Catalytic oxidation of ethylene and ethane to formaldehyde by oxygen

被引：18

作者：

Lou, Yinchuan ^{[1
]}

Zhang, Qinghong ^{[1
]}

Wang, Huichun ^{[1
]}

Wang, Ye ^{[1
]}

机构：

[1] Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

来源：

JOURNAL OF CATALYSIS | 2007年 / 250卷 / 02期

基金：

中国国家自然科学基金;

关键词：

ethane; ethylene; selective oxidation; formaldehyde; molybdenum oxide; mesoporous silica;

D O I：

10.1016/j.jcat.2007.06.015

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：

The selective oxidation of ethylene by oxygen produced formaldehyde with a single-pass yield of similar to 30% at a temperature of 863 K and a contact time of 0.08 s g cm(-3) over a mesoporous silica (SBA-15)-supported molybdenum oxide catalyst. Oligomeric MoOx species and polymeric MoOx clusters were responsible for this reaction. The exploitation of a double-bed catalytic reaction mode containing Dy2O3-Li+-MgO-Cl(-)and MoOx/SBA-15 as the upstream, and the downstream catalysts converted ethane directly to formaldehyde by oxygen with a single-pass yield of 14% at 863 K. (c) 2007 Elsevier Inc. All fights reserved.

引用

页码：365 / 368

页数：4

共 11 条

[1] Simple chemical processes based on low molecular-mass alkanes as chemical feedstocks [J].