Influence of natural L-amino acids on the interfacial tension of an oil-water system and rock wettability alterations

Atta, Dennis Yaw; Negash, Berihun Mamo; Yekeen, Nurudeen; Habte, Azeb Demisi; Malik, Azlinda Binti Abdul

doi:10.1016/j.petrol.2020.108241

Cited by 15 publications

(9 citation statements)

References 43 publications

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“…The thin rock slices were then polished with silicon carbide abrasive paper (sandpaper) to obtain flat and smooth surfaces. A part of the rock sample was also crushed for characterization of the sandstone outcrop as done previously . The sandstone outcrop sample was characterized to obtain its chemical and elemental composition using X-ray fluorescence (XRF) (model Bruker; S8 Tiger).…”

Section: Methodsmentioning

confidence: 99%

“…A part of the rock sample was also crushed for characterization of the sandstone outcrop as done previously. 34 The sandstone outcrop sample was characterized to obtain its chemical and elemental composition using X-ray fluorescence (XRF) (model Bruker; S8 Tiger). The composition was then confirmed by X-ray diffraction (XRD) (model X'Pert 3 Powder & Empyrean, PANalytical).…”

Section: Methodsmentioning

confidence: 99%

“…Among the proposed alternatives, organic alkalis have been proposed as an alternative to inorganic alkalis. Monoethanolamine (ETA) has proven to be very promising among organic alkalis and has been studied extensively. − ,− Natural resource-based surfactants that are biocompatible and biodegradable have also been proposed in place of conventional surfactants. − Surface-active ionic liquids have also been proposed as an alternative to conventional surfactants in high-temperature and high-salinity reservoirs. , …”

Section: Introductionmentioning

confidence: 99%

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Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

et al. 2021

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The development of combinatory flooding has evolved over the years to utilize the synergies that come into play upon combining more than one chemical agent in a chemical flooding process. This study focuses on investigating the synergies that exist in combining monoethanolamine (ETA) and sodium cocoyl alaninate (SCA) as an alkali–surfactant (AS) formulation for the enhanced oil recovery process. A conventional formulation made of sodium carbonate (Na2CO3) and sodium dodecyl sulfate (SDS) was used for a comparative purpose. The proposed formulation proved to be compatible with the prepared hard brine. The ETA–SCA combination proved superior to Na2CO3–SDS in interfacial tension (IFT) reduction and wettability alteration. Addition of ETA to SCA synergistically reduced IFT to a low value of 4.73 × 10–2 mN/m at a surfactant concentration lower than the critical micelle concentration (CMC). ETA also played a synergistic role in improving the wetting power of SCA on quartz surface. The formulation also showed a high emulsifying ability owing to its superior IFT reduction capability. Static adsorption studies showed SCA to exhibit Langmuir-type adsorption behavior similar to SDS. The adsorption of SCA onto a sand surface was favorable, but ETA proved to reduce adsorption of SCA effectively at 0.3 wt %. The ETA–SCA and Na2CO3–SDS systems achieved additional oil recoveries of 31 and 25% original oil in place (OOIP) over conventional core flooding, respectively. The proposed AS formulation, therefore, showed better recovery potential in addition to its environmentally friendly nature.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

et al. 2021

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“…5(a)), suggesting a hydrophobic monolayer on the solid surface. 70 However, the contact angle was then decreased upon increasing the surfactant concentration above 0.6 mM, which indicated the transformation from monolayer to bilayer/hemimicelle adsorption. 41,47 Fig.…”

Section: Resultsmentioning

confidence: 99%

CO₂-responsive surfactants for switchable Pickering emulsions with a recyclable aqueous phase

Jiang

Liu

2022

Green Chem.

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“…The solvent selection has already been made in Section 4.1 , so for the solutes Arg and APAP water seems ideal as a solvent in an FEP tubing with regard to the slug flow stability and slug shape. The solute influences the contact angle depending on the hydrophobicity of the amino acid side chain and the structure of the molecule [ 72 , 73 ]. The measured

stat of the saturated aqueous solutions of both solutes on the FEP tubing material result in

stat,Arg = 93.26 ± 1.22° and

stat,APAP = 90.61 ± 1.62°.…”

Section: Strategy For Solvent Selectionmentioning

confidence: 99%

Strategy for Fast Decision on Material System Suitability for Continuous Crystallization Inside a Slug Flow Crystallizer

et al. 2022

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There is an increasing focus on two-phase flow in micro- or mini‑structured apparatuses for various manufacturing and measurement instrumentation applications, including the field of crystallization as a separation technique. The slug flow pattern offers salient features for producing high-quality products, since narrow residence time distribution of liquid and solid phases, intensified mixing and heat exchange, and an enhanced particle suspension are achieved despite laminar flow conditions. Due to its unique features, the slug flow crystallizer (SFC) represents a promising concept for small-scale continuous crystallization achieving high-quality active pharmaceutical ingredients (API). Therefore, a time-efficient strategy is presented in this study to enable crystallization of a desired solid product in the SFC as quickly as possible and without much experimental effort. This strategy includes pre-selection of the solvent/solvent mixture using heuristics, verifying the slug flow stability in the apparatus by considering the static contact angle and dynamic flow behavior, and modeling the temperature-dependent solubility in the supposed material system using perturbed‑chain statistical associating fluid theory (PC‑SAFT). This strategy was successfully verified for the amino acids l‑alanine and l‑arginine and the API paracetamol for binary and ternary systems and, thus, represents a general approach for using different material systems in the SFC.

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Influence of natural L-amino acids on the interfacial tension of an oil-water system and rock wettability alterations

Cited by 15 publications

References 43 publications

Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

CO₂-responsive surfactants for switchable Pickering emulsions with a recyclable aqueous phase

Strategy for Fast Decision on Material System Suitability for Continuous Crystallization Inside a Slug Flow Crystallizer

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Influence of natural L-amino acids on the interfacial tension of an oil-water system and rock wettability alterations

Cited by 15 publications

References 43 publications

Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

Investigation into the Oil Recovery Process Using an Organic Alkali–Amino Acid-Based Surfactant System

CO2-responsive surfactants for switchable Pickering emulsions with a recyclable aqueous phase

Strategy for Fast Decision on Material System Suitability for Continuous Crystallization Inside a Slug Flow Crystallizer

Contact Info

Product

Resources

About

CO₂-responsive surfactants for switchable Pickering emulsions with a recyclable aqueous phase