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题名: Heterogeneous uptake of nitrogen dioxide on Chinese mineral dust
作者: Zhou, Li1, 2; Wang, Weigang1; Hou, Siqi1; Tong, Shengrui1; Ge, Maofa1
关键词: Mineral dust ; Nitrogen dioxide ; Uptake coefficient ; Temperature dependence
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES
发表日期: 2015-12-01
卷: 38, 页:110-118
收录类别: SCI
英文摘要: Mineral dust is one of the major aerosols in the atmosphere. To assess its impact on trace atmospheric gases, in thisworkwe present a laboratory study of the effect of temperatureonthe heterogeneous reaction of NO2 on the surface of ambient Chinese dust over the temperature range from 258 to 313 K. The results suggest that nitrogen dioxide couldmainly be adsorbed on these types of Chinese mineral dust reversibly with little temperature dependence. Similar to a previous study on NO2 uptake on mineral aerosols, the uptake coefficients are mainly on the order of 10-6 for the Chinese dust, when BET areas are taken into account. HONOwas observed as a product, and its formation and decomposition on Chinese mineral dust during the uptake processes were also studied. The complete dataset from this study was compiled with previous literature determinations. Atmospheric implications of the heterogeneous reaction betweenNO(2) and mineral dust are also discussed, in an effort to understand this important heterogeneous process. (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35834
Appears in Collections:分子动态与稳态结构实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Peking Univ, State Key Lab Struct Chem Unstable & Stable Speci, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
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