Liquid-Phase Oxidation of Naphthenic Petroleum Hydrocarbons in the Presence of Chromium and Cobalt Nanocomplexes

A study was carried out on the liquid-phase aerobic oxidation of a naphthene–paraffin concentrate of a diesel petroleum fraction with boiling point 217-349 °C in the presence of pentanuclear chromium and cobalt complexes and their mixtures with chromium and cobalt salts of natural petroleum acids. T...

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Bibliographic Details
Published in:Theoretical and experimental chemistry 2017, Vol.52 (6), p.375-382
Main Authors: Efendiyeva, L. M., Abbasov, V. M., Ismailov, E. H., Nuriyev, L. G., Suleymanova, S. A., Aliyeva, N. M.
Format: Article
Language:English
Subjects:
Boiling points
Catalysts
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Chromium
Chromium (Metal)
Cobalt
Cobalt compounds
Liquid phase oxidation
Liquid phases
Naphthenic acids
Oxidation-reduction reactions
Reaction products
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Summary:A study was carried out on the liquid-phase aerobic oxidation of a naphthene–paraffin concentrate of a diesel petroleum fraction with boiling point 217-349 °C in the presence of pentanuclear chromium and cobalt complexes and their mixtures with chromium and cobalt salts of natural petroleum acids. The yield of naphthenic acids was found to depend on the activity of the catalysts and their composition. In all cases, the reaction of the catalyst with a petroleum hydrocarbon was accompanied by the formation of nano- and micro-sized structures, i.e., these catalytic systems under the reaction conditions are liquid systems containing nano- and micro-sized particles, which are products of the reaction of the starting chromium and/or cobalt compound taken as the catalyst with the oxidation reaction products.
ISSN:0040-5760
1573-935X
DOI:10.1007/s11237-017-9493-y