Study of asphaltene adsorption onto raw surfaces and iron nanoparticles by AFM force spectroscopy

Castillo, Jimmy; Vargas, Vicmary; Piscitelli, Vincent; Ordoñez, Laura; Rojas, Humberto

doi:10.1016/j.petrol.2017.01.019

Cited by 30 publications

(17 citation statements)

References 31 publications

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“…Castillo et al proved that the size of adsorbents and their shape could influence the adsorption process. They observed great variances in interactions between adsorbed asphaltene with macro surfaces and NPs [27]. In another study, Franco-Aguirre et al used SiO 2 NPs with an anionic surfactant to alter the wettability of sandstone in gas-condensate reservoirs.…”

Section: Ph Of Solutionmentioning

confidence: 99%

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions

Khalilnezhad

Rezvani

Ganji

et al. 2019

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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Previous studies on Nanoparticles (NPs) application for Enhanced Oil Recovery (EOR) methods have revealed their effective role in the rock wettability alteration, relative Interfacial Tension (IFT) and oil viscosity reduction, formation and stabilization of the emulsions, and reduced asphaltene precipitation, which are all in direct relationship with oil/water interfacial properties. This study focuses on the interfacial properties of oil/water in the presence of Titania NPs and different ions at different pressures and temperatures. For this, different concentrations of TiO2 NPs in the Formation Water (FW) were prepared to monitor the effects of NPs on the oil/water IFT, carbonate rock wettability, zeta potential, and asphaltene adsorption. The results on IFT values indicated that NPs behavior at high pressures and temperatures is completely different, as compared to the ambient conditions, and 1000 ppm NPs introduced the lowest IFT at 600 psi and 60 °C. This reduction is potentially attributed to the asphaltene adsorption at the oil/water interface by TiO2 NPs, which hinders the asphaltene deposition at the interface and in turn IFT increasing. Contact angle results revealed two distinctive behaviors for NPs at high and low concentrations. In other words, with the first interval (below the optimum concentration), an increase in NPs concentration led to a quick wettability alteration toward the water-wet condition, and with the second one (above the optimum concentration), there was an increase in contact angle with an increase in NPs concentration, which is due to the NPs stacking near the rock surface. These results were in good accordance with zeta potential measurements, in which 1000 ppm nanofluid presented the highest stability (zeta potential value of −46.9 mV). Batch adsorption experiments resulted that catalytic TiO2 NPs are capable of adsorbing asphaltene at the oil/water interface. In addition, the results on fitting experimental data to the Langmuir and Freundlich Isotherms showed that the adsorption best fitted Langmuir Isotherm and hence the adsorption type is a monolayer.

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Section: Ph Of Solutionmentioning

confidence: 99%

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions

Khalilnezhad

Rezvani

Ganji

et al. 2019

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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show abstract

“…AFM technique is another way to analyze micro-and nanometer-scaled asphaltene aggregates [177] , heterogeneity, and surface force [180,181] . AFM showed that if asphaltenes was well dissolved, two surfaces absorbing asphaltene repelled each other due to steric repulsion of de Gennes model.…”

Section: Atomic Force Microscopy (Afm)mentioning

confidence: 99%

Asphaltenes: Separations, structural analysis and applications

Zuo

Shen

2019

Journal of Energy Chemistry

132

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“…Second, a greater amount of asphaltene is absorbed by the nanoparticles at higher temperatures. 48 3.6 Effect of shear rate on bitumen viscosity under different nanoparticle sizes Fig. 9 shows the variation in the bitumen viscosity in the presence of 2500 mg L À1 of TiO 2 nanoparticles and 1000 mg L À1 of CuO nanoparticles and with different sizes at 20 C and a shear rate range of 20-80 s À1 .…”

Section: Effect Of Sara Componentsmentioning

confidence: 99%

Characterization of bitumen and a novel multiple synergistic method for reducing bitumen viscosity with nanoparticles and surfactants

et al. 2020

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Study of asphaltene adsorption onto raw surfaces and iron nanoparticles by AFM force spectroscopy

Cited by 30 publications

References 31 publications

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions

Asphaltenes: Separations, structural analysis and applications

Characterization of bitumen and a novel multiple synergistic method for reducing bitumen viscosity with nanoparticles and surfactants

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Study of asphaltene adsorption onto raw surfaces and iron nanoparticles by AFM force spectroscopy

Cited by 30 publications

References 31 publications

A Complete experimental study of oil/water interfacial properties in the presence of TiO2 nanoparticles and different ions

A Complete experimental study of oil/water interfacial properties in the presence of TiO2 nanoparticles and different ions

Asphaltenes: Separations, structural analysis and applications

Characterization of bitumen and a novel multiple synergistic method for reducing bitumen viscosity with nanoparticles and surfactants

Contact Info

Product

Resources

About

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions

A Complete experimental study of oil/water interfacial properties in the presence of TiO₂ nanoparticles and different ions