Design and formulation of surfactant stabilized O/W emulsion for application in enhanced oil recovery: effect of pH, salinity and temperature

Kumar, Narendra; Ali, S.M. Farouq; Kumar, Amit; Mandal, Ajay

doi:10.2516/ogst/2020066

Cited by 15 publications

(2 citation statements)

References 58 publications

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“…Regardless of the amount of the mS/cm, a conductivity test can assist distinguish between the kind of emulsion generated, either O/W or W/O [24].…”

Section: Conductivity Analysismentioning

confidence: 99%

Natural Anti-Aging Formulations with UV/Photo-Protective Potential Containing Plant Derived Oils

Fatima,

Qamar-uz-Zaman,

Saleem

et al. 2024

International Journal of Scientific Advances

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Topical natural oil-based anti-aging o/w emulsions with UV protection capability were developed with the help of sesame (F1), black cumin (F2), flax (F3), and poppy seed oil (F4) and their combination(F5) having comparable SPF and antioxidant activities and their values were calculated using UV spectrophotometer and DPPH scavenging test respectively. Five separate formulations of all oils were made and stored at various storage temperatures, including 8°C, 25°C, 40°C and 40°C ± 75% RH. These formulations were then examined for stability at their storage parameters which involved changes in color, odor, phase separation, pH, conductivity, centrifugation as well as spreadability for two months, with tests being conducted after a particular duration. According to the experimental findings, the antioxidant activity of sesame, black cumin, flax, and poppy seed oil is 63%, 59%, 72%, and 47%, respectively while the combination formulation showed 76% activity. On day 60th at 40°C ± 75%RH, the SPF values of F1, F2, F3, F4 & F5 were 2.53, 6.26, 8.11, 6.09, and 12.01 respectively. F1 and F2 displayed a white-to-yellowish color change on the 60th day at 40°C ± 75%RH. No formulations showed odor change. Phase separation was seen in F1 and F2 after two months at 40°C, while F3, F4, and F5 were stable and their spreadability also increased with time at an elevated condition while the pH of all five formulations tended to decrease. The study results provided evidence that combining essential oils produces effective outcomes without affecting the emulsion system stability.

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“…Regardless of the amount of the mS/cm, a conductivity test can assist distinguish between the kind of emulsion generated, either O/W or W/O [24].…”

Section: Conductivity Analysismentioning

confidence: 99%

Natural Anti-Aging Formulations with UV/Photo-Protective Potential Containing Plant Derived Oils

Fatima,

Qamar-uz-Zaman,

Saleem

et al. 2024

International Journal of Scientific Advances

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“…In recent years, increasing oil production is crucial to deal with the global energy crisis. Only one-third of the crude oil in the reservoir can be exploited by conventional primary and secondary oil recovery methods . A tertiary oil recovery procedure is proposed to further utilize the rest of the oil, in which stable emulsions are used to improve the sweep efficiency after water flooding. − The addition of surfactants as emulsifiers makes emulsions more stable.…”

Section: Introductionmentioning

confidence: 99%

Effect of Fe(III) Species on the Stability of a Water-Model Oil Emulsion with an Anionic Sulfonate Surfactant as an Emulsifier

Zheng

Wang

et al. 2022

ACS Omega

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The stability of an emulsion has an important effect on enhancing oil recovery. However, the effect of ions with different valences on the stability of the emulsion emulsified by an ionic surfactant is not fully understood. In this study, the effects of Fe(III) species on the stability, microscopic morphology of droplets, interfacial properties, and rheological properties of water-model oil emulsions emulsified by sodium dodecyl benzenesulfonate (SDBS) were explored. The effect of Fe(III) species on the stability of a W/O crude oil emulsion was also explored. The stability experiment results show that the addition of the Fe(III) species impairs the stability of the model oil-in-water (O/W) emulsion, in which the O/W model oil emulsion is inverted to a water-in-model oil (W/O) emulsion at ∼99 ppm. With the increase of Fe(III) species concentration, stable W/O model oil and W/O crude oil emulsions are obtained. The rheological results indicated that the existence of the Fe(III) species has a remarkable effect on the viscosity and viscoelastic behaviors of the water-model oil emulsion. The calculation results based on Derjaguin−Landau−Verwey−Overbeek (DLVO) theory are in accord with the stability experiment results. Furthermore, the addition of EO groups makes the phase inversion point appear at a higher Fe(III) species concentration, forming a more stable W/O model oil emulsion and a more unstable O/W model oil emulsion. The experimental results are helpful to comprehensively understand the effect of Fe(III) species on the stability of an emulsion emulsified by an anionic sulfonate surfactant, which can help to enhance the oil recovery.

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Aided Porous Medium Emulsification for Functional Hydrogel Microparticles Synthesis

Khairallah,

Khoury

2024

Advanced Materials

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Despite the substantial advancement in developing various hydrogel microparticle (HMP) synthesis methods, emulsification through porous medium to synthesize functional hybrid protein–polymer HMPs has yet to be addressed. Here, the aided porous medium emulsification for hydrogel microparticle synthesis (APME‐HMS) system, an innovative approach drawing inspiration from porous medium emulsification is introduced. This method capitalizes on emulsifying immiscible phases within a 3D porous structure for optimal HMP production. Using the APME‐HMS system, synthesized responsive bovine serum albumin (BSA) and polyethylene glycol diacrylate (PEGDA) HMPs of various sizes are successfully synthesized. Preserving protein structural integrity and functionality enable the formation of cytochrome c (cyt c) – PEGDA HMPs for hydrogen peroxide (H2O2) detection at various concentrations. The flexibility of the APME‐HMS system is demonstrated by its ability to efficiently synthesize HMPs using low volumes (≈50 µL) and concentrations (100 µm) of proteins within minutes while preserving proteins’ structural and functional properties. Additionally, the capability of the APME‐HMS method to produce a diverse array of HMP types enriches the palette of HMP fabrication techniques, presenting it as a cost‐effective, biocompatible, and scalable alternative for various biomedical applications, such as controlled drug delivery, 3D printing bio‐inks, biosensing devices, with potential implications even in culinary applications.

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Design and formulation of surfactant stabilized O/W emulsion for application in enhanced oil recovery: effect of pH, salinity and temperature

Cited by 15 publications

References 58 publications

Natural Anti-Aging Formulations with UV/Photo-Protective Potential Containing Plant Derived Oils

Natural Anti-Aging Formulations with UV/Photo-Protective Potential Containing Plant Derived Oils

Effect of Fe(III) Species on the Stability of a Water-Model Oil Emulsion with an Anionic Sulfonate Surfactant as an Emulsifier

Aided Porous Medium Emulsification for Functional Hydrogel Microparticles Synthesis

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