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CO2 hydrogenation to lower hydrocarbons over ZSM-5-supported catalysts in a dielectric-barrier discharge plasma reactor
Catalysis Communications ( IF 3.7 ) Pub Date : 2019-07-26 , DOI: 10.1016/j.catcom.2019.105761
Liying Lan , Anjie Wang , Yao Wang

ZSM-5-supported metal catalysts, including Fe/ZSM-5, Co/ZSM-5, Ni/ZSM-5, Cu/ZSM-5 and Mo/ZSM-5, were tested for the plasma-induced CO2 hydrogenation in a dielectric-barrier discharge (DBD) plasma reactor. A significant synergy between DBD plasma and the catalyst was found. Without catalyst, CO2 was converted solely to CO at a conversion level of 8.1% in the plasma. The supported metal catalysts enhanced CO2 conversion and promoted the hydrocarbon formation. Co/ZSM-5 exhibited the best performance with a C2-C4 selectivity of 13.7% at 45.0% CO2 conversion. Powder XRD studies revealed that the stable active phase was Co metal particles in the Co/ZSM-5 catalyst.



中文翻译:

在介电势垒放电等离子体反应器中,在ZSM-5负载的催化剂上进行CO 2加氢以降低烃类

测试了ZSM-5负载的金属催化剂,包括Fe / ZSM-5,Co / ZSM-5,Ni / ZSM-5,Cu / ZSM-5和Mo / ZSM-5在等离子体中诱导的CO 2加氢。介质阻挡放电(DBD)等离子体反应器。发现了DBD等离子体与催化剂之间的显着协同作用。在没有催化剂的情况下,CO 2在血浆中仅以8.1%的转化率转化为CO。负载的金属催化剂提高了CO 2转化率并促进了烃的形成。Co / ZSM-5表现出最佳性能,在45.0%CO 2转化率下,C 2 -C 4选择性为13.7%。粉末XRD研究表明,稳定的活性相是Co / ZSM-5催化剂中的Co金属颗粒。

更新日期:2019-07-26
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