Occurrence and dissipation of three azole biocides climbazole, clotrimazole and miconazole in biosolid-amended soils
文献类型: 外文期刊
第一作者: Chen, Zhi-Feng
作者: Chen, Zhi-Feng;Ying, Guang-Guo;Lai, Hua-Jie;Chen, Feng;Pan, Chang-Gui;Ma, Yi-Bing
作者机构:
关键词: Biocides;Biosolid application;Dissipation;Sludge;Soil
期刊名称:SCIENCE OF THE TOTAL ENVIRONMENT ( 影响因子:7.963; 五年影响因子:7.842 )
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收录情况: SCI
摘要: This study investigated the occurrence and dissipation of three azole biocides climbazole, clotrimazole and miconazole in biosolid-amended soils of the three sites (Zhejiang, Hunan and Shandong) in China following three treatments (CK: control without biosolid application; T1: one biosolid application; T2: biosolid application every year). The results showed that climbazole, clotrimazole and miconazole were present in the biosolid and biosolid-amended soils, but absent in the control soils. In the soils treated with biosolids, the concentrations of climbazole, clotrimazole and miconazole were mostly lower in the Zhejiang soils than in the Shandong or Hunan soils, suggesting that these three biocides are more readily dissipated under the flooding condition. During the one year monitoring, the concentrations of climbazole, clotrimazole and miconazole in the biosolid-applied soils showed only slight variations. The dissipation half-lives for miconazole calculated under the field conditions of Shandong site were 440. days for T1 and the half-lives for clotrimazole were 365. days for T2. The results suggested the persistence of these three biocides in the soil environments.
分类号: X1
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