In situ catalytic upgrading of heavy oil decomposes viscous heavy oil underground through
a series of complex chemical and physical reactions with the aid of an injected catalyst, and …

Temperature dependencies of electron paramagnetic resonance spectra of intrinsic
paramagnetic vanadyl complexes and dynamical viscosity for two heavy crude oils and …

Novel materials with a variety of properties, such as biocompatibility, antibacterial activity,
interconnected porosity, and functionalities combined in one, are required for regenerative …

The presence of paramagnetic species such as vanadyl complexes (VO2+) and free carbon
radicals in petroleum disperse systems (PDSs) such as crude oil, bitumen, or kerogen …

In situ combustion (ISC) is an effective way to recover heavy oils, where initiation at an early
stage of the low-temperature oxidation (LTO) process is crucial. A porous medium thermo …

Structural characterization of metalloporphyrins in complex systems, such as native
hydrocarbons, has been the focus of scientific and industrial interests for many years. We …

Heavy oil reserves are recognized as being a significant yet challenging energy resource
due to high viscosities. It is common knowledge that thermal recovery methods like in situ …

Formation of amorphous solid dispersions is an effective way to enhance the bioavailability
of drugs. One of the main disadvantages of such systems is their low storage stability …

In this work, several transition metal-based acetylacetonates (Ni, Cu, and Fe) were prepared
as oil-dispersed catalysts for heavy oil oxidation. X-ray diffraction (XRD), scanning electron …

Oxidation of heavy and extra-heavy oils is recognized as a complicated process due to the
heterogeneous nature of its reaction medium and the lack of knowledge concerning its …