Promoting Effect of ZnO on the Catalytic Performance of CoZSM-5 for CO2-Assisted Dehydrogenation of Ethane

被引：0

作者：

He, Huan ^{[1
]}

Zou, Zhengxi ^{[1
]}

Hua, Weiming ^{[1
]}

Yue, Yinghong ^{[1
]}

Gao, Zi ^{[1
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2023年 / 39卷 / 6期

基金：

中国国家自然科学基金;

关键词：

Ethane dehydrogenation; CO2; utilization; ZnO; CoZSM-5; Coupling; OXIDATIVE DEHYDROGENATION; PROPANE DEHYDROGENATION; AROMATIZATION; SILICA; SINGLE; ZN2+; CO2;

D O I：

10.1007/s40242-023-3131-0

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Aseries of ZnO-modified cobaltous ion exchanged ZSM-5 catalysts is prepared using incipient wetness impregnation and characterized by X-ray diffraction (XRD), N-2 adsorption, transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectroscopy (DR UV-Vis), X-ray photoelectron spectroscopy (XPS), pyridine-adsorbed Fourier transform infrared (Py-IR) and Raman. Their catalytic performance towards CO2-assisted dehydrogenation of ethane to ethylene has been evaluated. The addition of ZnO onto CoZSM-5 obviously improved the yield of ethylene as well as the conversion of CO2. The promoting effect is attributed to the good activity of ZnO for the reverse water gas shift (RWGS) reaction, which enhances the coupling between RWGS and ethane dehydrogenation.

引用

页码：1064 / 1069

页数：6

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