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Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Vladimir Kutcherov +3 more
wiley +1 more source
Comparative studies on compounds occluded inside asphaltenes hierarchically released by increasing amounts of H2O2/CH3COOH [PDF]
International audienceBeing the heaviest fraction of crude oils, asphaltenes are liable to aggregate, and other molecules in the oils can be steadily adsorbed onto, and even occluded inside the macromolecular structures of the asphaltenes. These occluded
Alain Graciaa +20 more
core +1 more source
Les produits lourds du pétrole (résines et asphaltènes) jouent un rôle important dans les problèmes de formation des gisements de pétrole, de récupération assistée - en particulier des pétroles lourds -, de traitement et même d'utilisation des produits ...
Tissot B.
doaj +1 more source
A Study on the Adsorption and Catalytic Oxidation of Asphaltene onto Nanoparticles [PDF]
The use of nanoparticles, including metal oxide surfaces, as asphaltene adsorbents is a potential method of removing and/or upgrading asphaltenes. The adsorption of two asphaltene types, extracted from two types of Iranian crude oil, onto nanoparticles ...
Alireza Solaimany nazar, Fatemeh Amin
doaj +1 more source
A robust cathode featuring curvature‐engineered Ni single‐atoms anchored within hierarchical pores effectively confines Cl2 and accelerates Cl0/Cl−1 redox kinetics. This synergistic architecture unlocks the potential of Li‐Cl2 secondary batteries with an unprecedented 1×106 mAh g−1 cumulative capacity, all‐climate resilience (–40°C to + 70°C), and 7.65
Minggang Xie +11 more
wiley +2 more sources
Asphaltenes removal enhances the quality of the oil and facilitates the processing. In the present work, a NiO/AlPO-5 nanocomposite using green TMG was synthesized as a particular adsorbent for asphaltenes removal. NiO/AlPO-5 was characterized using FTIR,
Majid Mohammadi +2 more
doaj +1 more source
Investigation of glass transition temperatures of Turkish asphaltenes [PDF]
Asphaltenes are a major concern in production operations, due to their role in conversion of vacuum residues by processes such as coking, catalytic cracking and hydroconversion. Six Turkish asphaltenes were characterized by elemental content, proton NMR,
Akmaz, Solmaz +2 more
core +1 more source
Stabilization of pavement base material using asphalt emulsion has been widely used to improve pavement performance. This technology produces a high-quality base course material with decreased energy consumption, carbon footprint, and raw material usage.
Farshad Kamran, Leila Hashemian
doaj +1 more source
Asphaltenes and Asphaltene model compounds: Adsorption, Desorption and Interfacial Rheology. [PDF]
There are numerous problems encountered during extraction, production, transportation and refining of crude oil. Most of these problems are typically oil-specific, meaning that they depend upon the source of the oil, and sometimes they are reservoir ...
Pradilla, Diego
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Asphaltenes conversion by chemical modification [PDF]
Canadian oilsands bitumen contains one of the highest amounts of asphaltenes (16-20 wt %) among all crude oils. Asphaltenes are the lowest value fraction of bitumen. It differs from the other fractions of bitumen because of its insolubility in paraffinic
Carvalho do Prado, Glaucia H
core +2 more sources

