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Ion–dipole pair formations driven by supramolecular interactions between the dodecyltrimethylammonium chloride (C 12 TAC) cationic surfactant and either 1-naphthol (NAP), quinoline (QN) or benzothiophene dipolar molecules, which model heteroaromatic ring groups displayed by asphaltenes and resins contained in heavy Mexican crude oils, were theoretically and experimentally analyzed. Theoretical...
Herein were performed theoretical and experimental studies about the performance of the cationic surfactant docecyltrimethylammonium chloride (C 12 TAC) on the enhancement of the oil recovery factor (ORF) from heavy oil-impregnated calcite cores. The interaction energies between C 12 TAC and either of some molecules present in oil such as an asphaltene (Asph), a resin (Res) or an octanoic...
In a previous work, we proposed an alternative mechanism for the initial reaction of the NO 3 radical with ethene that involves the cycloaddition of NO 3 to the double bond. We suggested that this mechanism could occur parallel to the expected addition to one of the carbon atoms of the double bond. We have now extended our calculations to the addition of NO 3 to a series of...
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