While other technologies for enhancing propylene production were in favor of cracking alkylbenzene to form benzene and small olefins, which led to higher benzene content of naphtha.

• 而其他多产丙烯技术由于反应设计要求，有利于烷基苯发生裂化生成苯和小分子烯烃，从而增加了汽油苯含量。