Hydrofining of oil fractions of naphtheno-aromatic crude View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2008-09

AUTHORS

N. A. Pleshakova, V. A. Tyshchenko, N. N. Tomina, A. A. Pimerzin

ABSTRACT

The change of the chemical-group composition of oil fractions of naphtheno-aromatic crude during hydrofining was studied. A modified alumino-nickel-molybdenum catalyst for the hydrotreating (hydrofining) of oil fractions is proposed. The high activity of the catalyst in the reactions of the hydrodesulfurization and hydrogenation of aromatic hydrocarbons and resins in the test process is demonstrated. Deep hydrogenation of polycyclic aromatic compounds and resins results in a considerable increase in the viscosity index of the oil fractions. The conditions of the hydrofining of wide fractions were chosen, and appropriate amounts of the samples for the subsequent hydrogenation in the presence of the catalyst based on noble metals were produced. The hydrofining of oil fractions at the first stage makes it possible to run the second stage of the process (hydrogenation) on a catalyst that is sensitive to the poisonous effect of sulfur. More... »

PAGES

346-354

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0965544108050034

DOI

http://dx.doi.org/10.1134/s0965544108050034

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1003687175


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