Raman Spectroscopy of the Petroleum Asphaltenes and Their Oxidation Products

The products resulting from the oxidative modification of petroleum asphaltenes were studied by Raman spectroscopy. Oxidizing agents such as peroxyacetic acid, potassium dichromate, and ammonium persulfate were used. Raman spectroscopy data indicated that the diameter of the aromatic sheets in asphaltenes varies widely depending on the calculation method applied. During chemical modification, the number of aromatic sheets decreases by several folds compared to native asphaltenes. The average number of aromatic rings per asphaltene sheet was found to be 8–10.

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Publication Details

Journal
Bulletin of the Russian Academy of Sciences Physics
Published
2025-12-01
DOI
https://doi.org/10.1134/s1062873825714606
Primary Topic
Petroleum Processing and Analysis
Type
article
Field-Weighted Citation Impact
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article

Raman Spectroscopy of the Petroleum Asphaltenes and Their Oxidation Products

D. N. Borisov, K. V. Shabalin, L. E. Foss, O. A. Nagornova
Bulletin of the Russian Academy of Sciences Physics
Petroleum Processing and Analysis
article

Raman Spectroscopy of the Petroleum Asphaltenes and Their Oxidation Products

D. N. Borisov, K. V. Shabalin, L. E. Foss, O. A. Nagornova
article en

Abstract

The products resulting from the oxidative modification of petroleum asphaltenes were studied by Raman spectroscopy. Oxidizing agents such as peroxyacetic acid, potassium dichromate, and ammonium persulfate were used. Raman spectroscopy data indicated that the diameter of the aromatic sheets in asphaltenes varies widely depending on the calculation method applied. During chemical modification, the number of aromatic sheets decreases by several folds compared to native asphaltenes. The average number of aromatic rings per asphaltene sheet was found to be 8–10.

Bulletin of the Russian Academy of Sciences PhysicsVol. 89(S2)
A.E. Arbuzov Institute of Organic and Physical Chemistry (RU)
Openalex Percentile: Top 40%
Petroleum Processing and Analysis
DOISourceOpenAlex
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