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High-performance of plasma-enhanced Zn/MCM-41 catalyst for acetylene hydration
Catalysis Communications ( IF 3.4 ) Pub Date : 2020-08-07 , DOI: 10.1016/j.catcom.2020.106122
Qinqin Wang , Sudi Zhang , Youzhu Yu , Bin Dai

The influence of plasma pretreatment on the catalytic performance of Zn based catalyst in acetylene hydration was studied. Furthermore, the atmosphere (N2, O2, NH3, air) and process conditions (pretreatment time, pretreatment power, gas flow) of plasma pretreatment were investigated systematically. The activity results showed that both the conversion and selectivity of the P-Zn/MCM-41 catalyst treated by oxygen plasma improved significantly. The characterization results suggested that the plasma treated catalyst enhances the mutual effect between the Zn species and MCM-41 carrier, promotes the dispersion of the active component and inhibits the loss of Zn species.



中文翻译:

等离子增强的Zn / MCM-41催化剂用于乙炔水合的高性能

研究了等离子体预处理对乙炔水合中Zn基催化剂催化性能的影响。此外,系统地研究了等离子体预处理的气氛(N 2,O 2,NH 3,空气)和工艺条件(预处理时间,预处理功率,气体流量)。活性结果表明,氧等离子体处理的P-Zn / MCM-41催化剂的转化率和选择性均得到明显提高。表征结果表明,等离子体处理的催化剂增强了Zn物种与MCM-41载体之间的相互作用,促进了活性成分的分散并抑制了Zn物种的损失。

更新日期:2020-08-24
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