An experimental study on the effects of temperature and asphaltene content on the rheological behavior of vacuum residues

被引：6
|
作者：
Ghaffari, Ali [1 ]
Sharifi, Khashayar [1 ]
Ivakpour, Javad [1 ]
机构：
[1] Res Inst Petr Ind, Petr Refining Div, Tehran, Iran
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2017年 / 35卷 / 08期
关键词：
Asphaltene content; rheology; vacuum residue; viscosity; yield point; LIGHT CRUDE-OIL; BITUMEN; COKING; HEAVY; FLOW;
D O I：
10.1080/10916466.2016.1276591
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, the rheological behavior of five types of Iranian vacuum residues (VRs) containing different values of asphaltene content is investigated under the effects of a wide range of temperature and shear rate. Rheological tests showed that the asphaltene content of VRs plays an important role on the viscosity of these fluids. The samples with higher content of asphaltene have higher values of viscosity and also higher yield point. The Bingham plastic and Herschel-Bulkley models were successfully used to model the rheology and yield behavior of VR samples at a wide range of shear rate and temperature.
引用
收藏
页码：768 / 774
页数：7
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