Phase Behaviour of Surface Active Ionic Liquids for Enhanced Oil Recovery
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| Title: | Phase Behaviour of Surface Active Ionic Liquids for Enhanced Oil Recovery |
| Author: | Rodríguez Escontrela, Iria |
| Advisor: | Soto Campos, Ana María |
| Affiliation: | Universidade de Santiago de Compostela. Centro Internacional de Estudos de Doutoramento e Avanzados (CIEDUS) Universidade de Santiago de Compostela. Escola de Doutoramento Internacional en Ciencias e Tecnoloxía Universidade de Santiago de Compostela. Programa de Doutoramento en Enxeñaría Química e Ambiental |
| Subject: | Surface active ionic liquids | Interfacial tension | Enhanced Oil Recovery | Phase behaviour | |
| Date of Issue: | 2017 |
| Abstract: | Chemical flooding with surfactants is well known to have huge potential in Enhanced Oil Recovery (EOR) processes. One of the main challenges for surfactant EOR is finding a surfactant or a surfactant blend able to generate a Winsor Type III microemulsion. The main objective of this thesis is to obtain optimal formulations with surface active ionic liquids (SAILs) able to improve current surfactant EOR methods. To achieve this goal, the phase behaviour of a set of SAILs or blends containing a SAIL has been studied in the presence of water or brine and oil at different temperatures and atmospheric pressure. Based on the results obtained, a formulation containing a blend of IOS15-18 and [C12mim]Br is suggested as the best option, since an ultra-low interfacial tension was achieved and an injectable optimal formulation, tolerant to divalent ions, was found at a particular salinity. |
| URI: | http://hdl.handle.net/10347/16499 |
| Rights: | Esta obra atópase baixo unha licenza internacional Creative Commons BY-NC-ND 4.0. Calquera forma de reprodución, distribución, comunicación pública ou transformación desta obra non incluída na licenza Creative Commons BY-NC-ND 4.0 só pode ser realizada coa autorización expresa dos titulares, salvo excepción prevista pola lei. Pode acceder Vde. ao texto completo da licenza nesta ligazón: https://creativecommons.org/licenses/by-nc-nd/4.0/deed.gl |
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Except where otherwise noted, this item's license is described as Esta obra atópase baixo unha licenza internacional Creative Commons BY-NC-ND 4.0. Calquera forma de reprodución, distribución, comunicación pública ou transformación desta obra non incluída na licenza Creative Commons BY-NC-ND 4.0 só pode ser realizada coa autorización expresa dos titulares, salvo excepción prevista pola lei. Pode acceder Vde. ao texto completo da licenza nesta ligazón: https://creativecommons.org/licenses/by-nc-nd/4.0/deed.gl