Thermo‐Rheology of a Proline‐Based Surface‐Active Ionic Liquid: Mixtures with Water and n ‐Octane

Autor:	Ana Soto, Raquel Corchero, Ramón Moreira, Iria Rodríguez-Escontrela, María Dolores Torres
Rok vydání:	2019
Předmět:	Thixotropy Materials science General Chemical Engineering 02 engineering and technology General Chemistry 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering Viscoelasticity chemistry.chemical_compound 020401 chemical engineering Rheology chemistry Chemical engineering Pulmonary surfactant Ionic liquid Thermal Enhanced oil recovery 0204 chemical engineering 0210 nano-technology Ternary operation
Zdroj:	Chemical Engineering & Technology. 42:1952-1959
ISSN:	1521-4125 0930-7516
DOI:	10.1002/ceat.201800269
Popis:	Surfactant flooding is one of the most promising techniques to recover oil from unprofitable reservoirs. Surface-active ionic liquids can overcome the limitations of the current surfactants. The rheology of the injecting solutions and the formed slugs is critical in the evaluation of an enhanced oil recovery process. The thermo-rheological behavior of a biodegradable surface-active ionic liquid, [ProC4]DS, and the corresponding binary and ternary mixtures with water and n-octane was studied. All flow curves exhibited shear-thinning and thixotropic behavior. The viscoelastic behavior of the ternary samples depended strongly on the [ProC4]DS content. Three different regions were identified: typical liquid-like behavior, weak gel, and true gel. The thermal profiles indicated that the tested systems were fully thermoreversible.
Databáze:	OpenAIRE
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