Abstract: The effect of processing high vanadium feed on the FCC unit operation, product yield, processing cost and product quality was discussed based on the mechanism of vanadium contamination on FCC catalyst. Countermeasures, such as using optimum process conditions, selecting proper catalyst and additive for anti-vanadium contamination and adopting magnetic separation system to increase the equilibrium catalyst activity, were applied.

Key words: fluid catalytic cracking, vanadium, crude oil, catalyst