Toluene hydrogenation at low temperature using a molybdenum carbide catalyst

被引：134

作者：

Frauwallner, Maria-Laura ^{[1
]}

Lopez-Linares, Francisco ^{[1
]}

Lara-Romero, J. ^{[1
,2
]}

Scott, Carlos E. ^{[1
]}

Ali, Vieman ^{[1
,3
]}

Hernandez, Eumir ^{[1
]}

Pereira-Almao, Pedro ^{[1
]}

机构：

[1] Univ Calgary, Dept Chem & Petr Engn, Schulich Sch Engn, Calgary, AB T2N 1N4, Canada

[2] Univ Michoacana, Fac Ingn Quim, Morelia, Michoacan, Mexico

[3] Jacobs Consultancy Canada, Calgary, AB, Canada

来源：

APPLIED CATALYSIS A-GENERAL | 2011年 / 394卷 / 1-2期

关键词：

Molybdenum carbide catalyst; Hydrogenation; Toluene; TRANSITION-METAL CARBIDES; NAPHTHALENE HYDROGENATION; HYDRODESULFURIZATION; NITRIDES; SITES; RAMAN; TUNGSTEN; BULK;

D O I：

10.1016/j.apcata.2010.12.024

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：

A molybdenum carbide catalyst prepared with a novel methodology and its toluene hydrogenation activity tested at temperatures within 423-598 K and 2.76 MPa is here reported. Almost 100% hydrogenation was achieved at 473 K with this catalyst. The activation energy was 58.1 kJ/mol with a zero-order reaction for toluene concentration, illustrating a behavior comparable to that of noble metals. Additional catalyst formulations were tested and their activities compared between them. XRD and Raman characterization of the catalysts allowed identification of several species in the newly synthesized catalyst, namely fcc-Mo2C and MoO2. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.

引用

页码：62 / 70

页数：9

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