A review of ionic liquids: Recent synthetic advances and oilfield applications

Hussain, Syed Muhammad Shakil; Adewunmi, Ahmad A.; Alade, Olalekan Saheed; Murtaza, Mobeen; Mahboob, Ahmad; Khan, Hasan J; Mahmoud, Mohamed; Kamal, Muhammad Shahzad

doi:10.1016/j.jtice.2023.105195

Cited by 25 publications

(9 citation statements)

References 223 publications

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“…The inhibitory effectiveness of WBDF can be increased by combining multiple shale inhibitors. 125 Shale swelling is typically prevented by two methods: mechanical and chemical inhibition. During mechanical inhibition, the inhibitors block the pores or disperse throughout the shale surface.…”

Section: Des As Shale Inhibitionmentioning

confidence: 99%

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Deep Eutectic Solvents: Comprehensive Review and Future Directions on Synthesis and Oilfield Applications

Nazar,

Hussain,

Kamal

2024

Energy Fuels

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Deep eutectic solvents (DESs) are widely used across scientific fields, including the oil industry. DESs, synthesized by combining specific hydrogen bond acceptors and donors, offer customizable properties. DESs are used in various industrial processes like pharmaceutical synthesis, biocatalyst development, nanomaterial manufacturing, molecule desulfurization, and gas capture. DESs are stable under harsh conditions, customizable, and low toxicity, making them ideal for many oilfield applications. This study focuses on their use in enhanced oil recovery and drilling engineering while addressing associated challenges and proposing solutions. DESs can alter wettability and act as substitutes for surfactants, especially in shale inhibition and mud loss control. They are cost-effective and environmentally friendly alternatives to toxic chemicals in the upstream oil sector, with tunable features. However, DESs have limitations such as high viscosity, turbidity, and challenges in achieving phase separation during liquid−liquid extraction. The use of DESs in industrial processes raises challenges related to price and sustainability. Practical use of DESs requires extensive laboratory-scale experimental research for effectiveness and safety. This review analyses the latest research on using these chemicals in the petroleum sector, specifically upstream oil operations.

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Section: Des As Shale Inhibitionmentioning

confidence: 99%

“…Over the years, several traditional and innovative approaches have been suggested and put into practice to address the issue of shale swelling. The inhibitory effectiveness of WBDF can be increased by combining multiple shale inhibitors …”

Section: Industrial Oilfield Applications Of Desmentioning

confidence: 99%

Deep Eutectic Solvents: Comprehensive Review and Future Directions on Synthesis and Oilfield Applications

Nazar,

Hussain,

Kamal

2024

Energy Fuels

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“…Recently, the use of ionic liquids (ILs) in the synthesis of nanostructured catalysts has become widespread, since they offer very attractive alternatives to traditional liquid organic solvents and solid salts. This is a result of the suitable physicochemical characteristics of these ILs, which include a greater conductivity, a low vapor pressure, nonflammability, and good thermal and chemical stability [ 4 , 5 , 6 ], in addition to their selective combination of cations or anions depending on the subsequent application and their treatability and reusability, greatly improving their environmental impacts and contributing to sustainability [ 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Anodizing Tungsten Foil with Ionic Liquids for Enhanced Photoelectrochemical Applications

Da Silva,

Sánchez-García,

Pérez-Calvo

et al. 2024

Materials

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This research examines the influence of adding a commercial ionic liquid to the electrolyte during the electrochemical anodization of tungsten for the fabrication of WO3 nanostructures for photoelectrochemical applications. An aqueous electrolyte composed of 1.5 M methanesulfonic acid and 5% v/v [BMIM][BF4] or [EMIM][BF4] was used. A nanostructure synthesized in an ionic-liquid-free electrolyte was taken as a reference. Morphological and structural studies of the nanostructures were performed via field emission scanning electron microscopy and X-ray diffraction analyses. Electrochemical characterization was carried out using electrochemical impedance spectroscopy and a Mott–Schottky analysis. From the results, it is highlighted that, by adding either of the two ionic liquids to the electrolyte, well-defined WO3 nanoplates with improved morphological, structural, and electrochemical properties are obtained compared to samples synthesized without ionic liquid. In order to evaluate their photoelectrocatalytic performance, the samples were used as photocatalysts to generate hydrogen by splitting water molecules and in the photoelectrochemical degradation of methyl red dye. In both applications, the nanostructures synthesized with the addition of either of the ionic liquids showed a better performance. These findings confirm the suitability of ionic liquids, such as [BMIM][BF4] and [EMIM][BF4], for the synthesis of highly efficient photoelectrocatalysts via electrochemical anodization.

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“…Demulsifiers are commonly surface-active and composed of hydrophobic and hydrophilic moieties that help them interact with aqueous and crude oil phases. , Demulsifier diffuses through a continuous phase, reaches the naturally occurring interfacial film, and adsorbs on it. The adsorption of demulsifier molecules on this film changes its properties and accelerates its rupture. − Several surface-active demulsifiers are applied for crude oil emulsion demulsification, e.g., polymeric surfactants, biosurfactants, and ionic liquids. − Polymeric surfactants, e.g., poly(propylene oxide- co -ethylene oxide), are one of the most applied demulsifiers among all other types due to their high performance and fast demulsification. However, their high cost motivated researchers to look for low-cost and more effective demulsifiers. − In our earlier works, different surface-active compounds were prepared through a short preparation route using low-cost materials.…”

Section: Introductionmentioning

confidence: 99%

“… 13 − 15 Several surface-active demulsifiers are applied for crude oil emulsion demulsification, e.g., polymeric surfactants, biosurfactants, and ionic liquids. 16 − 20 Polymeric surfactants, e.g., poly(propylene oxide- co -ethylene oxide), are one of the most applied demulsifiers among all other types due to their high performance and fast demulsification. However, their high cost motivated researchers to look for low-cost and more effective demulsifiers.…”

Section: Introductionmentioning

confidence: 99%

One-Pot Synthesis of Amphipathic Esters for Demulsification of Water-in-Crude Oil Emulsions

Abdullah,

Al-Lohedan,

Al-Maswari

2024

ACS Omega

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The current work aims to synthesize new amphipathic compounds, TGHA and PGHA, and investigate their demulsification performance (DP) in water-in-crude oil emulsions. Their chemical structures, thermal stability, interfacial activity, and micelle formation were investigated by different techniques. The bottle test method was used to investigate the effect of demulsifier concentration, water content, temperature, and demulsification time (DT) on the DP of TGHA and PGHA compared to a commercial demulsifier (CD). The results indicated that these parameters have a noticeable impact on the DP of TGHA and PGHA. The results also showed that TGHA exhibited higher DP than PGHA at all investigated parameters, which could be explained by increasing its hydrophobicity due to lower oxyethylene units in its structure than PGHA. An increase in these units means increased hydrophilicity, which led to obstruction of PGHA molecule diffusion in crude oil as a continuous phase. Moreover, TGHA gave a comparable DP with CD, as it gave a higher DP and shorter DT than CD at a higher water content (50%), while the latter achieved the highest DP and the shortest DT at a low water content (10%).

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A review of ionic liquids: Recent synthetic advances and oilfield applications

Cited by 25 publications

References 223 publications

Deep Eutectic Solvents: Comprehensive Review and Future Directions on Synthesis and Oilfield Applications

Deep Eutectic Solvents: Comprehensive Review and Future Directions on Synthesis and Oilfield Applications

Anodizing Tungsten Foil with Ionic Liquids for Enhanced Photoelectrochemical Applications

One-Pot Synthesis of Amphipathic Esters for Demulsification of Water-in-Crude Oil Emulsions

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