Ultralow interfacial tension achieved by extended anionic surfactants with a short hydrophobic chain

Journal of Molecular Liquids, Год журнала: 2024, Номер 400, С. 124514 - 124514

Опубликована: Март 18, 2024

Язык: Английский

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Studies on interfacial interactions between extended surfactant and betaine by dilational rheology

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2025, Номер unknown, С. 136245 - 136245

Опубликована: Янв. 1, 2025

Язык: Английский

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Effect of Degree of Ethoxylation on the Surface and Thermal Properties of Polymeric Ionic Liquids for Oilfield Applications

Polymers, Год журнала: 2025, Номер 17(5), С. 580 - 580

Опубликована: Фев. 22, 2025

Worldwide energy needs are growing, requiring new extraction techniques for crude oil from old reservoirs. However, conventional chemicals face difficulties when exposed to harsh reservoir environments such as solubility in high saline water and heat stability under environments. This study investigates the potential of newly synthesized polymeric ionic liquids (PILs) alternative options. A series PILs was characterized by using NMR FTIR techniques. It noticed that a PIL without ethoxy groups exhibits precipitation therefore is not suitable oilfield applications. incorporation chemical structure leads excellent low salinity brine. The formation water, seawater, deionized well their thermal gravimetric analysis (TGA), assessed. In addition, surface properties, including critical micelle concentration (cmc), tension (γcmc), excess (Γmax), minimal area per molecule (Amin), free adsorption (ΔG°ads), micellization (ΔG°mic), were also evaluated. findings revealed adding led drop Γmax an increase Amin, suggesting reduced monolayer compactness at air/water interface. demonstrated remarkable solubility, stability, resistance salt, rendering them well-suited applications challenging

Язык: Английский

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Anionic-nonionic and nonionic mixed surfactant systems for oil displacement: Impact of ethoxylate chain lengths on the synergistic effect

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2023, Номер 678, С. 132436 - 132436

Опубликована: Сен. 20, 2023

Язык: Английский

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Study on the Properties of Compound Surfactants with PO Groups

Energies, Год журнала: 2024, Номер 17(2), С. 513 - 513

Опубликована: Янв. 20, 2024

The compound surfactant system has considerable development prospects for improving oil recovery. A synergistic effect can be achieved through the orderly arrangement of two surfactants on interface, which make up performance defects a single surfactant. In this paper, effects number propylene oxides (PO) in composite interfacial tension and emulsion stability were systematically studied. results showed that solubility was significantly improved under high-salinity conditions by adding anionic–nonionic to anionic shows V-shaped change first decreasing then increasing with increase PO groups. As groups increases, increases decreases. Among series surfactants, LBAS/C12PO10S lowest tension, reaching order 10−3 mN/m, formed it exhibits superior stability. This indicates adjusting Furthermore, mixed crude form Winsor III microemulsion, great potential application enhanced recovery via chemical flooding.

Язык: Английский

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Ethoxylated molybdenum disulphide based nanofluid for enhanced oil recovery

Petroleum Science, Год журнала: 2024, Номер 21(5), С. 3417 - 3427

Опубликована: Авг. 23, 2024

Despite advances in renewable energy sources, the world's current infrastructure and consumption patterns still heavily depend on crude oil. Enhanced oil recovery (EOR) is a crucial method for significantly increasing amount of extracted from mature declining fields. Nanomaterials have shown great potential improving EOR methods due to their unique properties, such as high surface area, tunable chemistry, ability interact at molecular level with fluids rock surfaces. This study examines use incorporating ethoxylated molybdenum disulfide three-dimensional flower-like morphology overcoming challenges associated reservoirs characterized by complex pore structures low permeability. The synthesized nanomaterial features chemical composition that encompasses polar ethoxy group linking nanosheets an alkylamine chain. promotes interactions water molecules through hydrogen bonding electrostatic forces, disrupting cohesive forces among reduction tension oil–water interface. As result, achieves ultra-low interfacial 10−3 mN/m. Core flooding experiments demonstrate significant approximately 70% concentration 50 ppm. research paves way design synthesis advanced extended surfactant-like nanomaterials, offering promising avenue enhancing efficiency.

Язык: Английский

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Novel polyethylene glycol-based cationic Gemini surfactants for enhancing oil displacement efficiency of silica nanoparticles fluids

Journal of Industrial and Engineering Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Апрель 1, 2025

Язык: Английский

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Enhancement effect and mechanism of extraction of carbon from coal gasification fine slag Combining colloidal gas aphrons with bubble

Chemical Engineering Journal, Год журнала: 2025, Номер 516, С. 164124 - 164124

Опубликована: Май 26, 2025

Язык: Английский

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Synergism for lowering interfacial tensions between betaines and extended surfactants: The role of self-regulating molecular size

Journal of Molecular Liquids, Год журнала: 2023, Номер 378, С. 121605 - 121605

Опубликована: Март 12, 2023

Язык: Английский

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Molecular Dynamics Simulations for Surfactant Research (A Review)

Petroleum Chemistry, Год журнала: 2023, Номер 63(8), С. 867 - 885

Опубликована: Авг. 1, 2023

Язык: Английский

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