Evaluation of Temperature on the Methane Hydrates Formation Process Using Sodium Surfactin and Rhamnolipids

Antonio Pavón-García, Abel Zúñiga-Moreno, Ricardo García-Morales, Francisco Javier Verónico-Sánchez and Octavio Elizalde-Solis ()
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Antonio Pavón-García: Departamento de Ingeniería Química Petrolera and Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Ed. 8, Lindavista, Ciudad de México 07738, Mexico
Abel Zúñiga-Moreno: Laboratorio de Investigación en Fisicoquímica y Materiales, Departamento de Ingeniería Química Industrial, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Edif. Z-5, 2° piso, Unidad Profesional Adolfo López Mateos, Lindavista, Ciudad de México 07738, Mexico
Ricardo García-Morales: Departamento de Ingeniería Química Petrolera and Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Ed. 8, Lindavista, Ciudad de México 07738, Mexico
Francisco Javier Verónico-Sánchez: Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Carretera Lago de Guadalupe Km.3.5 Atizapán de Zaragoza Col. Margarita Maza de Juárez, Atizapán de Zaragoza 52926, Mexico
Octavio Elizalde-Solis: Departamento de Ingeniería Química Petrolera and Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Ed. 8, Lindavista, Ciudad de México 07738, Mexico

Energies, 2023, vol. 17, issue 1, 1-15

Abstract: The performance of chemical and biological additives in the methane hydrates formation and dissociation processes is of relevance for the development of gas-transport and gas-storage systems. The effect of sodium surfactin, rhamnolipids, and sodium dodecyl sulfate (SDS) on the methane hydrate formation process was assessed in this work at different temperatures and a fixed pressure of 50 bar. The studied parameters were induction time, methane uptake, period to reach 90 percent of the consumed gas, water-to-hydrate conversion, and formation rate. Concentrations for sodium surfactin were 3, 150, 750, 1500, 2000, and 2500 ppm, while rhamnolipids and SDS solutions were analyzed at 1500, 2000, and 2500 ppm. Performance testing of these additives was carried out by means of the isochoric–isothermal method. The experimental setup consisted of an isochoric three-cell array with 300 mL of capacity and magnetic stirring. According to the results, the sodium surfactin promoted the methane hydrate formation since the kinetics were higher and the water-to-hydrate conversion averaged 24.3%; meanwhile, the gas uptake increased as concentration was rising, and the induction time was reduced even at a temperature of 276.15 K.

Keywords: biosurfactant; formation–dissociation process; gas hydrates; methane; rhamnolipids; sodium surfactin; SDS (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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