Browse Items (49 total)

  • Tags: Ionic liquids

Dispersion of asphaltene in crude oil using ionic liquids (ILs) is being considered as a viable solution, in extraction and transportation processes. In this work, the interplay between asphaltene and ILs has been studied systematically to understand…

The challenges associated with heavy crude oil emulsions during hydrocarbon exploitation cannot be overemphasized. As such, water/crude oil separation in oil fields becomes necessary before conveyance to the refinery. In this study, we investigated…

The oil industry consists of a great diversity of stages such as the extraction, storage, transportation, and processing of crude oil. In particular, oil storage turns out to be an area of interest for research because this specific stage is…

Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…

Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…

New ionic liquids were synthesized from asphaltene colloids that aggregate in the petroleum sludge precipitated in the storage tanks and transportation petroleum pipeline. The alkyl side chains on the asphaltenes were oxidized to polynuclear aromatic…

Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…

The use of asphaltic crude oil resources as an alternative to offset light oil supplies over the next years has attracted oil field attention. However, its high viscosity greatly impedes the production of asphaltic crude oil from wells and…

Utilization of the abundant heavy crude oil resources has been accepted as an effective approach to tackle the shortage of light oil supply in the coming decades. However, the high viscosity and density of heavy crude oil severely hurdle the…

A green, clean, and rapid process employing sunlight for converting a large quantity of graphene oxide (GO) into reduced graphene oxide (rGO) is presented herein. In this protocol, the sunlight is concentrated using a Fresnel lens and focused on GO,…

Amphiphilic poly(ionic liquids), PILs, derived from natural products attracted great attention as a green chemical in the field of the surface chemistry and petroleum industry. In the present work, new surface active PILs were synthesized from…

The technology of natural gas dehydration with ionic liquids (ILs) as a promising method was proposed and systematically investigated in this work. The IL [EMIM][Tf2N] was screened out as an appropriate absorbent from 252 IL candidates for the…

Crude oil palm biomass (OPB) residue is an important source of lignocellulose and could be transformed into biofuels through thermochemical conversion for heat and power in CHP plants or act as sustainable reinforcement in the biocomposite industry.…

The volatile fraction of natural products often consists of complex mixtures of isomeric and/or homologous components with similar structural and physical characteristics (e.g. mono- and sesquiterpenoids) that are not easy to separate simultaneously…

In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…

Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…

Sugar alcohols, such as xylitol, sorbitol and inositols, are added-value carbohydrates with relevant bioactive and technological properties. These features make their extraction from natural sources of great interest both from the scientific and…

This work discusses the potential of two phosphonium-based ionic liquids (ILs), [P6,6,6,14]Cl and [P6,6,6,14][(C8H17)2PO2], and one methylimidazolium-based IL, [C4mim][OAc], as entrainers in the fractionation of terpene mixtures, in the…

This review contains some actual information about more interesting and perspective methods of coal and petroleum asphaltenes separation, fractionation, extraction, adsorption, and complexation. These are the most convenient and simple methods for…

Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…

In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…

Green oil-field chemicals based on ionic liquids (ILs) are highly recommended as demulsifiers for heavy crude oil emulsions due to their low vapor pressure, high thermal and chemical stability against degradation in harsh processing conditions. Novel…

Remotely located oil fields with high gas-oil ratio and high carbon dioxide content impose challenges for efficient and sustainable gas processing and monetization. This work investigates gas-to-wire coupled to carbon dioxide enhanced oil recovery as…

The role of natural gas in mitigating greenhouse gas emissions and advancing renewable energy resource integration is undoubtedly critical. With the progress of hydrocarbons exploration and production, the target zones become deeper and the…

Suitability of a imidazolium ionic liquids (ILs) as solvents in dearomatization and desulfurization in the ternary systems and in a model multicomponent systems has been analyzed. With this aim, ternary liquid-liquid phase equilibrium data (LLE) have…

The desulfurization of four petroleum distillates i.e. kerosene, light gas oil (LGO), heavy gas oil (HGO) and light cycle oil (LCO), with sulfur content 0.206–1.272% w/w, was carried out using the hydrogen peroxide-acetic acid oxidative system, in…

To develop an effective hydrate risk mitigation strategy for offshore flow assurance its essential to understand the effect of different water fractions on the rate of hydrate formation and study the effect of various water fractions on inhibition…

Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…

Carbon dioxide present in natural gas/biogas lowers the heating value of fuel and is associated with environmental pollution. In addition to this, bio-oil contains a significant amount of oxygenates, which limits its wide range of applications and…

Sweetening of natural gas is a necessary process step to meet transportation and commercial standards. Amine-based solvents have been conventionally used for absorption-based removal of contaminants, like acid gas from natural gas. The process has…

The vast utilization and scope of ionic liquids in a variety of fields have been presented based upon available literature. Systematic and concise analysis of the various ionic liquids’ applications has been done highlighting some recent significant…

Carbonaceous materials have been extensively used in diverse areas because of facile, low-cost, environmentally friendly, and nontoxic routes to produce novel functional materials that can be commercialized in the near future. Interestingly, from the…

Petroleum refining has been one of the key technologies driving global economic development and technological advancement for well over a century. Although much of the technology used in refineries is considered mature, the industry is always seeking…

The high dependence on crude oil for energy utilization leads to a necessity of finding alternative sustainable resources. Solvents are often employed in valorizing the biomass into bioproducts and other value-added chemicals during treatment stages.…

Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…

Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…

The formation of stable emulsions is a fundamental problem in oil industry that can result in a sequence of environmental and operational problems. Chemical demulsification is extensively applied for the recovery of oil from water as well as water…

New ionic liquids were synthesized from asphaltene colloids that aggregate in the petroleum sludge precipitated in the storage tanks and transportation petroleum pipeline. The alkyl side chains on the asphaltenes were oxidized to polynuclear aromatic…

Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…

The high dependence on crude oil for energy utilization leads to a necessity of finding alternative sustainable resources. Solvents are often employed in valorizing the biomass into bioproducts and other value-added chemicals during treatment stages.…

The forecast of an increase in the consumption of petroleum products, together with the growing scarcity of new deposits, makes it necessary to take full advantage of existing ones. The main problem faced by the petrochemical industry is high acid…

Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…

New geminal dicationic ionic liquids, ILs, containing both imidazolium and pyridinium cations were synthesized to apply as effective demulsifiers for stable sea water-in-heavy petroleum crude oil emulsions. In this respect, vinyl imidazolium and 4-…

The formation of stable emulsions is a fundamental problem in oil industry that can result in a sequence of environmental and operational problems. Chemical demulsification is extensively applied for the recovery of oil from water as well as water…

According to a report by the International Energy Agency, although global energy demand has grown gradually in the past, it is still envisaged to increase by 30% between the present and 2040, as oil demand continues to grow further by 2040, mainly…

Carbon dioxide present in natural gas/biogas lowers the heating value of fuel and is associated with environmental pollution. In addition to this, bio-oil contains a significant amount of oxygenates, which limits its wide range of applications and…
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