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Surfactant Adsorption sentence examples within High Surfactant Adsorption
High surfactant adsorption remains a bottleneck for a field-wide implementation of surfactant floods.
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Historically, aqueous soluble surfactants have been widely used as stabilizers, though they suffer from slow propagation, relatively high surfactant adsorption and well injectivity issues.
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Surfactant Adsorption sentence examples within Anionic Surfactant Adsorption
The screening effect by high electrolyte concentration that damps an electric field near the charged soil surface is observed in an anionic surfactant adsorption on the negatively charged soil.
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The mechanism is based on anionic surfactant adsorption onto the bubbles generated in the aqueous alkaline earth metal solution.
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Surfactant Adsorption sentence examples within Inhibit Surfactant Adsorption
Transport and oil recovery tests of the nanocarriers systems in an unconsolidated sand porous medium test show that the SPSNP do inhibit surfactant adsorption onto sand particles surface and induced an increase of oil recovery of up to about 13% relative to the water flooding oil recovery, probably due to a synergistic effect between the nanoparticles and surfactant action at the water/oil interface.
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Transport and oil recovery tests of the nanocarriers systems in an unconsolidated sand porous medium test show that the SPSNP do inhibit surfactant adsorption onto sand particles surface and induced an increase of oil recovery of up to about 13% relative to the water flooding oil recovery, probably due to a synergistic effect between the nanoparticles and surfactant action at the water/oil interface.
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Surfactant Adsorption sentence examples within Affect Surfactant Adsorption
It is essential to evaluate the crucial factors that affect surfactant adsorption on rock surfaces to eliminate the total economic losses of surfactant retention and adsorption in porous media.
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The adsorption isotherms reveal that changes in the solution pH or salinity affect surfactant adsorption in competing ways.
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Surfactant Adsorption sentence examples within Reducing Surfactant Adsorption
The effectiveness of ZrO2 nanoparticles in reducing surfactant adsorption was then compared with the performance of SiO2 nanoparticles.
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The stabilization of foam at reservoir conditions, together with reducing surfactant adsorption on the rock minerals are the major challenges facing this technique.
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Surfactant Adsorption sentence examples within Reduced Surfactant Adsorption
The relative contribution of surfactant dysfunction to the alterations in lung mechanics is most clearly seen in the animals receiving the fat-rich diet, as demonstrated by significantly reduced surfactant adsorption, increased hysteresis, and altered pressure–volume curves.
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This can be attributed to the combination of different mechanisms such as wettability modification by EW, ultralow interfacial tension by alkali and surfactant, reduced surfactant adsorption by alkali addition, and favorable mobility ratio by polymer.
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Surfactant Adsorption sentence examples within Vium Surfactant Adsorption
We hypothesize that surface-oxidized aluminum gallium nitride ((oxidized-AlGaN)/GaN) surface charge behavior is different to unoxidized AlGaN (with ultrathin native oxide only), which can be validated via surfactant adsorption.
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A description has been given for the formation of particular micelles via surfactant adsorption on their cores, the role of which is played by monomers and dimers of phthalocyanines.
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Surfactant Adsorption sentence examples within Lower Surfactant Adsorption
Adding alkali to surfactant-polymer (SP) floods lowers surfactant adsorption/retention, but alkali has several key challenges that prevent operators from adopting it as the universal chemical EOR technique.
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Hybrid designs proved to be more effective in recovering residual oil because of better mobility control, reduced capillary trapping, wettability modification, lower surfactant adsorption, and ultra-low interfacial tension (IFT).
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Surfactant Adsorption sentence examples within surfactant adsorption onto
The challenges associated with their implementations such as fines migration for LSW flooding, surfactant adsorption onto the pore walls, and instability of NPs under harsh conditions, have also been identified in literature and addressed.
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The results confirmed the biosurfactant adsorption onto the hematite surface, and the biosurfactant decreased the surface tension of the water/gas interface.
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Surfactant Adsorption sentence examples within surfactant adsorption layer
The aim of the current study is to analyse the subtle interplay between the hydrodynamic conditions and the surfactant adsorption layers formed during foaming.
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Surface phase transitions in surfactant adsorption layers are known to affect the dynamic properties of foams and to induce surface nucleation in freezing emulsion drops.
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Surfactant Adsorption sentence examples within surfactant adsorption lead
Surfactant adsorption leads to modification of wetting state of reservoirs, but it is dependent on the type of surfactant.
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At high ionic strength, increased surfactant adsorption leads to such a low oil-water surface tension that the oil droplets can permeate through the much smaller membrane pores.
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Surfactant Adsorption sentence examples within surfactant adsorption rate
The FT-IR and XRD analyses showed that the surfactant is in strong interaction with montmorillonite for a surfactant adsorption rate lower than the CEC, and that the orientation of the surfactant molecules on the surface of the clay changes with the amount adsorbed to CP-Cl, especially for an adsorbed amount greater than the CEC.
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The results obtained from column experiments performed under high flow rate combined with high surfactant concentration provided the best conditions for high surfactant recovery in the effluent and low surfactant adsorption rate onto the sand.
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Surfactant Adsorption sentence examples within surfactant adsorption isotherm
Conventional dispersion approaches, such as surface treatment of the sheets either by surfactant adsorption or by chemical modification, may prevent aggregation.
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The FT-IR and XRD analyses showed that the surfactant is in strong interaction with montmorillonite for a surfactant adsorption rate lower than the CEC, and that the orientation of the surfactant molecules on the surface of the clay changes with the amount adsorbed to CP-Cl, especially for an adsorbed amount greater than the CEC.
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The effectiveness of ZrO2 nanoparticles in reducing surfactant adsorption was then compared with the performance of SiO2 nanoparticles.
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The relative contribution of surfactant dysfunction to the alterations in lung mechanics is most clearly seen in the animals receiving the fat-rich diet, as demonstrated by significantly reduced surfactant adsorption, increased hysteresis, and altered pressure–volume curves.
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This paper is dedicated to the selection of the most effective way of mitigating surfactant adsorption in chemical EOR flooding.
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Therefore, a better understanding of the surfactant adsorption is the key to optimise the flotation process and improve separation efficiency.
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The equilibrium between surfactant adsorption and contaminants desorption was studied.
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We hypothesize that surface-oxidized aluminum gallium nitride ((oxidized-AlGaN)/GaN) surface charge behavior is different to unoxidized AlGaN (with ultrathin native oxide only), which can be validated via surfactant adsorption.
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High surfactant adsorption remains a bottleneck for a field-wide implementation of surfactant floods.
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The surfactant adsorption could lead to a decrease in the adhesion force and friction force.
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The challenges associated with their implementations such as fines migration for LSW flooding, surfactant adsorption onto the pore walls, and instability of NPs under harsh conditions, have also been identified in literature and addressed.
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While past studies have shown that interfacial mass transfer, the kinetics of surfactant adsorption and desorption, interfacial mobility, and surfactant reorganization regulate the dynamic properties of surfactant-laden interfaces, few simple methods permit simultaneous monitoring of this interplay.
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The nanofluid properties including stability, surfactant critical micelle concentration (CMC), Interfacial tension (IFT), and surfactant adsorption were studied that in each case, the synergistic effect of nanoparticles as adjacent particles along with surfactant molecules in the solution with respect to electrostatic and capillary forces has been discussed.
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The initial formation of the nano-sized droplets in the former was ascribed to a unique mechanism of droplet formation in MAGIQ-the droplets are first formed by the phase separation of homogeneous binary solutions of oil in supercritical water and then stabilized upon surfactant adsorption.
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The optimal surfactant adsorption quantity in the oil-wet sandstone was observed in the sample at concentrations ranging from 0.
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The stabilization of foam at reservoir conditions, together with reducing surfactant adsorption on the rock minerals are the major challenges facing this technique.
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Here, the fundamental phenomena involved in non-ionic surfactant adsorption on organoclays and how it affects the rheology of synthetic-based drilling fluids were elucidated by the analysis of molecular descriptors and Monte Carlo simulations.
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This can be attributed to the combination of different mechanisms such as wettability modification by EW, ultralow interfacial tension by alkali and surfactant, reduced surfactant adsorption by alkali addition, and favorable mobility ratio by polymer.
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The results show that surfactant adsorption can increase the product of interfacial tension and the cosine of the contact angle, and the increased capillary pressure in pores leads to a faster imbibition rate.
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This project will focus on utilizing the lignosulfonate (LS) from coconut husk as a sacrificial agent to reduce the surfactant adsorption.
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Surfactant adsorption and ion exchange on calcite surfaces are investigated by means of flooding experiments in Estaillades limestone cores.
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Many interesting observations related to surfactant adsorption isotherm studies reported by various research groups have been covered in this review.
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The surfactant adsorption on carbonate rock was also studied.
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Surfactant adsorption is a major problem encountered with the surfactant polymer flooding.
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Adding alkali to surfactant-polymer (SP) floods lowers surfactant adsorption/retention, but alkali has several key challenges that prevent operators from adopting it as the universal chemical EOR technique.
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At the end, this review discusses strategies related with surfactant cost, surfactant adsorption, and challenges at high temperature, high salinity reservoirs conditions.
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Emulsion polymerization presents the disadvantage that the physical properties of polymer particles are altered by surfactant adsorption.
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This review focuses on the key issue of surfactant adsorption in cEOR and addresses major concerns regarding surfactant adsorption processes.
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A description has been given for the formation of particular micelles via surfactant adsorption on their cores, the role of which is played by monomers and dimers of phthalocyanines.
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A comprehensive description of various surfactants architect, applications, and their corresponding influence on the interfacial tension reduction (IFT), wettability alteration, emulsion and microemulsion phase behaviors, surfactant adsorption are also included.
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The results confirmed the biosurfactant adsorption onto the hematite surface, and the biosurfactant decreased the surface tension of the water/gas interface.
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The surfactant adsorption effects on the nanoparticle morphology and the nanoparticle properties are studied.
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We develop a theory of Marangoni boat propulsion starting from low Reynolds numbers by analyzing the coupled problems of surfactant diffusion and advection and fluid flow, which includes surfactant-induced fluid Marangoni flow, and surfactant adsorption at the air–water interface; we also include a possible evaporation of surfactant.
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Historically, aqueous soluble surfactants have been widely used as stabilizers, though they suffer from slow propagation, relatively high surfactant adsorption and well injectivity issues.
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The results also highlight the importance of surfactant adsorption and surfactant concentration for the hybrid surfactant-EWI technique.
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Surfactant adsorption (AUC = 0.
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It is essential to evaluate the crucial factors that affect surfactant adsorption on rock surfaces to eliminate the total economic losses of surfactant retention and adsorption in porous media.
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The mechanisms underlying surfactant adsorption to the surface of metakaolin are proposed.
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The results obtained from column experiments performed under high flow rate combined with high surfactant concentration provided the best conditions for high surfactant recovery in the effluent and low surfactant adsorption rate onto the sand.
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The interfacial tension gradient caused by the surfactant adsorption at the drop surface generates surface forces exerted within the boundary region of the drop.
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Upon the addition of NaCl, an increase in AOT surface density is detected at both interfaces, indicating that repulsive electrostatic interactions between AOT monomers are the dominant force limiting surfactant adsorption at both interfaces.
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The obtained results show that the interactions in the examined mixtures change with the increase of the surfactant concentration in the solution and the surfactant adsorption capacity onto the electrode surface decreases over time and after micellization.
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To study the implication of crystallographic orientation to surfactant adsorption, we used Aerosol 22 (sulfosuccinamate) as an anionic collector for cassiterite flotation to functionalize the different samples at pH 3.