Fractionation and characterization of petroleum asphaltene: focus on metalopetroleomics

F Zheng, Q Shi, GS Vallverdu, P Giusti, B Bouyssiere - Processes, 2020 - mdpi.com
Asphaltenes, as the heaviest and most polar fraction of petroleum, have been characterized
by various analytical techniques. A variety of fractionation methods have been carried out to …

Challenges in petroleum characterization—A review

I Shishkova, D Stratiev, IV Kolev, S Nenov… - Energies, 2022 - mdpi.com
252 literature sources and about 5000 crude oil assays were reviewed in this work. The
review has shown that the petroleum characterization can be classified in three categories …

Review on sulfur compounds in petroleum and its products: state-of-the-art and perspectives

Q Shi, J Wu - Energy & Fuels, 2021 - ACS Publications
Sulfur compounds have significant geochemical information, and the removal of sulfur from
petroleum products is one of the most important tasks in petroleum refining. However, it is a …

New insights into effect of the electrostatic properties on the interfacial behavior of asphaltene and resin: An experimental study of molecular structure

A Tajikmansori, AHS Dehaghani… - Journal of Molecular …, 2023 - Elsevier
Regardless of many attempts to identify asphaltene and resin interfacial phenomena, the
complexity of their molecular structure increases the uncertainty about their interfacial …

A molecular insight into cracking of the asphaltene hydrocarbons by using microwave radiation in the presence of the nanoparticles acting as catalyst

S Karami, AHS Dehaghani - Journal of Molecular Liquids, 2022 - Elsevier
This research aims to the microwave-assisted catalytic cracking of the asphaltene by using
nanoparticles of SiO 2, Al 2 O 3, clay, and ZnO acting as a nanocatalyst. The nanoparticle …

Automated high-performance liquid chromatography for SARA analysis (SARA-HPLC)

A Karevan, H Sadeghi Yamchi, M Aghajamali… - Energy & …, 2021 - ACS Publications
SARA analysis is widely used to separate crude oil components to saturate, aromatic, resin,
and asphaltene fractions. Despite the continuous improvement of the current methods, they …

Investigation on the mechanism of heating effect influencing emulsifying ability of crude oil: Experimental and molecular dynamics simulation

M He, W Pu, T Wu, X Yang, X Li, R Liu, S Li… - Colloids and Surfaces A …, 2023 - Elsevier
Water flooding can create a transient heating effect that causes oil and water to self-emulsify.
This study sought to understand how this effect impacts crude oil's emulsifying properties by …

Thermo-Oxidative Decomposition Behaviors of Different Sources of n-C7 Asphaltenes under High-Pressure Conditions

OE Medina, J Gallego, NN Nassar, SA Acevedo… - Energy & …, 2020 - ACS Publications
Effects of pressure on thermo-oxidative decomposition of different sources of n-C7
asphaltenes were investigated at high pressure using a thermogravimetric analyzer under …

Molecular structure: the first and most significant factor in the precipitation of asphaltenes

M Hassanzadeh, M Abdouss - SPE Journal, 2023 - onepetro.org
For decades, asphaltene deposits have been one of the most common problems in the oil
industry in production, transportation, refining, processes, and storage. To find a solution …

Effects of aromatics, resins, and asphaltenes on oxidation behavior and kinetics of heavy crude oil

WF Pu, LL Wang, XQ Peng, N Li… - Petroleum Science and …, 2020 - Taylor & Francis
This research is intended to investigate the effects of aromatics, resins, and asphaltenes on
the oxidation behavior of heavy crude oil. The results showed that aromatics had inhibition …