Recent demulsification methods of crude oil emulsions–Brief review

S Faizullayev, A Adilbekova, W Kujawski… - Journal of Petroleum …, 2022 - Elsevier
The oil industry faces with crude oil emulsions formation issue. It is a common problem for
the most of oil-producing countries around the world, including the Republic of Kazakhstan …

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

SMS Hussain, AA Adewunmi, OS Alade… - Journal of the Taiwan …, 2023 - Elsevier
Background Ionic liquids have received a lot of interest in recent years from scientists and
academics due to their distinctive qualities, including low vapor pressure, low toxicity, high …

Emulsion system, demulsification and membrane technology in oil–water emulsion separation: A comprehensive review

Y Deng, M Dai, Y Wu, C Peng - Critical Reviews in Environmental …, 2023 - Taylor & Francis
The economic development, utilization of petroleum and industrial production have
produced a large quantity of emulsified oily wastewater, which will pose a serious threat to …

Demulsification of stable seawater/Arabian heavy crude oil emulsions using star-like tricationic pyridinium ionic liquids

AO Ezzat, AM Atta, HA Al-Lohedan - Fuel, 2021 - Elsevier
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 …

Demulsification of amphiphilic gemini ionic liquids and its demulsification mechanism

F Ye, L Shen, S Liu, H Liu, X Zhang, Z Zhang, Y Yang… - Chemosphere, 2022 - Elsevier
This work aims to prepare two new amphiphilic and interfacial active gemini ionic liquids to
treat crude oil and investigates its demulsification mechanism. Tetraethylene glycol was …

Synthesis of a low temperature ionic liquid demulsifier and its demulsification mechanism

L Shen, S Liu, Q Qu, Y Tang, Z Zhang, D Xiang, X Yan… - Fuel, 2023 - Elsevier
In this paper, an ionic liquid (DEBIL) was synthesized by a simple and controllable method.
The chemical structure was verified by FT-IR, 1 H NMR and 13 C NMR, and the …

Application of imidazolium based ionic liquids grafted on microcrystalline cellulose as demulsifiers for water in crude oil (W/O) emulsions

H Sadighian, E Ahmadi, Z Mohamadnia - Carbohydrate Polymers, 2023 - Elsevier
Separation of water and oil from water-in-oil (W/O) emulsion before transportation and
refining is very important and critical. Ionic liquids (ILs) and their derivatives have recently …

Synthesis and demulsification performance of a Gemini ionic liquid with dual cationic active centers

Y Ding, G Ai, J Du, G Yu, L Lai, X Yan, W Yu… - Separation and …, 2024 - Elsevier
Currently, widely-used demulsifiers are primarily produced using ethylene oxide and
propylene oxide as raw ingredients. The production process is hazardous and complicated …

Quadruple-branched jellyfish-like demulsifier used for completely demulsifying water-in-oil emulsion at low temperature and its demulsification mechanism

L Shen, T Liu, H Li, S Li, Z Hu, X Jiang, H Liu, Z Zhang… - Fuel, 2024 - Elsevier
The separation of oil–water emulsions is a pressing and crucial task due to the significant
impact on transportation costs and pipeline corrosion. Currently, commercially available …

Green dispersants for oil spill response: A comprehensive review of recent advances

A Giwa, B Chalermthai, B Shaikh, H Taher - Marine Pollution Bulletin, 2023 - Elsevier
Green dispersants are so-called “green” because they are renewable (from bio-based
sources), non-volatile (from ionic liquids), or are from naturally available solvents (vegetable …