Self-organization behavior of asphaltene molecules in heavy oils with varying the oil: Precipitant ratio

被引：4
|
作者：
Ganeeva, Yu. M. [1 ]
Yusupova, T. N. [1 ]
Morozov, V. I. [1 ]
Romanov, G. V. [1 ]
机构：
[1] Russian Acad Sci, Kazan Sci Ctr, Arbuzov Inst Organ & Phys Chem, Moscow 117901, Russia
来源：
PETROLEUM CHEMISTRY | 2013年 / 53卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
heavy oils; asphaltenes; asphaltene aggregation; thermal analysis; polydispersity; CRUDE-OIL; COLLOIDAL STRUCTURE;
D O I：
10.1134/S0965544113040038
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Ashal'chinskoe and Mordovo-Karmal'skoe crude oils and their components have been studied by thermal analysis and ESR spectroscopy. Directly from the oils as such, two sets of asphaltene fractions (I and II) have been obtained by the two-step addition of 40-fold excess of a precipitant with varying the oil: precipitant ratio in the first step to be 1 : 5, 1 : 10, and 1 : 20. A comprehensive analysis of the results of studying the oils and asphaltene fractions revealed specific features of aggregation of asphaltenes in different oils.
引用
收藏
页码：220 / 224
页数：5
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