CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Wet air oxidation of indole, benzopyrazole, and benzotriazole: Effects of operating conditions and reaction mechanisms
Zhou, Linbi1,2; Cao, Hongbin1,2; Descorme, Claude3; Zhao, He2; Xie, Yongbing2
2018-04-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume338Pages:496-503
AbstractThree simple structured nitrogen heterocyclic compounds (NHCs), namely indole (ID), benzopyrazole (BP) and benzotriazole (BT), were degraded via wet air oxidation (WAO) in an autoclave- type reactor. The elimination of target pollutants became significant only above 220 degrees C. The reactivity order of the three substrates was ID > BP > BT. The chemical oxygen demand (COD) removal levels were lower than 70%. Many partial oxidation intermediates were produced, as detected by electrospray ionization-mass spectrometry (ESI-MS). The presence of different anions, such as CO32-, SO42-, and PO43-, had a detrimental effect on the removal performances. On the other hand, Cl- and NO3- had a beneficial effect on the WAO of the target pollutants. By combining quantum chemistry calculations and ESI-MS analysis, detailed degradation pathways of ID, BP, and BT could be proposed. It was concluded that ring breakage occurred on both the benzene and heterocyclic ring in the initial stage of WAO for all three substrates.
KeywordWet Air Oxidation Nitrogen Heterocyclic Compounds Indole Benzopyrazole Benzotriazole Quantum Chemistry
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2018.01.070
Indexed BySCI
Language英语
WOS KeywordAQUEOUS-SOLUTION ; WASTE-WATER ; PHENOL ; DEGRADATION ; OZONATION ; KINETICS ; ACIDS ; POLLUTANTS ; PARAMETERS ; AZAARENES
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
Funding OrganizationNational Science Fund for Distinguished Young Scholars of China(51425405) ; Beijing Natural Science Foundation(8172043) ; Major Science and Technology Program for Water Pollution Control and Treatment(2015ZX07202013 ; 2017ZX07402-001 ; 2017ZX07402-003)
WOS IDWOS:000427618400051
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24067
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Tianjin, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Div Environm Engn & Technol, Beijing, Peoples R China
3.CNRS, Inst Rech Catalyse & Environm Lyon IRCELYON, Paris, France
Recommended Citation
GB/T 7714
Zhou, Linbi,Cao, Hongbin,Descorme, Claude,et al. Wet air oxidation of indole, benzopyrazole, and benzotriazole: Effects of operating conditions and reaction mechanisms[J]. CHEMICAL ENGINEERING JOURNAL,2018,338:496-503.
APA Zhou, Linbi,Cao, Hongbin,Descorme, Claude,Zhao, He,&Xie, Yongbing.(2018).Wet air oxidation of indole, benzopyrazole, and benzotriazole: Effects of operating conditions and reaction mechanisms.CHEMICAL ENGINEERING JOURNAL,338,496-503.
MLA Zhou, Linbi,et al."Wet air oxidation of indole, benzopyrazole, and benzotriazole: Effects of operating conditions and reaction mechanisms".CHEMICAL ENGINEERING JOURNAL 338(2018):496-503.
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