Influence of Processing Conditions on the Properties of High Paraffin Oil and Sediment Composition
- Authors: Volkova G.I.1,2, Zubarev D.A.1
-
Affiliations:
- Institute of Petroleum Chemistry of Siberian Branch of the Russian Academy of Sciences
- National Research Tomsk State University
- Issue: No 2 (2024)
- Pages: 5-9
- Section: Articles
- URL: https://gynecology.orscience.ru/0023-1177/article/view/661562
- DOI: https://doi.org/10.31857/S0023117724020027
- EDN: https://elibrary.ru/OMXCNL
- ID: 661562
Cite item
Abstract
The influence of ultrasonic treatment, a polymer additive, and their combined effect on the structural and rheological properties of high paraffin, low-resin oil and the composition of separated sediments is studied. The oil was processed in the ultrasonic field (with the field intensity of 6 W/cm2, the frequency of 22 kHz, and the time of 1–10 min). The sedimentation process was carried out at an ambient temperature of 30°С and a coldfinger temperature of 5°С. A Brookfield DV-III ULTRA rotary viscometer was used to determine the viscosity-temperature parameters of the oil. Ultrasonic treatment for 1 min and a polymer additive (0.05 wt%) leads to a decrease in the viscosity by a factor of 5 and in pour point by 8°C. The introduction of the additive and the complex effect contribute to changes of the molecular weight distribution of n-alkanes in the sediments, viz. the second distribution maximum shifts to the region of higher molecular weight components and the concentration of n-alkanes ∑С17Н36–С33 Н68 increases.
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About the authors
G. I. Volkova
Institute of Petroleum Chemistry of Siberian Branch of the Russian Academy of Sciences; National Research Tomsk State University
Author for correspondence.
Email: galivvol@yandex.ru
Russian Federation, Tomsk; Tomsk
D. A. Zubarev
Institute of Petroleum Chemistry of Siberian Branch of the Russian Academy of Sciences
Email: zubarevdaniilandreevich@gmail.com
Russian Federation, Tomsk
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