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The influence of the heating rate on the degree of sulfidation and hydrodesulfurization activity of NiMo/SiO 2 /Al 2 O 3 catalysts prepared with and without citric acid was analyzed. The temperature programmed sulfidation patterns of the catalysts were obtained by following the consumption of H 2 S at different rates of heating (1, 3 and 10K/min). The resulting dispersion...
A series of NiMo catalysts supported on HNaY(x)–Al 2 O 3 composites with different amounts of HNaY zeolite (x=0, 5, 10, 20 and 100wt.% of HNaY) was prepared and tested in the hydrodesulfurization (HDS) of dibenzothiophene (DBT) and 4,6-dimethyl-DBT (4,6-DMDBT). The catalysts were characterized by N 2 physisorption, X-ray diffraction (XRD), FT-IR spectroscopy of pyridine and...
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