期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 307, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molliq.2020.112928
关键词
Amphiphilic ionic liquid; Demulsification; Water in oil emulsions; Heavy crude oil
资金
- King Saud University, Vice Deanship of Scientific Research, Research Chairs
A new amphiphilic ionic liquid (IL) was prepared based on the glycolysis product of polyethylene terephthalate (PET) waste. Bis(2-hydroxyethyl) terephthalate (BHET) produced from glycolysis of PET was converted into bis (2-chloroethyl) terephthalate (BCET). The glycidyl 4-nonylphenyl ether (GNE) was reacted with ethanol amine (EA) to form the corresponding amine, 1-((2-hydroxyethyl)amino)-3-(4-nonylphenoxy)propan-2-ol, (HANP) and the formed amine was then ethoxylated using tetraethylene glycol (TEG) to form ethoxylated amine (EHANP). The EHANP was quaternized by BCET to form the corresponding ionic liquid (EHANP-IL). Following the synthesis, the chemical structure was confirmed by Fourier-transform infrared spectroscopy (FTIR), and proton nuclear magnetic resonance (H-1 NMR). The surface activity and dynamic light scattering (DLS) properties were also investigated. Further, the demulsification efficiencies of synthesized IL and EHANP was evaluated and found that the EHANP-IL was able to demulsify water-in-oil (W/O) emulsions with high efficiency than that of respective EHANP. (C) 2020 Elsevier B.V. All rights reserved.
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