期刊
TOPICS IN CURRENT CHEMISTRY
卷 380, 期 1, 页码 -出版社
SPRINGER INT PUBL AG
DOI: 10.1007/s41061-021-00362-6
关键词
Ionic liquids; Surfactant; Molecular structure; Interfacial tension; Critical micelle concentration
资金
- Bu-Ali Sina University
- Iran National Science Foundation (INSF)
The demand for lowering interfacial tension in different processes has led researchers to focus on surface-active ionic liquids (SAILs) due to their amphiphilic nature, recyclability, and high performance. Different types of SAILs have varying effects, with operating parameters playing a crucial role, and their applications in stabilization, separation, and the petroleum industry are significant. Challenges and potential directions for future research on SAILs are emphasized.
The demand for lowering interfacial tension (IFT) in different processes has persuaded researchers to use stable and resistant surfactants with low environmental impact. For this purpose, surface-active ionic liquids (SAILs) have attracted much attention owing to their good amphiphilic nature and prominent properties like recyclability and high performance under harsh conditions. This review initially explains how the IFT and critical micelle concentration of different systems vary in the presence of different SAILs with a variety of alkyl chain lengths, head groups, and counter anions. Towards this aim, some physicochemical properties of SAILs as well as the corresponding theoretical aspects of adsorption are considered. Then, recent advances in utilizing SAILs for reducing IFT of different chemical systems are surveyed. Relevantly, the role of important operating parameters of temperature, pH, presence of electrolytes, and the chemical nature of involved phases are adequately discussed. Further, an overview of different SAILs applications in stabilization, separation, and in petroleum industries is scrutinized. To allow better judgment, precise comparisons between different types of SAILs and conventional surfactants are provided. Finally, challenges and possible directions of future research on SAILs are highlighted.
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