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Kinetics and mechanism study on catalytic oxidation of chlorobenzene over V2O5/TiO2 catalysts
Wang, Jian1,2; Wang, Xue1; Liu, Xiaolong1; Zeng, Junlin1,3; Guo, Yangyang1; Zhu, Tingyu1
2015-06-01
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume402Pages:1-9
AbstractIn this article, we present a detailed study combining the kinetic studies and in-situ FTIR experiments to investigate the oxidation behavior of chlorobenzene over V2O5/TiO2 catalysts. The catalytic data show the 3-5 wt.% V2O5/TiO2 catalysts are best fit for the oxidation of chlorobenzene. The calculated apparent reaction orders are about 0.6 and 0.2, respectively. The results of in-situ FTIR provided mechanism insights into the catalytic reaction, which supports the following proposal: (i) a nucleophilic substitution on V=O species and (ii) attacking by surface oxygen through a electrophilic substitution, then (iii) followed by the cracking of ring structure, and further oxidation of the resulting species to form final products. The above results further suggest that the nucleophilic substitution process and surface reaction are kinetically significant steps for chlorobenzene oxidation, determining the overall rate of the reaction. Furthermore, 1,2-dichlorobenzene, 1,3-dichlorobenzene and 1,2,4-trichlorobenzene as additional reactants were tested together with chlorobenzene in binary mixtures to examine their competition reactions. (C) 2015 Elsevier B.V. All rights reserved.
KeywordCatalytic Oxidation Chlorobenzene Chlorinated Benzenes V2o5/tio2 Ftir
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.molcata.2015.03.003
Indexed BySCI
Language英语
WOS KeywordALTERNATIVE SCR CATALYSTS ; VANADIA-TITANIA CATALYSTS ; OXIDE-BASED FORMULATIONS ; IN-SITU FTIR ; CHLORINATED BENZENES ; ACTIVATED CARBON ; NITRIC-OXIDE ; ADSORPTION ; REDUCTION ; 1,2-DICHLOROBENZENE
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000353600500001
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/16754
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Beijing Res Ctr Proc Pollut Control, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Guizhou Univ, Chem & Chem Engn, Guiyang 550025, Guizhou, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jian,Wang, Xue,Liu, Xiaolong,et al. Kinetics and mechanism study on catalytic oxidation of chlorobenzene over V2O5/TiO2 catalysts[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2015,402:1-9.
APA Wang, Jian,Wang, Xue,Liu, Xiaolong,Zeng, Junlin,Guo, Yangyang,&Zhu, Tingyu.(2015).Kinetics and mechanism study on catalytic oxidation of chlorobenzene over V2O5/TiO2 catalysts.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,402,1-9.
MLA Wang, Jian,et al."Kinetics and mechanism study on catalytic oxidation of chlorobenzene over V2O5/TiO2 catalysts".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 402(2015):1-9.
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