Abstract: Based on the deactivation mechanism of FCC catalyst by vanadium, this paper analyzed the influence of V on catalyst performance and product distribution on processing the high vanadium feedstocks. The new anti-vanadium FCC catalyst CGP-1YZ, developed by SINOPEC Research Institute of Petroleum Processing, was used in the No.2 FCC unit with capacity of 2 Mt/a in Yangzi Petrochemical Company. The industrial application results show that compared with the original catalyst, the new catalyst shows a good anti-vanadium ability, the conversion and gasoline yield increase by 9.51 and 5.67 percentage points, respectively. The catalyst consumption lowers 0.15 kg/t. The coke selectivity is significantly improved.

Key words: catalytic cracking, vanadium, catalyst, V-trap agent