The Formation, Stabilization and Separation of Oil-Water Emulsions: A Review

被引:55
|
作者
Tian, Ying [1 ,2 ]
Zhou, Jingjing [1 ,2 ]
He, Changqing [1 ,2 ]
He, Lin [1 ,2 ,3 ]
Li, Xingang [1 ,2 ,3 ]
Sui, Hong [1 ,2 ]
机构
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] Natl Engn Res Ctr Distillat Technol, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Zhejiang Inst, Ningbo 315201, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
oil-water emulsions; emulsification and demulsification; solid-stabilized emulsions; asphaltenes; demulsifiers; oily waste water; ASSISTED AQUEOUS EXTRACTION; SOLUBLE RANDOM COPOLYMER; ATOMIC-FORCE MICROSCOPY; CRUDE-OIL; IN-OIL; WASTE-WATER; CATIONIC SURFACTANT; INTERFACIAL-TENSION; PHASE-BEHAVIOR; EMULSIFYING PROPERTIES;
D O I
10.3390/pr10040738
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Oil-water emulsions are widely generated in industries, which may facilitate some processes (e.g., transportation of heavy oil, storage of milk, synthesis of chemicals or materials, etc.) or lead to serious upgrading or environmental issues (e.g., pipeline plugging, corrosions to equipment, water pollution, soil pollution, etc.). Herein, the sources, classification, formation, stabilization, and separation of oil-water emulsions are systematically summarized. The roles of different interfacially active materials-especially the fine particles-in stabilizing the emulsions have been discussed. The advanced development of micro force measurement technologies for oil-water emulsion investigation has also been presented. To provide insights for future industrial application, the separation of oil-water emulsions by different methods are summarized, as well as the introduction of some industrial equipment and advanced combined processes. The gaps between some demulsification processes and industrial applications are also touched upon. Finally, the development perspectives of oil-water treatment technology are discussed for the purpose of achieving high-efficiency, energy-saving, and multi-functional treatment. We hope this review could bring forward the challenges and opportunities for future research in the fields of petroleum production, coal production, iron making, and environmental protection, etc.
引用
收藏
页数:34
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