Modeling and Experimental Study of Trichloroethylene Abatement with a Negative Direct Current Corona Discharge

被引：16

作者：

Vandenbroucke, Arne M. ^{[1
]}

Aerts, Robby ^{[2
]}

Van Gaens, Wouter ^{[2
]}

De Geyter, Nathalie ^{[1
]}

Leys, Christophe ^{[1
]}

Morent, Rino ^{[1
]}

Bogaerts, Annemie ^{[2
]}

机构：

[1] Univ Ghent, Fac Engn & Architecture, Dept Appl Phys, Res Unit Plasma Technol, B-9000 Ghent, Belgium

[2] Univ Antwerp, Dept Chem, Res Grp PLASMANT, B-2160 Antwerp, Belgium

来源：

PLASMA CHEMISTRY AND PLASMA PROCESSING | 2015年 / 35卷 / 01期

基金：

欧洲研究理事会;

关键词：

Non-thermal plasma; Corona discharge; Volatile organic compound; Trichloroethylene; Modeling; VOLATILE ORGANIC-COMPOUNDS; AIR-POLLUTION CONTROL; NONTHERMAL PLASMA; DECOMPOSITION; CATALYSIS; REMOVAL; PERFORMANCE; DESTRUCTION; REACTOR; TOLUENE;

D O I：

10.1007/s11090-014-9584-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this work, we study the abatement of dilute trichloroethylene (TCE) in air with a negative direct current corona discharge. A numerical model is used to theoretically investigate the underlying plasma chemistry for the removal of TCE, and a reaction pathway for the abatement of TCE is proposed. The Cl atom, mainly produced by dissociation of COCl, is one of the controlling species in the TCE destruction chemistry and contributes to the production of chlorine containing by-products. The effect of humidity on the removal efficiency is studied and a good agreement is found between experiments and the model for both dry (5 % relative humidity (RH)) and humid air (50 % RH). An increase of the relative humidity from 5 % to 50 % has a negative effect on the removal efficiency, decreasing by +/- 15 % in humid air. The main loss reactions for TCE are with ClO center dot, O-center dot and CHCl2. Finally, the by-products and energy cost of TCE abatement are discussed.

引用

页码：217 / 230

页数：14

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