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

页码：435 / 437

页数：3

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