naa a22 4500 510821782 CHVBK 20180411083536.0 cr unu---uuuuu 180411e20131101xx s 000 0 eng 10.1007/s11814-013-0137-1 doi (NATIONALLICENCE)springer-10.1007/s11814-013-0137-1 Ionic liquids as novel surfactants for potential use in enhanced oil recovery [Elektronische Daten] [Mohammed Benzagouta, Inas AlNashef, Wimpy Karnanda, Khalid Al-Khidir] The screening and use of benign chemicals for enhanced oil recovery (EOR) applications is important because of their properties and relationship to the embedded fluids. We investigated a special type of ionic liquids (ILs) called "Ammoeng” for potential use in surfactant EOR to replace the currently used surfactants that have many disadvantages. The interfacial tension (IFT) between a representative oil sample from Saudi reservoirs and solutions of Ammoeng™ ILs at different concentrations in 10 wt% NaCl aqueous solutions were measured as a function of temperature. It was found that the IFT values decreased with the increase of IL concentration. However, the effect of temperature on the IFT depended on the type of IL. Ammoeng™ 102 gave the lowest IFT values among the screened ILs. The comparison of the results to those resulting from TritonX100, a commercially used surfactant, showed that the IFT values using Ammoeng™ 102 were smaller than the corresponding values when TritonX100 was used at the same conditions. The possibility of having a synergetic effect when using a mixture of Ammoeng™ 102 and Triton X 100 was also investigated. The results showed that the IFT values depended on the total concentration, the surfactant to IL mass ratio, and the temperature. Korean Institute of Chemical Engineers, Seoul, Korea, 2013 Enhanced Oil Recovery nationallicence Interfacial Tension nationallicence Ionic Liquids nationallicence Ammoeng 102 nationallicence Triton X-100 nationallicence Benzagouta Mohammed Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut AlNashef Inas Department of Chemical Engineering, King Saud University, Riyadh, Kingdom of Saudi Arabia aut Karnanda Wimpy Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut Al-Khidir Khalid Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/11(2013-11-01), 2108-2117 0256-1115 30:11<2108 2013 30 11814 https://doi.org/10.1007/s11814-013-0137-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11814-013-0137-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Benzagouta Mohammed Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut NATIONALLICENCE 700 1- AlNashef Inas Department of Chemical Engineering, King Saud University, Riyadh, Kingdom of Saudi Arabia aut NATIONALLICENCE 700 1- Karnanda Wimpy Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut NATIONALLICENCE 700 1- Al-Khidir Khalid Department of Petroleum and Natural Gas Eng, King Saud University, Riyadh, Saudi Arabia aut NATIONALLICENCE 773 0- Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/11(2013-11-01), 2108-2117 0256-1115 30:11<2108 2013 30 11814 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer