Comparative Study on Ethanol-Based Oxygenate Synthesis via Syngas over Monometallic Rh Catalysts Supported on Different Zr-MOFs

被引：1

作者：

Yu, Ruiqi ^{[1
]}

Duan, Xiangjiang ^{[2
]}

Yu, Xuanwang ^{[2
]}

Zheng, Xiang ^{[3
]}

Mao, Haifang ^{[1
]}

Yu, Jun ^{[1
]}

机构：

[1] Shanghai Inst Technol, Sch Chem & Environm Engn, 100 Haiquan Rd, Shanghai 201418, Peoples R China

[2] Zhejiang Haizhou Pharmaceut Co Ltd, Taizhou 318000, Peoples R China

[3] Shanghai Inst Technol, Sch Perfume & Aroma Technol, 100 Haiquan Rd, Shanghai 201418, Peoples R China

来源：

CATALYSTS | 2024年 / 14卷 / 09期

关键词：

syngas; Rh catalyst; Zr-MOFs; ethanol; C-2(+) oxygenates; METAL-ORGANIC FRAMEWORKS; CO HYDROGENATION; HIGHER ALCOHOLS; CARBON; CONVERSION; MN; NANOPARTICLES; PRECURSORS; PROMOTION; INSIGHTS;

D O I：

10.3390/catal14090566

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：

Three types of Zr-based metal-organic frameworks (Zr-MOFs) were employed as supports to prepare monometallic Rh catalysts by the impregnation method. The effects of the structural properties of Zr-MOFs on their supported monometallic Rh catalysts for syngas conversion were investigated. The results showed that, compared to catalysts with Rh@MOF-808 and Rh@UiO-66, Rh@UiO-67 had higher CO conversion and C-2(+) oxygenate selectivity. The state of the Rh site is affected by the different structure of the Zr-MOFs, which is responsible for the difference in catalytic performance. The relatively higher Rh dispersion on the UiO-67 support boosted its CO adsorption ability, and Rh@UiO-67 having the best C-2(+) oxygenate selectivity was mainly attributed to it having the highest Rh+/Rh-0 ratio.

引用

页数：11

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