首页|Hydrodesulfurization of catalytic cracked gasoline. 2. The difference between HDS active site and olefin hydrogenation active site
Hydrodesulfurization of catalytic cracked gasoline. 2. The difference between HDS active site and olefin hydrogenation active site
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The inhibiting effect of olefin on CCG HDS (found in our previous report) was further investigated from a mechanistic point of view. A small amount of thiophene (corresponding to ca. 100 wt ppm of sulfur content) and varying amounts of olefins (diisobutylene and 1-octene) dissolved in toluene were hydrotreated on Co-Mo/Ml_2O_3 at 150 deg C at 1.3 Mpa. Both the total HDS (thiophene HDS minus thiol and sulfide formation) and thiophene HDS were strongly inhibited by a small Amount of olefin (1 mol /100).
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