Comprehensive review on stability and demulsification of unconventional heavy oil-water emulsions

J Ma, M Yao, Y Yang, X Zhang - Journal of Molecular Liquids, 2022 - Elsevier
Unconventional petroleum ores have been considered to be an important part of petroleum
resources and an important alternative source of chemicals and energy supply. Extremely …

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 …

Effect of interface structure and behavior on the fluid flow characteristics and phase interaction in the petroleum industry: State of the art review and outlook

J Hong, Z Wang, J Li, Y Xu, H Xin - Energy & Fuels, 2023 - ACS Publications
As the global oil market continues to tighten, there is an increasing focus on enhancing oil
recovery. However, enhanced oil recovery technologies require the addition of chemical …

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 …

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 …

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 …

Demulsification of water-in-crude oil emulsion driven by a three-branch structure demulsifier

Z Zhang, G Ai, G Zeng, H Yuan, Y Yang, L Shen… - Journal of Molecular …, 2022 - Elsevier
A three-branch structure demulsifier (GTE-DDA) for the treatment of water-in-crude oil (W/O)
emulsions was synthesized by a one-step method using glycerol triglycidyl ether (GTE) as …

Interfacial behaviors of ionic liquids in petroleum Production: A review

F Song, J Zhou, Z Jia, L He, H Sui, X Li - Journal of Molecular Liquids, 2023 - Elsevier
Due to superior surface activity and physicochemical properties, ionic liquids (ILs) have
been applied in petroleum industry in different ways, such as ILs-assisted solvent extraction …

Dehydration of heavy crude oil emulsions using novel imidazolium-based poly ionic liquids

AO Ezzat, HA Al-Lohedan - Journal of Molecular Liquids, 2021 - Elsevier
Sea water/heavy crude oil emulsions are highly stable and cause serious industrial
problems. Amphiphilic poly ionic liquids (ILs) as environmentally safe chemicals can be …

Synthesis of a high efficiency DED-12 demulsifier by a simple two-step method

Y Ding, M Huang, X Wang, H Li, S Li, Z Hu… - Colloids and Surfaces A …, 2023 - Elsevier
In this paper, a high efficiency DED-12 demulsifier was synthesized using poly (ethylene
glycol) diglycidyl ether and ethanolamine as raw materials through a simple two-step …