Direct Oxidative Transformation of Glycerol into Acrylic Acid over Phosphoric Acid-added W-V-Nb Complex Metal Oxide Catalysts

被引：20
作者：
Omata, Kaori [1 ]
Matsumoto, Keeko [1 ]
Murayama, Toru [1 ]
Ueda, Wataru [1 ]
机构：
[1] Hokkaido Univ, Catalysis Res Ctr, Sapporo, Hokkaido 0010021, Japan
来源：
CHEMISTRY LETTERS | 2014年 / 43卷 / 04期
关键词：
GAS-PHASE DEHYDRATION; ACROLEIN; OXIDEHYDRATION;
D O I：
10.1246/cl.131098
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The addition of phosphoric acid to W-Nb-O catalyst active for glycerol transformation to acrolein and to W-V-Nb-O catalyst active for direct transformation of glycerol to acrylic acid appreciably improved their catalytic performance. The phosphoric acid-added W-Nb-O catalyst gave acrolein yield of 81.8%, and the phosphoric acid-added W-V-Nb-O catalyst gave acrylic acid yield of 59.2% in the direct glycerol transformation. The improvement of the catalytic performance seems due to the increases of the acid amount and the Bronsted acidity.
引用
收藏
页码：435 / 437
页数：3
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