Effect of Ultrasonic Treatment on the Properties and Composition of High-Wax Crude Oil and Its Precipitates

被引：0
|
作者：
Volkova, G. I. [1 ]
Zubarev, D. A. [1 ]
Kadychagov, P. B. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Petr Chem, Tomsk 634055, Russia
来源：
PETROLEUM CHEMISTRY | 2024年 / 64卷 / 05期
关键词：
high-wax crude oil; ultrasonic treatment; viscosity; precipitate; raffinate; n-alkanes;
D O I：
10.1134/S0965544124020026
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
High-wax crude oil was treated with ultrasound (sample weight 50 g, frequency 22 kHz, field intensity 8 W/cm(2)) for 10 min. The ultrasonic treatment led to an increase in the crude oil viscosity, viscous flow activation energy, specific energy of the break of the disperse system, congealing point, pour point, and precipitate amount and to changes in the precipitate structure. The oil fraction of the crude oil, precipitates, and raffinates was analyzed by IR spectroscopy and chromatography-mass spectrometry. The content of high-molecular-mass n-alkanes in oils from the precipitate of the ultrasonically treated crude oil considerably decreases.
引用
收藏
页码：540 / 547
页数：8
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