A comprehensive study of deep catalytic oxidation of benzene, toluene, ethyl acetate, and their mixtures over Pd/ZSM-5 catalyst: Mutual effects and kinetics

He, Chi, Li, Peng, Cheng, Jie, Hao, Zheng-Ping and Xu, Zhi-Ping (2010) A comprehensive study of deep catalytic oxidation of benzene, toluene, ethyl acetate, and their mixtures over Pd/ZSM-5 catalyst: Mutual effects and kinetics. Water Air and Soil Pollution, 209 1-4: 365-376.


Author He, Chi
Li, Peng
Cheng, Jie
Hao, Zheng-Ping
Xu, Zhi-Ping
Title A comprehensive study of deep catalytic oxidation of benzene, toluene, ethyl acetate, and their mixtures over Pd/ZSM-5 catalyst: Mutual effects and kinetics
Journal name Water Air and Soil Pollution   Check publisher's open access policy
ISSN 0049-6979
1573-2932
Publication date 2010-06
Year available 2009
Sub-type Article (original research)
DOI 10.1007/s11270-009-0205-7
Volume 209
Issue 1-4
Start page 365
End page 376
Total pages 12
Place of publication Dordrecht, Netherlands
Publisher Springer Netherlands
Collection year 2011
Language eng
Formatted abstract Reaction behaviors and kinetics of catalytic oxidation of benzene, toluene, and ethyl acetate with feed concentrations in the range of 700–5,000 ppm over Pd/ZSM-5 catalyst were investigated. Results for single components show that ethyl acetate (T 50 = 190–200°C) is more easily oxidized than benzene (T 50 = 215–225°C) and toluene (T 50 = 225–235°C). The conversion of ethyl acetate was increased with the increase of its feeding concentration, while the opposite behaviors were observed for benzene and toluene as their conversion rates were decreased with the increase of the inlet concentration. Different behaviors were observed in catalytic oxidation of volatile organic compound (VOC) multi-components, the presence of benzene or toluene inhibits the conversion of ethyl acetate, and the aromatic hydrocarbons inhibit each other in all cases. Ethyl acetate possesses obvious inhibitory effect on benzene oxidation, while it is interesting to note that ethyl acetate has a promotion effect on toluene conversion. The kinetic data were fitted by the Power-law and Mars–van Krevelen kinetic models. The fitting result shows that the Power-law model is more suitable for predicting the conversion of benzene than the other VOCs, and the Mars–van Krevelen model can accurately express the reaction rate of all investigated VOCs. © 2009 Springer Science+Business Media B.V.
Keyword Pd/ZSM-5
Catalytic oxidation
VOC
Mixed effect
Reaction kinetics
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online: 12 September 2009

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Sun, 23 May 2010, 00:00:06 EST