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Evaluation of passive sampling of gaseous mercury using different sorbing materials
Lin, HM (Lin, Huiming)1; Zhang, W (Zhang, Wei)2; Deng, CY (Deng, Chunyan)1; Tong, YD (Tong, Yingdong)3; Zhang, QG (Zhang, Qianggong)4; Wang, XJ (Wang, Xuejun)1; Wang, XJ; Zhang, W
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
2017
Volume24Issue:16Pages:14190-14197
DOI10.1007/s11356-017-9018-1
AbstractAtmospheric mercury monitoring is essential because of its potential human health and ecological impacts. Current automated monitoring systems include limitations such as high cost, complicated configuration, and electricity requirements. Passive samplers require no electric power and are more appropriate for screening applications and long-term monitoring. Sampling rate is a major factor to evaluate the performance of a passive sampler. In this study, laboratory experiments were carried out using an exposure chamber to search for high efficiency sorbents for gaseous mercury. Four types of sorbents, including sulfur-impregnated carbon (SIC), chlorine-impregnated carbon (CIC), bromine-impregnated carbon (BIC), and gold-coated sand (GCS) were evaluated under a wide range of meteorological parameters, including temperature, relative humidity, and wind speed. The results showed that the four sorbents all have a high sampling rate above 0.01 m(3)g(-1) day(-1), and wind speed has a positive correlation with the sampling rate. Under different temperature and relative humidity, the sampling rate of SIC keeps stable. The sampling rate of CIC and BIC shows a negative correlation with temperature, and GCS is influenced by all the three meteorological factors. Furthermore, long-term experiments were carried out to investigate the uptake capacity of GCS and SIC. Uptake curves show that the mass amount of sorbent in a passive sampler can influence uptake capacity. In the passive sampler, 0.9 g SIC or 0.9 g GCS can achieve stable uptake efficiency for at least 110 days with gaseous mercury concentration at or below 2 ng/m(3). For mercury concentration at or below 21 ng/m(3), 0.9 g SIC can maintain stable uptake efficiency for 70 days, and 0.9 g GCS can maintain stability for 45 days.
Subject Area自然地理学
WOS IDWOS:000402748300026
Language英语
Indexed BySCI
KeywordPERSISTENT ORGANIC POLLUTANTS IMPREGNATED ACTIVATED CARBON ATMOSPHERIC MERCURY ELEMENTAL MERCURY METEOROLOGICAL FACTORS DRY DEPOSITION AIR SAMPLERS AMBIENT AIR ADSORPTION CHINA
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences ; Environmental Sciences & Ecology
Cooperation Status国内
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Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8224
Collection图书馆
Corresponding AuthorWang, XJ; Zhang, W
Affiliation1.Peking Univ, Coll Urban & Environm Sci, MOE Lab Earth Surface Proc, Beijing 100871, Peoples R China.
2.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China.
3.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China.
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
Recommended Citation
GB/T 7714
Lin, HM ,Zhang, W ,Deng, CY ,et al. Evaluation of passive sampling of gaseous mercury using different sorbing materials[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(16):14190-14197.
APA Lin, HM .,Zhang, W .,Deng, CY .,Tong, YD .,Zhang, QG .,...&Zhang, W.(2017).Evaluation of passive sampling of gaseous mercury using different sorbing materials.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(16),14190-14197.
MLA Lin, HM ,et al."Evaluation of passive sampling of gaseous mercury using different sorbing materials".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.16(2017):14190-14197.
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