Correlation between Asphaltene Stability in n-Heptane and Crude Oil Composition Revealed with In Situ Chemical Imaging

被引:28
作者
Gabrienko, Anton A. [1 ]
Subramani, Velu [2 ]
Martyanov, Oleg N. [3 ]
Kazarian, Sergei G. [1 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, London SW7 2AZ, England
[2] BP Prod North Amer Inc, Refining & Logist Technol, Naperville, IL 60563 USA
[3] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk 630090, Russia
关键词
MOLECULAR-SIZE; SPECTROSCOPY; PRESSURE; MODEL;
D O I
10.1260/0263-6174.32.4.243
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Five crude oil samples with different physical properties have been studied with respect to asphaltene stability. The attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopic imaging approach of n-heptane-induced precipitation has been used to monitor crude oil behaviour under dilution with a flocculation agent. For each sample, the dynamics of asphaltene precipitation has been observed by applying this chemical imaging method. Based on these data, the stability of crude oil samples has been compared and the correlation between asphaltene stability and crude oil properties has been proposed.
引用
收藏
页码:243 / 255
页数:13
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