The technical features of the methods for reducing olefins in FCC gasoline are presented. 并提出了催化裂化汽油降烯烃的方法应该具有的技术特征。
The role of precaustic washing in the sweetening of gasoline and the influence of nonprecaustic washing gasoline on the sweetening process were discussed. 对催化裂化汽油脱臭精制过程中预碱洗的作用及取消预碱洗对汽油脱臭精制带来的影响进行了讨论。