Abstract
AbstractPt–Mo nanoparticles supported by MWCNT were synthesized by wet impregnation and applied to desulfurize extra-heavy crude oil. Structural, morphological, and chemical characterizations confirmed uniform dispersion of Pt and Mo on MWCNT surfaces. The Pt–Mo nanoparticles had crystallite sizes ranging from 1.7 to 28 nm. The catalysts were used in the aquathermolysis of UTSIL crude oil, showing good stability and activity. Sulfur was reduced by 50% at 50°C and 80% at 100°C. FT-IR spectroscopy revealed the formation of hydrogenated aromatic rings and a decrease in sulfonic groups during desulfurization. Graphical abstract
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