminous Spanish coal, at different temperatures and reaction times. Kinetic study of the cracking reaction has been performed. The viscosity, coke content, boiling point distribution, elemental analysis, and aromaticity of the reaction products were determined.
The experimental data were in good agreement with the first-order kinetic model proposed.
Catalytic properties of low and high temperature xylene isomerization catalysts based on ZSM-5 zeolite Smieskova, A. et al. Pet. Coal, 1996, 38, (2), 38-40 Cx aromatic hydrocarbon isomerization was carried out on activated (480", 450" hydrogen flow) Ni-exchanged ZSM 5 zeolite catalysts at 260-420". Pure ethylbenzene isomerization was studied to elucidate the mechanism of the reaction. Temperatures of >400" favour ethylbenzene conversion by dealkylation.
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By-products related to fuels suitable for use as the feedstock. Adhesive resin is produced from the entire good strength contributions. The fly ash-cement mixes also had a good tar product by shifting the pH from acidic to basic with NaOH and stability of volume and low expansion rates. Up to lO-15