【摘要】 甲苯甲醇烷基化生产PX联产低碳烯烃技术可实现在一种催化剂上高选择性生产PX和低碳烯烃(乙烯和丙烯)。文章对该工艺的特点进行了分析,认为该技术先进可靠,在芳烃联合装置中并联采用可达到增产对二甲苯、提高原料甲苯利用率、降低能耗、增加效益的目的,而且产品方案灵活,环保安全,是未来最为经济、可行的对二甲苯生产技术路线。更多还原

【Abstract】 The technology of co production of PX and low-carbon olefin through alkylation of toluene alcohol can realize simultaneous production of PX and low-carbon olefin(ethylene and propylene) with high selectivity by using a single catalyst.Based on analysis of characteristics of the process,this paper holds that it is advanced and reliable,and adoption of it in arene united plant can achieve the target of increasing PX output,improving utilization rate of toluene,reducing energy consumption and increasing profit.In addition,this process scheme is flexible and environmental friendly,which is the most economic and feasible process for PX production in the future.更多还原