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assessed by temperature ‐ programmed reduction of H2S‐pretreated sulfides , and it is demonstrated that this pretreatment is necessary to obtain reliable TPR data for the sulfides . The catalytic HDS activity ...
of sulfided catalysts (TPR-S), tem- perature programmed sulfidation (TPS) and NO chemisorp- tion of sulfided catalysts. Catalytic activity for dibenzothio- phene (DBT) hydrodesulfurization ( HDS ) was studied ...
was established between thiophene HDS activity at steady state and the size of a TPR peak of sulfided catalyst samples. Catal Lett (2010) 135:212–218 DOI 10.1007/s10562-010-0303-6 Relationship Between Sulfidation ...
performance. The carbon species on the catalyst were characterized by temperature - programmed oxidation and reduction , temperature - programmed desorption of ammonia and ultraviolet-visible diffuse reflectance ...
produced from molybdenum oxide and thiourea is reported. The synthesized samples were characterized by using x‐ray fluorescence, x‐ray diffraction, Brunauer–Emmett–Teller (BET), temperature ‐ programmed ...
characterized by N2 physisorption, X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), temperature - programmed reduction (TPR), X-ray ...
Mo2N powder, macrocrystals and nanoparticles and porous Mo metal were synthesized using temperature programmed reduction of MoO3 powder and crystals with reactant feed gases consisting of NH3 N2/H2 ...
spectroscopy, temperature - programmed reduction , NH3- temperature programmed desorption and transmission electron microscopy, respectively. Results indicate that smaller crystallite size and better dispersion ...
sulfides reveal a volcano-type depen- temperature - programmed reduction of hypophosphite-based dence of HDS activity on the group number, with the peak precursors consisting of uncalcined or calcined Ru/SiO ...
adsorption, temperature - programmed reduction , X-ray photoelectron spectroscopy, and high-resolution transmission electron microscopy. The catalysts were tested in hydrotreating of model FCC gasoline contained ...
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