The reaction results showed that the catalyst from kaolin has a increase in MAT, gasoline yield and coke yield with the increase of the content of rare earth, and the RON decreased with the increase of the content of rare earth.

• 裂化性能的测试结果显示出；随着稀土含量的增加；催化剂的活性、汽油和焦炭产率增加；汽油的研究法辛烷值降低.