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Structural–Dynamic Phase Transitions in Petroleum Disperse Systems

Kashaev, R. S.

Abstract Using the techniques of proton nuclear magnetic resonance (1H NMR) relaxometry and near-infrared spectroscopy, a multiextremun nature of dependencies of physicochemical properties, fractality, and quantization of changes in 1H NMR parameters that determine phase transitions between types of petroleum disperse systems in the order: Hydrocarbons ⇔ Crude oil ⇔ Atmospheric residue ⇔ Vacuum residue ⇔ Asphalt ⇔ Carbenes ⇔ Coke, has been experimentally established. A model of structural–dynamic transitions, associated with a change in the intermolecular pair potential characterized by a number of minima is proposed.

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Structural–Dynamic Phase Transitions in Petroleum Disperse Systems

Kashaev, R. S.

Abstract Using the techniques of proton nuclear magnetic resonance (1H NMR) relaxometry and near-infrared spectroscopy, a multiextremun nature of dependencies of physicochemical properties, fractality, and quantization of changes in 1H NMR parameters that determine phase transitions between types of petroleum disperse systems in the order: Hydrocarbons ⇔ Crude oil ⇔ Atmospheric residue ⇔ Vacuum residue ⇔ Asphalt ⇔ Carbenes ⇔ Coke, has been experimentally established. A model of structural–dynamic transitions, associated with a change in the intermolecular pair potential characterized by a number of minima is proposed.

Structural–Dynamic Phase Transitions in Petroleum Disperse Systems

Kashaev, R. S.

Abstract Using the techniques of proton nuclear magnetic resonance (1H NMR) relaxometry and near-infrared spectroscopy, a multiextremun nature of dependencies of physicochemical properties, fractality, and quantization of changes in 1H NMR parameters that determine phase transitions between types of petroleum disperse systems in the order: Hydrocarbons ⇔ Crude oil ⇔ Atmospheric residue ⇔ Vacuum residue ⇔ Asphalt ⇔ Carbenes ⇔ Coke, has been experimentally established. A model of structural–dynamic transitions, associated with a change in the intermolecular pair potential characterized by a number of minima is proposed.

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Title:

Structural–Dynamic Phase Transitions in Petroleum Disperse Systems

Contributors:

Kashaev, R. S. (author)

Published in:

Petroleum Chemistry ; 59 ; 143-150

Publication date:

2019-02-01

Size:

8 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544119020087

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

1H NMR relaxometry , multiextremun nature of physicochemical properties , fractality , quantization , intermolecular pair potential Chemistry , Industrial Chemistry/Chemical Engineering

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