The properties of feedstock are the key to determine the olefin content in FCC gasoline.The REY catalyst with high hydrogen transfer activity can effectively lower the olefin content in FCC gasoline.

• 原料油性质是决定催化裂化汽油烯烃含量高低的关键,选择氢转移活性高的稀土Y型催化剂是降低催化裂化汽油烯烃含量的有效措施。