COMPARATIVE-STUDY OF SULFIDE NI-MO CATALYSTS, SUPPORTED ON GAMMA-AL2O3 AND ACTIVATED CARBON BY USING RADIOISOTOPE S-35

Using radioactive isotope S-35 a comparative study of C- and Al2O3-sup ported MoS2 catalysts promoted by Ni in hydrodesulfurization of thioph ene has been performed. Ni content varied from 0 up to 3.5%. Promotion effect on thiophene conversion and catalyst sulfide sulfur mobility h as been studied. C-supported catalysts have been found to have higher catalytic activity than analogous alumina-supported ones. Active site productivity in both C- and Al2O3-supported catalysts is the same but the number of active sites in the former is larger than in the latter.