Influence of Processing Conditions on the Properties of High Paraffin Oil and Sediment Composition

被引：1
|
作者：
Volkova, G. I. [1 ,2 ]
Zubarev, D. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Petr Chem, Siberian Branch, Tomsk 634055, Russia
[2] Natl Res Tomsk State Univ, Tomsk 634050, Russia
来源：
SOLID FUEL CHEMISTRY | 2024年 / 58卷 / 02期
关键词：
highly paraffinic oil; ultrasonic treatment; polymer additive; viscosity; sediment composition; ULTRASONIC TREATMENT;
D O I：
10.3103/S0361521924020149
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The influence of ultrasonic treatment, a polymer additive, and their combined effect on the structural and rheological properties of highly paraffinic, low-resin oil and the composition of separated sediments was studied. The oil was processed in an ultrasonic field (field intensity, 6 W/cm2; frequency, 22 kHz; and time, 1-10 min). The sedimentation process was carried out at a medium temperature of 30 degrees C and a cold rod temperature of 5 degrees C. Viscosity-temperature parameters of oil were determined using a Brookfield DV-III ULTRA rotational viscometer. Ultrasonic treatment for 1 min and a polymer additive (0.05 wt %) led to a decrease in the viscosity by a factor of 5 and in pour point by 8 degrees C. The introduction of the additive and the complex effect contributed to changes in the molecular weight distribution of n-alkanes in sediments: a shift of the second distribution maximum to the region of higher molecular weight components and an increase in the concentration of n-alkanes Sigma C17H36-C33H68.
引用
收藏
页码：87 / 91
页数：5
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