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核壳MFI沸石正戊烷脱氢裂解生产低碳烯烃的协同途径
Microporous and Mesoporous Materials ( IF 4.8 ) Pub Date : 2023-08-30 , DOI: 10.1016/j.micromeso.2023.112790 Xinyu He , Yajie Tian , Congzhen Qiao , Zhenheng Diao , Guozhu Liu
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更新日期:2023-09-03
Microporous and Mesoporous Materials ( IF 4.8 ) Pub Date : 2023-08-30 , DOI: 10.1016/j.micromeso.2023.112790 Xinyu He , Yajie Tian , Congzhen Qiao , Zhenheng Diao , Guozhu Liu
采用干凝胶转化法制备了核@壳MFI型沸石负载PtZn合金催化剂,用于正戊烷催化裂化。催化剂的壳和核分别由纳米片silicalite-1和微孔ZSM-5组成。论证了一种拟议的脱氢-裂化途径,该途径有利于轻质烯烃的产生。在600℃、WHSV为6.26h -1时,产物中乙烯和丙烯的收率分别达到35.3wt%和33.4wt%。
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