Oxidation of cyclopentene catalyzed by tungsten-substituted molybdophosphoric acids

被引：17

作者：

Xue, Jinjuan ^{[1
]}

Yin, Hengbo ^{[1
]}

Li, Haixia ^{[1
]}

Zhang, Dongzhi ^{[1
]}

Jiang, Tingshun ^{[1
]}

Yu, Longbao ^{[1
]}

Shen, Yutang ^{[1
]}

机构：

[1] Jiangsu Univ, Fac Chem & Chem Engn, Zhenjiang 212013, Peoples R China

来源：

KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2009年 / 26卷 / 03期

关键词：

Tungsten-substituted Molybdophosphoric Acid; Cyclopentene; Glutaraldehyde; cis-1,2-Cyclopentanediol; trans-1,2-Cyclopentanediol; SELECTIVE OXIDATION; HETEROPOLY COMPOUNDS; GLUTARALDEHYDE; VANADIUM; SBA-15; METHACROLEIN; WO3/SIO2; H2O2;

D O I：

10.1007/s11814-009-0109-7

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of Keggin type tungsten-substituted molybdophosphoric acids (H3PMo12-n W (n) O-40 center dot XH2O) were synthesized and characterized by ICP-AES, FT-IR, TG-DSC, and XRD. The tungsten substitution extent significantly affected their catalytic activity in the oxidation of cyclopentene and the selectivity of the resultant products. The tungsten-substituted molybdophosphoric acids with tungsten substitution numbers in a range of 3-6.8 exhibited high catalytic activity in the oxidation of cyclopentene. After reaction for 8 h, the conversion of cyclopentene was up to 97%; the oxidation products mainly consisted of glutaraldehyde, cis-1,2-cyclopentanediol and trans-1,2-cyclopentanediol with the yields of ca. 23%, 27%, and 45%, respectively.

引用

页码：654 / 659

页数：6

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