Dimethyl carbonate synthesis from CO2 and methanol over CeO2-ZrO2 catalyst

被引：20

作者：

Xu, Shiyu ^{[1
]}

Cao, Yunxia ^{[1
]}

Liu, Zhiming ^{[1
,2
,3
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

[2] Beijing Univ Chem Technol, Beijing Ctr Environm Pollut Control & Resource Re, Beijing 100029, Peoples R China

[3] Beijing Univ Chem Technol, Beijing Key Lab Energy Environm Catalysis, Beijing 100029, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2022年 / 162卷

基金：

中国国家自然科学基金;

关键词：

CO2; Dimethyl carbonate; CeO2-ZrO2; Methanol; SOLID-SOLUTION; CEO2; CATALYST; REDUCTION; NOX; DIOXIDE; CARBOXYLATION; REMOVAL; SURFACE;

D O I：

10.1016/j.catcom.2022.106397

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

CexZr1-xO2 catalysts with different Ce/Zr mole ratios were prepared by the sol-gel method and used for the direct synthesis of dimethyl carbonate (DMC) from CO2 and methanol. Among a series of center dot catalysts, Ce0.8Zr02O2 catalyst exhibited the highest catalytic activity. Characterization results demonstrated that doping Zr into CeO2 can lead to the formation of the Ce-O-Zr solid solution, which would strengthen the interaction be-tween ZrO2 and CeO2. Ce0.8Zr02O2 catalyst possessed the highest concentration of oxygen vacancy sites, thus exhibiting the highest activity for the direct synthesis of DMC.

引用

页数：5

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