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Lambda-cyhalothrin and its common metabolite differentially modulate thyroid disruption effects in Chinese lizards (Eremias argus)
Chang, Jing; Pan, Yifan; Liu, Wentao; Xu, Peng; Li, Wei; Wan, Bin
2021-12-15
Source PublicationENVIRONMENTAL POLLUTION
ISSN1383-5866
Volume274Pages:-
AbstractWastewater sludge is mainly comprised of microorganisms and extracellular polymeric substances (EPS). The gel-like network structure of EPS traps bound water, resulting in poor dewaterability of sludge. In this work, the thermally activated persulfate (TAP) oxidation was used in sludge treatment to improve dewaterability. The transformation of proteins and phosphorus were systematically investigated to understand the mechanisms of sludge conditioning with TAP at molecular levels. The results showed that TAP oxidation produced SO4-center dot and center dot OH radicals which decomposed the macromolecular proteins, causing uncoiling of protein secondary structures and exposure of inner hydrophobic sites. The polypeptide, amino acid, and ammonia nitrogen were generated, and sludge dewaterability was enhanced. A mechanism was proposed to explain the synergistic effects of thermal hydrolysis and TAP oxidation on the transformations of nitrogen and phosphorus containing biopolymers. Furthermore, 30%-100% of antibiotics were degraded in TAP treatment. TAP performed well in macrolide and tetracycline degradation (>80%), while most of quinolone antibiotics were more refractory to oxidation.
Department环境化学与生态毒理学国家重点实验室
KeywordAdvanced oxidation process Extracellular proteins Sludge dewaterability Antibiotics degradation
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46808
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Shuangqing RD 18, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Yuquan RD 19 A, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chang, Jing,Pan, Yifan,Liu, Wentao,et al. Lambda-cyhalothrin and its common metabolite differentially modulate thyroid disruption effects in Chinese lizards (Eremias argus)[J]. ENVIRONMENTAL POLLUTION,2021,274:-.
APA Chang, Jing,Pan, Yifan,Liu, Wentao,Xu, Peng,Li, Wei,&Wan, Bin.(2021).Lambda-cyhalothrin and its common metabolite differentially modulate thyroid disruption effects in Chinese lizards (Eremias argus).ENVIRONMENTAL POLLUTION,274,-.
MLA Chang, Jing,et al."Lambda-cyhalothrin and its common metabolite differentially modulate thyroid disruption effects in Chinese lizards (Eremias argus)".ENVIRONMENTAL POLLUTION 274(2021):-.
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