Review on demulsification techniques for oil/water emulsion: Comparison of recyclable and irretrievable approaches

JY Low, CS Khe, F Usman, YM Hassan, CW Lai… - Environmental …, 2024 - Elsevier
Since the establishment of the first global refinery in 1856, crude oil has remained one of the
most lucrative natural resources worldwide. However, during the extraction process from …

Optimization of the demulsification of water-in-heavy crude oil emulsions using response surface methodology

S Ahmadi, A Khormali, FM Khoutoriansky - Fuel, 2022 - Elsevier
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 …

Bioethanol production from the comparison between optimization of sorghum stalk and sugarcane leaf for sugar production by chemical pretreatment and enzymatic …

N Manmai, Y Unpaprom, VK Ponnusamy, R Ramaraj - Fuel, 2020 - Elsevier
This work reports the comparison of optimized pretreatment models on total sugar (TS)
production from sugarcane leaf (SL) with sorghum stalk (SS) utilization to decompose the …

[HTML][HTML] Enhancing dehydration/desalting efficiency of crude oil emulsions through experimental and computational insights

S Ahmadi, A Khormali, Y Kazemzadeh… - Results in Engineering, 2024 - Elsevier
The formation of unwanted oil emulsions during producing, transporting, and processing
crude oils is a major challenging issue, which causes serious technical problems, and …

A review of petroleum emulsification types, formation factors, and demulsification methods

AA Hadi, AA Ali - Materials Today: Proceedings, 2022 - Elsevier
Emulsions are undesirable in the petroleum industry because they frequently cause
equipment corrosion, high-pressure drop in pipelines, high pum** costs, and catalyst …

Optimization of the adsorption of diclofenac by activated carbon and the acidic regeneration of spent activated carbon

N Genç, E Durna, E Erkişi - Water Science and Technology, 2021 - iwaponline.com
Diclofenac sodium (DCF) is a non-steroidal anti-inflammatory drug. It has been classified as
ecotoxic even at low concentrations. In this study, adsorption of DCF on coconut shell-based …

Optimization of the demulsification response surface methodology

E Yonguep, M Chowdhury - South African Journal of Chemical …, 2021 - journals.co.za
Emulsions are undesirable in the petroleum industry, as these often lead to numerous
problems such as the corrosion of equipment, high-pressure drop in the pipeline, high …

Molecular simulations on the coalescence of water-in-oil emulsion droplets with non-ionic surfactant and model asphaltene

X Sun, H Zeng, T Tang - Langmuir, 2023 - ACS Publications
Water droplets in crude oil can be stabilized by the adsorption of interfacially active
components, such as asphaltenes. Demulsifiers like non-ionic surfactants are commonly …

Role of counterions and nature of spacer on foaming properties of novel polyoxyethylene cationic gemini surfactants

S Kalam, MS Kamal, S Patil, SMS Hussain - Processes, 2019 - mdpi.com
Application of foam in various upstream operations, such as in enhanced oil recovery, has
gained significant attention in recent years. A good foaming agent should generate a stable …

Development of high-performance biodegradable and non-toxic demulsifier for dehydration of field crude oil emulsion: Statistical design and process optimization

Y Dhandhi, TK Naiya, C Guria - Geoenergy Science and Engineering, 2024 - Elsevier
In this paper, a simple high-performance non-toxic, and biodegradable demulsifier was
synthesized based on the ester of oleic acid and polyethylene glycol to dehydrate crude oil …