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To enhance water resistance for catalytic ozone decomposition by fabricating H2O adsorption-site in OMS-2 tunnels
Hong, Wei; Ma, Jinzhu; Zhu, Tianle; He, Hong; Wang, Haining; Sun, Ye; Shen, Fangxia; Li, Xiang
2021-11-15
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0048-9697
Volume789Pages:-
AbstractSevere volatile organic compound (VOC) pollution has become an urgent problem during the heating season in the North China Plain (NCP), as exposure to hazardous VOCs can lead to chronic or acute diseases. A campaign with online VOC measurements was conducted at a rural site in Wangdu, NCP during the 2018 heating season to characterize the compositions and associated sources of VOCs and to assess their potential health risks. The total concentration of VOCs with 94 identified species was 77.21 +/- 54.39 ppb. Seven source factors were identified by non-negative matrix factorization, including coal combustion (36.1%), LPG usage (21.1%), solvent usage (13.9%), biomass burning and secondary formation (142%), background (7.0%), industrial emissions (4.5%), and vehicle emissions (3.3%). The point estimate approach and Monte Carlo simulation were used to estimate the carcinogenic and non-carcinogenic risks of harzadous VOCs. The results showed that the cumulative health risk of VOCs was above the safety level. Acrolein, 1.2-dichlorprothane, 12-dichloropropane, chloroform, 1,3-butadiene, and benzene were identified as the key hazardous VOCs in Wangdu. Benzene had the highest average carcinogenic risk. Solvent usage and secondary formation were the dominant sources of adverse health effects. During the Spring Festival, most sources were sharply reduced; and VOC concentration declined by 49%. However, coal and biomass consumptions remained relatively large, probably due to heating demand. This study provides important references for the control strategies of VOCs during the heating season in heavily polluted rural areas in the NCP. (C) 2021 Elsevier B.V. All rights reserved.
Department水污染控制实验室
KeywordHazardous volatile organic compounds The North China Plain Health risk assessment The heating season
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46883
Collection水污染控制实验室
Affiliation1.Beihang Univ, Sch Space & Environm, Beijing Key Lab Bioinspired Energy Mat & Devices, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Reg Atmospher Environm, Inst Urban Environm, Xiamen 361021, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hong, Wei,Ma, Jinzhu,Zhu, Tianle,et al. To enhance water resistance for catalytic ozone decomposition by fabricating H2O adsorption-site in OMS-2 tunnels[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2021,789:-.
APA Hong, Wei.,Ma, Jinzhu.,Zhu, Tianle.,He, Hong.,Wang, Haining.,...&Li, Xiang.(2021).To enhance water resistance for catalytic ozone decomposition by fabricating H2O adsorption-site in OMS-2 tunnels.APPLIED CATALYSIS B-ENVIRONMENTAL,789,-.
MLA Hong, Wei,et al."To enhance water resistance for catalytic ozone decomposition by fabricating H2O adsorption-site in OMS-2 tunnels".APPLIED CATALYSIS B-ENVIRONMENTAL 789(2021):-.
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