In Situ FTIR Spectroscopic Imaging of Asphaltene Deposition from Crude Oil under n-Heptane and Acetone Flows Научная публикация
| Журнал |
Petroleum Chemistry
ISSN: 0965-5441 , E-ISSN: 1531-8532 |
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| Вых. Данные | Год: 2022, Том: 62, Номер: 9, Страницы: 1087-1095 Страниц : 9 DOI: 10.1134/s0965544122090079 | ||||||
| Ключевые слова | crude oil, asphaltenes, n-heptane, acetone, microfluidic device, FTIR spectroscopic imaging, chemical imaging | ||||||
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Информация о финансировании (1)
| 1 | Российский научный фонд | 20-79-00183 |
Реферат:
Asphaltene deposition from crude oil, induced by n-heptane and acetone flows in a microfluidic device, was studied by optical and FTIR spectroscopic imaging techniques in situ. It was found that n-heptane and acetone penetrate crude oil in completely different ways, which is responsible for the formation of deposits with different structures and chemical compositions. The contact of the n-heptane flow with crude oil leads to fast aggregation of asphaltenes at the interface, resulting in the formation of a compact deposit fixed to the surface. Subsequent slow diffusion of n-heptane into crude oil causes asphaltene aggregation and precipitation of loose deposits. In the case of acetone, the flocculant diffuses (faster than n-heptane) into crude oil, which results in removal of its soluble components and in the formation of deposits appearing as strips as well. The distribution of the functional groups (–OH(NH), CH2–CH3, C=O, C–O, S=O) in the deposits is spatially heterogeneous. The asphaltenes deposits formed at the flocculant-crude oil interface are richer in the functional groups than those formed during diffusion. No carbonyl groups were revealed in the deposits formed in the acetone flow, while oxygen-containing groups such as –OH(NH) and S=O were present, which was an unusual result.
Библиографическая ссылка:
Shalygin A.S.
, Milovanov E.S.
, Kovalev E.P.
, Yakushkin S.S.
, Kazarian S.G.
, Martyanov O.N.
In Situ FTIR Spectroscopic Imaging of Asphaltene Deposition from Crude Oil under n-Heptane and Acetone Flows
Petroleum Chemistry. 2022. V.62. N9. P.1087-1095. DOI: 10.1134/s0965544122090079 WOS Scopus РИНЦ CAPlus OpenAlex
In Situ FTIR Spectroscopic Imaging of Asphaltene Deposition from Crude Oil under n-Heptane and Acetone Flows
Petroleum Chemistry. 2022. V.62. N9. P.1087-1095. DOI: 10.1134/s0965544122090079 WOS Scopus РИНЦ CAPlus OpenAlex
Оригинальная:
Шалыгин А.С.
, Милованов Е.С.
, Ковалев Е.П.
, Якушкин С.С.
, Казарян С.Г.
, Мартьянов О.Н.
Исследование осаждения асфальтенов из нефти потоком н-гептана и ацетона методом химической визуализации в режиме in situ
Нефтехимия. 2022. Т.62. №6. С.837-846. DOI: 10.31857/S0028242122060065 РИНЦ OpenAlex
Исследование осаждения асфальтенов из нефти потоком н-гептана и ацетона методом химической визуализации в режиме in situ
Нефтехимия. 2022. Т.62. №6. С.837-846. DOI: 10.31857/S0028242122060065 РИНЦ OpenAlex
Даты:
| Поступила в редакцию: | 21 июн. 2022 г. |
| Принята к публикации: | 16 авг. 2022 г. |
| Опубликована в печати: | 1 сент. 2022 г. |
| Опубликована online: | 11 нояб. 2022 г. |
Идентификаторы БД:
| Web of science: | WOS:000882003800008 |
| Scopus: | 2-s2.0-85141792422 |
| РИНЦ: | 50321343 |
| Chemical Abstracts: | 2022:2871785 |
| OpenAlex: | W4312438364 |