Multifaceted insights into the molecular interactions of tetraalkylammonium-based quaternary ammonium salts with cetyltrimethylammonium bromide: unraveling structural, thermodynamic, and antibacterial effects

Negi, Kiran; Chauhan, Suvarcha

doi:10.1080/01932691.2024.2315482

Journal of Dispersion Science and Technology

2024

DOI: 10.1080/01932691.2024.2315482

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Multifaceted insights into the molecular interactions of tetraalkylammonium-based quaternary ammonium salts with cetyltrimethylammonium bromide: unraveling structural, thermodynamic, and antibacterial effects

Kiran Negi,

Suvarcha Chauhan

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2024

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Cited by 2 publications

References 65 publications

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Dynamic insights of volumetric and viscometric exploration of Surfactant-QAs behavior in aqueous medium at varied temperatures; molecular docking and antimicrobial perspectives“

Negi,

Chauhan

2024

Journal of Molecular Liquids

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Dynamic insights of volumetric and viscometric exploration of Surfactant-QAs behavior in aqueous medium at varied temperatures; molecular docking and antimicrobial perspectives“

Negi,

Chauhan

2024

Journal of Molecular Liquids

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Formulation of Polymer-Augmented Surfactant-Based Oil–Water Microemulsions for Application in Enhanced Oil Recovery

Ray,

Jangid,

Joshi

et al. 2024

ACS Omega

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This research explores the development of engineered oil−water microemulsions stabilized by a synergistic combination of polymer and surfactant to enhance stability and interfacial properties for improved enhanced oil recovery (EOR). Conventional surfactant-stabilized emulsions often suffer from phase instability and limited wettability alteration during water flooding and chemical injection, hindering the EOR efficiency. In contrast, our formulations incorporating polymers significantly increase the emulsion viscosity and resilience to temperature fluctuations, resulting in enhanced phase stability. Experimental investigations reveal that while the water-microemulsion interfacial tension (IFT) increases with salinity, the oil-microemulsion IFT decreases substantially, achieving an optimal IFT of 4.43 × 10 −4 mN/m at balanced salinity levels. The microemulsions exhibit remarkable stability across varying temperatures, successfully transitioning between Winsor type II and III phases, which is critical for effective EOR applications. Notably, the addition of polymers enhances the viscosity of the surfactant-stabilized emulsion from 50 mPa•s at a shear rate of 10 s −1 to 300 mPa•s, significantly improving emulsion stability, as confirmed by measured zeta potential values of −31.1 mV for the surfactant system and −33.2 mV for the polymer-augmented surfactant system. These enhancements contribute to improved sweep efficiency during the oil recovery processes. Furthermore, the microemulsions effectively alter the sandstone wettability from oil-wet to water-wet, promoting better oil displacement. Core flooding experiments demonstrate that injecting one pore volume of the polymeraugmented surfactant-stabilized microemulsion results in an additional 20.58% oil recovery compared with conventional water flooding.

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Multifaceted insights into the molecular interactions of tetraalkylammonium-based quaternary ammonium salts with cetyltrimethylammonium bromide: unraveling structural, thermodynamic, and antibacterial effects

Cited by 2 publications

References 65 publications

Dynamic insights of volumetric and viscometric exploration of Surfactant-QAs behavior in aqueous medium at varied temperatures; molecular docking and antimicrobial perspectives“

Dynamic insights of volumetric and viscometric exploration of Surfactant-QAs behavior in aqueous medium at varied temperatures; molecular docking and antimicrobial perspectives“

Formulation of Polymer-Augmented Surfactant-Based Oil–Water Microemulsions for Application in Enhanced Oil Recovery

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