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Occurrence, speciation and fate of mercury in the sewage sludge of China
Cheng, Liu1; Wang, Li; Geng, Yuanmeng1; Wang, Ning1; Mao, Yuxiang1; Cai, Yong2
2019-12-30
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume186Pages:-
AbstractMunicipal sewage has been identified to be an important source of mercury (Hg) to the environment. However, as the major sink of sewage-borne Hg, sewage sludge (SS) remains unresolved in terms of the occurrence status of Hg species. We presented here, a nation-wide survey on the speciation of Hg in SS of China. Total Hg (THg) and methylmercury (MeHg) were detected in all SS samples, within ranges of 0.4-12.4 mg/kg and 0.1-27.0 mu g/kg, respectively. Sludge-borne Hg mainly occurred in the mercury sulfide and organo-chelated phases, with only tiny portions occurring as soluble Hg. The mass loadings of sludge-borne THg and MeHg in China for year 2016 were estimated to be 12.2 metric tons and 19.9 kg, respectively. Landfill was the most important sink of sludgeborne Hg, followed by incineration, land application, and building materials.
Department环境化学与生态毒理学国家重点实验室
KeywordMercury Methylmercury Speciation Sewage sludge Fate
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42569
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Anyang Inst Technol, Sch Chem & Environm Engn, Anyang 455000, Peoples R China
2.Henan Polytech Univ, Sch Resources & Environm, Jiaozuo 454000, Henan, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Liu,Wang, Li,Geng, Yuanmeng,et al. Occurrence, speciation and fate of mercury in the sewage sludge of China[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,186:-.
APA Cheng, Liu,Wang, Li,Geng, Yuanmeng,Wang, Ning,Mao, Yuxiang,&Cai, Yong.(2019).Occurrence, speciation and fate of mercury in the sewage sludge of China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,186,-.
MLA Cheng, Liu,et al."Occurrence, speciation and fate of mercury in the sewage sludge of China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 186(2019):-.
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