The removal process of 2,2-dichloroacetamide (DCAcAm), a new disinfection by-product, in drinking water treatment process and its toxicity on zebrafish

被引：29

作者：

Lin, Tao ^{[1
,2
]}

Zhou, Dongju ^{[1
,2
]}

Yu, Shilin ^{[1
,2
]}

Chen, Wei ^{[2
]}

机构：

[1] Hohai Univ, Minist Educ, Key Lab Integrated Regulat & Resource Dev Shallow, Nanjing 210098, Jiangsu, Peoples R China

[2] Hohai Univ, Coll Environm, Nanjing 210098, Jiangsu, Peoples R China

来源：

CHEMOSPHERE | 2016年 / 159卷

基金：

中国国家自然科学基金;

关键词：

DCAcAm; Disinfection by-product; Drinking water treatment; Toxicity; Zebrafish; DANIO-RERIO; GENOTOXICITY; FRACTIONS; EMBRYOS; RIVER;

D O I：

10.1016/j.chemosphere.2016.06.029

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The removal process of 2,2-dichloroacetamide (DCAcAm), a new disinfection by-product (DBP) in conventional drinking water treatment plant (C-DWTP) and advanced DWTP (ADWTP) was studied with newly maximum formation potential (MFP) process. It was demonstrated that the advanced treatment displayed greater removal efficiency towards DCAcAm formation potential (MFP) than the conventional treatment The hydrophilic natural organic matter and natural organic matter with molecular weight <1 kDa or >10 kDa leaded to more DCAcAm formation, and the aromatic protein was inferred as one part of DCAcAm precursor. DCAcAm was found to cause delayed development and malformation to zebrafish embryos at embryonic growth stage. Compared with heart toxicity, it caused a significant neuron toxicity. It also could cause the acute DNA damage to adult zebrafish, which should be extremely cautioned. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：403 / 411

页数：9

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