Demulsification using an electric field after crude oil desalination by ethylene glycol extraction

被引：3
|
作者：
Li, X. A. [1 ]
Ren, M. N. [2 ]
Cao, F. H. [1 ,3 ]
机构：
[1] East China Univ Sci & Technol, Sch Chem Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China
[2] Sinopec Luoyang Co, Luoyang, Peoples R China
[3] East China Univ Sci & Technol, Minist Educ, Key Lab Coal Gasificat & Energy Chem Engn, Shanghai, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2017年 / 35卷 / 06期
关键词：
Demulsification; desalination rate; electric desalination mechanism; light transmittance rate; rheological property; RECOVERY; PLANT; UNITS;
D O I：
10.1080/10916466.2017.1283520
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：
Solvent desalination with preferable economic efficiency is becoming an emerging technology. However, emulsion is still a tricky problem. This paper tried to apply electric field in crude oil desalination with ethylene glycol for the purpose of ameliorating emulsion and promoting a desalination rate. It was found that the salt content after primary electric desalination was 7.5 mg/L and the desalination rate approached 84% at 120 degrees C and 1,000 V/cm. The determination of rheological property and light transmittance rate was done to investigate the effect of field intensity and temperature on demulsification. The analysis of desalination mechanism indicated that dipolar and dielectrophoretic force played important roles in demulsification.
引用
收藏
页码：547 / 552
页数：6
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