Asphaltene induced changes in rheological properties: A review

AA Moud - Fuel, 2022 - Elsevier
Asphaltene is a component of crude oil that has been linked to serious production and
transportation issues. It is a solid oil component with various shapes and molecular …

Enhanced carbon storage process from flue gas streams using rice husk silica nanoparticles: An approach in shallow coal bed methane reservoirs

LJ Giraldo, OE Medina, V Ortiz-Perez, CA Franco… - Energy & …, 2023 - ACS Publications
Carbon capture and storage (CCS) is considered a key process to reach net-zero emission
by the 2050 aim of limiting global warming. Coal bed methane (CBM) is considered potential …

Theoretical and experimental study of adsorption and catalytic reactivity of asphaltene fractions A1 and A2 over cubic NiO–PdO/CeO2 nanoparticles

OE Medina, IM Riascos, S Heidari, SA Acevedo… - Fuel, 2024 - Elsevier
This study aims to analyze the aggregation state of A1 and A2 asphaltene subfractions and
their influence on the adsorption and reactivity of ceria-based nanoparticles. To this aim, a …

Molecular Dynamic Simulation and Experiments on n-C7 Asphaltene Pyrolysis under High-Pressure Conditions Using Ceria-Based Nanocatalysts

OE Medina, I Moncayo-Riascos… - ACS Applied Nano …, 2023 - ACS Publications
This work aims to widen our knowledge about the pyrolysis, and catalytic pyrolysis of
asphaltenes at low and high pressure through experimental and simulation approaches …

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 …

Insights into the Morphology Effect of Ceria on the Catalytic Performance of NiO–PdO/CeO2 Nanoparticles for Thermo-oxidation of n-C7 Asphaltenes under …

OE Medina, J Gallego, AF Perez-Cadenas… - Energy & …, 2021 - ACS Publications
The overall objective of this study is to evaluate the effect of morphologies (C, cubic; O,
orthorhombic; and S, spherical) of ceria in the catalytic activity for n-C7 asphaltene thermo …

Effect of pressure on thermo-oxidative reactions of saturates, aromatics, and resins (S-Ar-R) from extra-heavy crude oil

OE Medina, J Gallego, S Cespedes, NN Nassar… - Fuel, 2022 - Elsevier
This work investigates the thermo-oxidative behaviour of saturates, aromatics, and resins, at
different pressures of 0.084, 3.0, and 6.0 MPa. Saturates (S), aromatics (Ar), and resins (R) …

Physicochemical characteristics of calcined MnFe2O4 solid nanospheres and their catalytic activity to oxidize para-nitrophenol with peroxymonosulfate and n-C7 …

L Mateus, C Moreno-Castilla, MV López-Ramón… - Journal of …, 2021 - Elsevier
Manganese ferrite solid nanospheres (MSNs) were prepared by a solvothermal method and
calcined at various temperatures up to 500° C. Their surface area, morphology, particle size …

Nano-intermediate of magnetite nanoparticles supported on activated carbon from spent coffee grounds for treatment of wastewater from oil industry and energy …

L Acosta, D Galeano-Caro, OE Medina, FB Cortés… - Processes, 2020 - mdpi.com
This work focused on evaluating the adsorptive removal of crude oil using a nano-
intermediate based on magnetite nanoparticles supported on activated carbon synthesized …

NiO, Fe2O3, and MoO3 Supported over SiO2 Nanocatalysts for Asphaltene Adsorption and Catalytic Decomposition: Optimization through a Simplex–Centroid …

D Arias-Madrid, OE Medina, J Gallego, S Acevedo… - Catalysts, 2020 - mdpi.com
The main objective of this study was to evaluate the effect of functionalized silica
nanoparticles with Fe2O3, NiO, and MoO3 metal oxides on the decomposition of …