Highly Selective Carbon-Supported Boron for Oxidative Dehydrogenation of Propane

被引：30

作者：

Mark, Lesli O. ^{[1
]}

Dorn, Rick W. ^{[2
,3
]}

McDermott, William P. ^{[1
]}

Agbi, Theodore O. ^{[4
]}

Altvater, Natalie R. ^{[4
]}

Jansen, Jacob ^{[1
]}

Lebron-Rodriguez, Edgard A. ^{[4
]}

Cendejas, Melissa C. ^{[1
]}

Rossini, Aaron J. ^{[2
,3
]}

Hermans, Ive ^{[1
,4
]}

机构：

[1] Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA

[2] Iowa State Univ, Dept Chem, 2438 Pommel Dr, Ames, IA 50011 USA

[3] US DOE, Ames Lab, Ames, IA 50011 USA

[4] Univ Wisconsin, Dept Chem & Biol Engn, 1415 Engn Dr, Madison, WI 53706 USA

来源：

CHEMCATCHEM | 2021年 / 13卷 / 16期

基金：

美国国家科学基金会;

关键词：

activated carbon; boron; heterogeneous catalysis; oxidative dehydrogenation; solid-state NMR; SOLID-STATE NMR; MAGNETIC-RESONANCE-SPECTROSCOPY; ACTIVATED CARBON; QUADRUPOLAR NUCLEI; CATALYST SUPPORT; OXIDE CATALYSTS; RAMAN; HNO3; NANOTUBES; SPECTRA;

D O I：

10.1002/cctc.202100759

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：

Bulk boron materials, such as hexagonal boron nitride (h-BN), are highly selective catalysts for the oxidative dehydrogenation of propane (ODHP). Previous attempts to improve the productivity of these systems involved the immobilization of boron on silica and resulted in less selective catalysts. Here, we report that acid-treated, activated carbon-supported boron prepared via incipient wetness impregnation with boric acid (B/OAC) exhibits equal propylene selectivity and improved productivity (kg(propylene) kg(cat)(-1) hr(-1)) as compared to h-BN. Characterization of the fresh and spent catalysts with infrared, Raman, X-ray photoelectron, and solid-state NMR spectroscopies reveals the presence of oxidized/hydrolyzed boron that is clustered on the surface of the support.

引用

页码：3611 / 3618

页数：8

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