Surfactant Adsorption Kinetics

Mucic, N.; Javadi, Aliyar; Karbaschi, Mohsen; Sharipova, А.; Fainerman, V. B.; Aksenenko, E. V.; Kovalchuk, N. M.; Miller, R.

doi:10.1007/978-3-642-20665-8_72

Cited by 4 publications

(4 citation statements)

References 80 publications

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“…Such kinetic stability can also be achieved by exploiting surfactants, which are amphiphilic molecules stabilizing droplets by lowering interfacial tension and eliciting Marangoni stresses [6]. The role of surfactants and amphiphiles in general in lowering interfacial tension [7][8][9][10][11], their adsorption behavior as well as the interface behavior both in static and dynamic conditions [12][13][14][15][16][17][18][19][20][21][22][23][24][25] have been widely studied. Emulsions having fine droplet size are more stable against phase separation and widely exploited in application also due to their capability to incorporate hydrophilic or hydrophobic species.…”

Section: Introductionmentioning

confidence: 99%

Phase inversion emulsification: Current understanding and applications

Perazzo

Preziosi

Guido

2015

Advances in Colloid and Interface Science

209

121

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Section: Introductionmentioning

confidence: 99%

Phase inversion emulsification: Current understanding and applications

Perazzo

Preziosi

Guido

2015

Advances in Colloid and Interface Science

209

121

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“…Several researchers analyzed adsorption to liquid–liquid interfaces by relating the profile of the IFT curve and the equilibrium tension to relaxation phenomena and surface excess concentration or coverage of adsorbents. The great number of adsorption isotherms and equations of state for surfactants alone demonstrate the divergent behavior of IFT to adsorption. − For nanoparticles without surfactants, Du et al showed that the adsorption energies of individual particles to the oil–water interface can be treated as additive to the overall interfacial energy of the bare interface by assuming that no interactions occur between interfacially adsorbed particles until a close-packed layer is formed (as indicated by no further decrease in IFT upon increasing particle concentration). The consistency of this approach was validated using optical microscopy for microparticles.…”

Section: Introductionmentioning

confidence: 99%

Reversible Adsorption of Nanoparticles at Surfactant-Laden Liquid–Liquid Interfaces

et al. 2019

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In this study, we show that hydrophilic nanoparticles can readily desorb from liquid−liquid interfaces in the presence of surfactants that do not change the wettability of the particles. Our observations are based on a simple theoretical approach to assess the number of adsorbed particles at the surfactant-laden liquid−liquid interface. We test this approach by studying the interfacial self-assembly of equally charged particles and lipids dissolved in separate immiscible phases. Hence, we investigate the interfacial adsorption of aminated silica particles (80 nm) and octadecylamine to the decane/water interface by interfacial tension measurements, which are supplemented by interfacial rheology of the adsorbed interfacial films, scanning electron microscopy images of Langmuir−Blodgett films, and measurements of the three-phase contact angle of the particle surface in the presence of surfactants. The measurements show that particles adsorb at the surfactant-laden interface at all investigated surfactant concentrations and compete with the surfactants for interfacial coverage. Additionally, the wettability of the hydrophilic particles does not change in the presence of the lipids, except for the highest investigated lipid concentration. Comparing the adsorption energies of one particle and of the lipids as a function of the particle contact angle provides an estimate of the tendency for interfacial adsorption of particles from which the particle coverage can be assessed. Based on these findings, equally charged particles and lipids show a competitive behavior at the interface determined by the bulk surfactant concentration and the attachment energies of the particles at the interface. This leads to a simple mechanistic model demonstrating that particles can readily desorb from the interface due to direct displacement by surfactants, which are loosely adsorbed at the oil-facing particle side. This mechanism critically lowers the otherwise high interfacial energy barrier against particle desorption, which otherwise would lead to virtually irreversible particle attachment at the interface.

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“…Adsorption test is conducted to measure absorbed fluids from the surface of formation rock [10]. Adsorption is generally divided into two stages, namely static and dynamic adsorptions.…”

Section: Literature Studymentioning

confidence: 99%

The effect of fir wood SLS surfactant concentration on the characteristics of light crude oil

Suparmanto,

Setiati,

Taufiq Fathaddin

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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As time progresses, oil production will gradually depletes considering limited oil reserves. This is why, an advanced stage method known as tertiary oil recovery is required. One of these methods is known as Enhanced Oil Recovery method. In this laboratory study, one specific surfactant fluid was used, namely Fir wood sodium lignosulfonate (SLS) with varying concentrations of 0.50; 1.00; 1.50; 2.00; 2.50; and 3.00% each crude oil 39 ° API. This study aims to witness the stability of SLS surfactant fluid in chemical injection. SLS surfactant injection is carried out to increase oil production in the reservoir. In this study, there are various stages in order to test the characteristics of the SLS surfactant, so it can be declared as effective in oil sweeping, namely phase behaviour test, density testing, phase behaviour test, interfacial tension test, and adsorption test. Density test is carried out to determine the density of a fluid. Phase behaviour test is intended to see the stability of emulsion obtained from the utilization of SLS surfactant. The main objective of surfactant utilization is to reduce interfacial tension which leads to IFT test. The IFT (interfacial tension) results of the SLS surfactant fluid are determined from the results of the stable phase behaviour test which evidently shows the critical micelle concentration (CMC) point, so it can properly reduce the interfacial tension of oil and formation water in the reservoir. Interfacial tension test was carried out to determine the interfacial tension between SLS surfactant and oil. Adsorption test is carried out to witness the level of fluid adsorption onto the rock surface. On static adsorption test, the result showed for 2 % surfactant concentration is 9.526 mg/gr. Dynamic adsorption test was conducted on the same concentration show results of respectively 1.865 mg/gr.

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Surfactant Adsorption Kinetics

Cited by 4 publications

References 80 publications

Phase inversion emulsification: Current understanding and applications

Phase inversion emulsification: Current understanding and applications

Reversible Adsorption of Nanoparticles at Surfactant-Laden Liquid–Liquid Interfaces

The effect of fir wood SLS surfactant concentration on the characteristics of light crude oil

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