Decomposition of acetaldehyde in air in a dielectric barrier discharge

被引:0
作者
Robert, S [1 ]
Francke, E [1 ]
Cavadias, S [1 ]
Gonnord, MF [1 ]
Amouroux, J [1 ]
机构
[1] ENSCP, Lab Genie Procedes Plasmas & Traitement Surface, F-75231 Paris 05, France
来源
PROGRESS IN PLASMA PROCESSING OF MATERIALS 2001 | 2001年
关键词
dielectric barrier discharge; acetaldehyde; GC/MS; isotopic labeling; reaction pathway;
D O I
暂无
中图分类号
O414.1 [热力学];
学科分类号
摘要
An experimental study of the decomposition of acetaldehyde in a dry air mixture has been carried out using a dielectric barrier discharge. Operating parameters that affect the CH,CHO destruction efficiency include the gas mixture composition, the applied voltage, and the gas residence time in the reactor. The plasma is produced in a narrow gap by a dielectric barrier discharge at low applied voltage, 40 kHz. An isotopic labeling (CD,CHO) is used with gas chromatography-mass spectrometry identification of the formed stabilized species in order to investigate the mechanism of acetaldehyde decomposition, and especially the CH3. radical stability. Additionally, the influence of the plasmagen gas mixture composition on the chemical reaction pathways in the discharge has been studied.
引用
收藏
页码:811 / 818
页数:8
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