Ammoxidation of propane to acrylonitrile over Mo-V-P-Oy/Al2O3 catalysts: Effect of phosphorus content

被引：8
|
作者：
Baek, Minsung [1 ]
Lee, Jong Kwon [1 ]
Kang, Heung Jung [2 ]
Kwon, Bum Jin [2 ]
Lee, Ji Hye [2 ]
Song, In Kyu [1 ]
机构：
[1] Seoul Natl Univ, Inst Chem Proc, Sch Chem & Biol Engn, Kwanak Ku, Seoul 151744, South Korea
[2] S OIL Corp, Ulsan 44995, South Korea
来源：
CATALYSIS COMMUNICATIONS | 2017年 / 92卷
关键词：
Propane ammoxidation; Acrylonitrile; Phosphorus addition; Mo-V-P-O catalyst; ALUMINA; OXIDATION; OXIDES;
D O I：
10.1016/j.catcom.2016.12.022
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：
Mo-V-P-O-y/Al2O3 (denoted as 18.1Mo1.9VXP/Al: 18.1 wt% Mo, 1.9 wt%V, X wt% P) catalysts with different phosphorus content were prepared by an impregnation method, and they were applied to the acrylonitrile production by ammoxidation Of propane. The effect of phosphorus content on the physicochemical properties and catalytic activities was investigated. Conversion of propane and yield for acrylonitrile showed volcano-shaped trends with respect to phosphorus content. Yield for acrylonitrile increased with decreasing binding energy of Mo 3d(5/2). Among the catalysts, 18.1Mo1.9V0.6P/AI with the smallest binding energy of Mo 3d(5/2) showed the best catalytic performance in the ammoxidation of propane to acrylonitrile. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：27 / 30
页数：4
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