Degradation of tert-butyl formate and its intermediates by an ozone/UV process

被引：20

作者：

Garoma, Temesgen ^{[1
]}

Gurol, Mirat D. ^{[1
]}

Thotakura, Lalitha ^{[1
]}

Osibodu, Olufisayo ^{[1
]}

机构：

[1] San Diego State Univ, Dept Civil Construct & Environm Engn, San Diego, CA 92182 USA

来源：

CHEMOSPHERE | 2008年 / 73卷 / 11期

关键词：

tert-Butyl formate (TBF); Ozone/UV process; Oxidation; Degradation pathways;

D O I：

10.1016/j.chemosphere.2008.09.039

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper, the oxidation of tert-butyl formate (TBF) in aqueous solution by an ozone/UV process was described. The oxidation process was investigated experimentally in a semibatch reactor. The results of the study indicated that the ozone/UV process was very effective in oxidizing TBF. tert-Butyl alcohol (TBA), hydroxy-iso-butyraldehyde (HiBA), acetone, formaldehyde, and formic acid were identified as major primary intermediates during the oxidation of TBF. About 90% organic carbon balance was obtained indicating that most reaction intermediates have been identified and quantified. Some of the primary intermediates were also oxidized in the ozone/UV system. Accordingly, HiBA, acetone, formaldehyde, and formic acid were the primary intermediates of TBA oxidation. The oxidation of acetone in the ozone/UV system generated formaldehyde, pyruvaldehyde, acetic acid, formic acid as primary intermediates. It was also observed that the reaction intermediates formed during the oxidation of TBF react well in the ozone/UV system and complete mineralization could be achieved by the process. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1708 / 1715

页数：8

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