Microwave-hydrothermal decomposition of chlorinated organic compounds

被引：21
|
作者：
Park, M [1 ]
Komarneni, S [1 ]
Roy, R [1 ]
机构：
[1] Penn State Univ, Intercoll Mat Res Lab, University Pk, PA 16802 USA
来源：
MATERIALS LETTERS | 2000年 / 43卷 / 5-6期
关键词：
microwave-hydrothermal process; chlorinated organic compounds; dichloroethane; trichloroethane; pentachloroethane;
D O I：
10.1016/S0167-577X(99)00270-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The application of microwave-hydrothermal (M-H) heating has been evaluated in the decomposition of chlorinated organic compounds such as dichloroethane, trichloroethylene, and pentachlorophenol. This study also focused on the comparison of M-H with conventional-hydrothermal (C-H) treatment on the decomposition of the chlorinated organic compounds. Within 5 min, more than 98% of dichloroethane was decomposed at 180 psi (approximately 190 degrees C) in 2.5 M NaOH solution by M-H treatment. The decomposition rates of the chlorinated compounds were accelerated by four to six times by M-H treatment compared to C-H treatment. No significant difference in reaction products between M-H and C-H treatment was observed, based on the analysis by gas chromatography. This study demonstrates that the application of M-H treatment leads to greatly accelerated kinetics in the decomposition of chlorinated compounds when compared to C-H treatment. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：259 / 263
页数：5
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