The most challenging aspect in petroleum industry is high produced water accompanying
crude oil extraction. In modern days, environmental attention has become very significant …

The processing of crude oil often requires the extraction of a large amount of water.
Frequently, crude oil is mixed with water to form water-in-crude oil emulsions as the result of …

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 …

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 …

Chemical demulsification is the most commonly used demulsification method for the
separation of oil–water emulsions (W/O) in petroleum industry. Previous experiments …

The current work investigates the effect of oil to kerosene ratio, space velocity, temperature,
demulsifier dosage, and wash water ratio on the performance of demulsification of water-in …

Effective separation of various oil-water emulsions using hydrophobic/oleophilic,
hydrophilic/oleophobic or amphiphilic materials has gained high research interests. With the …

A novel aliphatic alcohol nonionic polyether (MJTJU-2) has been successfully synthesized
by esterification and polymerization. It is found that this new polyether is efficient in fast …

This paper aimed to review the research on emulsion formation, stability, chemical
demulsification, and hydrophilic–lipophilic balance in chemical studies and other aspects …

With most crude oil extracted in the form of an emulsion, a substantial quantity of interfacially
active substances such as asphaltenes and resins adsorbed at the oil–water interface can …