Comparative Study on the Photocatalytic Oxidation of Glycerol Using ZnO and TiO2

被引：18
|
作者：
Hermes, Natanael A. [1 ]
Corsetti, Andre [1 ]
Lansarin, Marla A. [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Dept Chem Engn, BR-90040040 Porto Alegre, RS, Brazil
来源：
CHEMISTRY LETTERS | 2014年 / 43卷 / 01期
关键词：
SELECTIVE OXIDATION; DIHYDROXYACETONE; WATER; SUSPENSIONS; DEGRADATION; CATALYST;
D O I：
10.1246/cl.130798
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, we have compared the behavior of ZnO and T in the photocatalytic oxidation of glycerol through detection of the main products. ZnO showed higher selectivity for the products where the carbon chain was preserved, such as glyceraldehyde (GAD) and dihydroxyacetone (DHA). TiO2 generated more products from the cleavage of the glycerol molecule, such as formaldehyde (FORM) and glycolaldehyde (GCOL). ZnO yielded about 16 times more GAD and 2.5 times more DHA than did TiO2.
引用
收藏
页码：143 / 145
页数：3
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