Dehydrogenation of Propane in the Presence of CO2 on Supported Monometallic MOy/SiO2 and CrOxMOy/SiO2 (M = Fe, Co, and Ni) Bimetallic Catalysts

被引：10

作者：

Tedeeva, M. A. ^{[1
]}

Kustov, A. L. ^{[1
,2
,3
]}

Pribytkov, P. V. ^{[1
,2
]}

Strekalova, A. A. ^{[3
]}

Kalmykov, K. B. ^{[1
]}

Dunaev, S. F. ^{[1
]}

Kustov, L. M. ^{[1
,2
,3
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia

[2] Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119334, Russia

[3] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2021年 / 95卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

bimetallic catalysts; metal oxides; silica gel; oxidative propane dehydrogenation; propylene; carbon dioxide; carbon dioxide utilization; diffuse reflectance UV spectroscopy; scanning electron microscopy; XRD; CHROMIUM-OXIDE; OXIDATIVE DEHYDROGENATION; CARBON-DIOXIDE; GALLIUM OXIDE; HYDROGENATION; ALKANES; SILICA; IRON; SPECTROSCOPY; CR-MCM-41;

D O I：

10.1134/S0036024421010295

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：

An analysis is performed of the physicochemical properties of M/SiO2 (M = Fe, Co, and Ni) oxide monometallic and CrM/SiO2 (M = Fe, Co, and Ni) bimetallic catalysts supported on amorphous silica. The catalysts are characterized via TGA, XRD, UV-Vis diffuse reflectance spectroscopy, and SEM. Adding 1 wt % of a second transition metal (Fe, Ni, and Co) to the 3% CrOx/SiO2 chromium oxide catalyst substantially raises the conversion of propane to 64% with a drop in the selectivity towards propylene and formation of methane as a main by-product in the case of nickel. Introducing iron and cobalt raises the selectivity towards propylene to 72% with a drop in the conversion of propane.

引用

页码：55 / 62

页数：8

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