RCEES OpenIR  > 城市与区域生态国家重点实验室
Ecological risks of polycyclic musk in soils irrigated with reclaimed municipal wastewater
Wang, Meie; Peng, Chi; Chen, Weiping; Markert, Bernd; Chen, WP
2013
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume97Pages:242-247
AbstractHHCB (1,3,4,6,7,8-hexahydro-4,6,6,7,8-hexamethylcyclopenta-c-2-benzopyrane) and AHTN (7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene) are found in reclaimed municipal wastewater. They may accumulate in soils receiving long-term application of reclaimed water thus adversely impact the soil biota. We evaluated the extent of their accumulation in receiving soils using HYDRUS-1D based on reclaimed municipal wastewater irrigation data at a public park in Beijing. The potential for ecological harms were assessed according to tested and reported outcomes of acute toxicity tests using wheat (Triticum aetivum L), earthworm (Eisenia fetida) and springtail (Bourletiella hortensis) as target organisms. Results of comparison among EC50, values from wheat, earthworm and springtail showed the EC50 value for root elongation inhibition of wheat germination was the least. Based on the least EC50, predicted no effect concentration in soils were 290 and 320 ng /g for HHCB and ATHN, respectively. Comparable results from simulation to experimental and field investigating date validated the using of HYDRUS-1D in the work. Results of risk prediction showed it would take 243 and 666 years for HHCB and AHTN accumulated in soils at current irrigation practice to reach the levels for the resulting risk characterization ratios (RCRs) to cause potential ecosystem harms. (c) 2013 Elsevier Inc. All rights reserved.
Department城市与区域生态国家重点实验室
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/7268
Collection城市与区域生态国家重点实验室
Corresponding AuthorChen, WP
Recommended Citation
GB/T 7714
Wang, Meie,Peng, Chi,Chen, Weiping,et al. Ecological risks of polycyclic musk in soils irrigated with reclaimed municipal wastewater[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2013,97:242-247.
APA Wang, Meie,Peng, Chi,Chen, Weiping,Markert, Bernd,&Chen, WP.(2013).Ecological risks of polycyclic musk in soils irrigated with reclaimed municipal wastewater.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,97,242-247.
MLA Wang, Meie,et al."Ecological risks of polycyclic musk in soils irrigated with reclaimed municipal wastewater".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 97(2013):242-247.
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