journal article·2019-02-26

Synthesis of a Crystalline Orthorhombic Mo–V–Cu Oxide for Selective Oxidation of Acrolein

Satoshi Ishikawa, Yudai Yamada, Chuntian Qiu, Yoshito Kawahara, Norihito Hiyoshi, Akihiro Yoshida, Wataru Ueda

Chemistry of Materials· Volume 31· Issue 4
Publisher page

Abstract

A crystalline orthorhombic Mo–V–Cu oxide (MoVCuO) was successfully obtained by hydrothermal synthesis using a methylammonium cation as a structure-directing agent, and catalytic role of Cu for selective oxidation of acrolein to acrylic acid (AA) was evaluated using crystalline Mo3VOx (MoVO) as a comparison. Cu was located at the corner of a heptagonal channel micropore in the MoVO structure with a square planar configuration. The introduction of Cu substantially improved AA selectivity up to 98% from 93% obtained over the MoVO catalyst. The introduction of Cu would moderate the activation of molecular oxygen at the heptagonal channel site and prevent side reactions such as oxidative C–C scission to form COx and acetic acid, resulting in the enhancement of AA selectivity.
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Research context

OpenAlex topics: Catalysis and Oxidation Reactions · Catalytic Processes in Materials Science · Oxidative Organic Chemistry Reactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan

Catalysis Research Center, Hokkaido University, N-21, W-10, Sapporo 001-0021, Japan

SZU-NUS Collaborative Center and International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

National Institute of Advanced Industrial Science and Technology (AIST), 4-2-1 Nigatake, Miyagino, Sendai 983-8551, Japan

Funding

Japan Society for the Promotion of Science · Institute for Catalysis, Hokkaido University

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