Deactivation of Pd6Cr4@NH2-MIL-101 Catalyst in Dehydrogenation of Formic Acid

被引：1

作者：

Zhang, Youhua ^{[1
,2
]}

Duan, Linhai ^{[1
,2
]}

Yang, Ping ^{[1
,2
]}

Zhang, Dan ^{[1
,2
]}

Meng, Xiuhong ^{[1
,2
]}

机构：

[1] Guangdong Univ Petrochem Technol, Coll Chem Engn, 139 Guandu Second Rd, Maoming 525000, Peoples R China

[2] Guangdong Univ Petrochem Technol, Key Lab Inferior Crude Oil Proc Guangdong Prov Hig, 139 Guandu Second Rd, Maoming 525000, Peoples R China

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2023年 / 46卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Catalyst deactivation; Dehydrogenation; Formic acid; Metal organic framework; Palladium chromium bimetallic; CARBON-SUPPORTED PD; HYDROGEN-PRODUCTION; DECOMPOSITION; NANOPARTICLES; PERFORMANCE; GENERATION; REDUCTION; FORMATE; SIZE;

D O I：

10.1002/ceat.202200274

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Deactivation of Pd-Cr bimetallic nanopaticles supported on NH2-functionalized MIL-101 in dehydrogenation of formic acid is studied. Results show that the catalyst cannot be reused more than three times because the concentration of carbon monoxide in the gaseous product will exceed 10 ppm. When the catalyst is used for the first time, the turnover frequency of the active metal Pd is the highest. With an increase of catalyst utilization times, the turnover frequency decreases. The reason for the reduction in catalyst activity is agglomeration of Pd and Cr atoms on the outer surface of the catalyst, not because the active component, Pd, is being lost.

引用

收藏

页码：738 / 746

页数：10

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