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Co-Occurrence of Microcystins and Taste-and-Odor Compounds in Drinking Water Source and Their Removal in a Full-Scale Drinking Water Treatment Plant
Shang, Lixia1; Feng, Muhua; Xu, Xiangen2; Liu, Feifei3; Ke, Fan; Li, Wenchao
2018
Source PublicationTOXINS
ISSN2072-6651
Volume10Issue:1
SubtypeArticle
AbstractThe co-occurrence of cyanotoxins and taste-and-odor compounds are a growing concern for drinking water treatment plants (DWTPs) suffering cyanobacteria in water resources. The dissolved and cell-bound forms of three microcystin (MC) congeners (MC-LR, MC-RR and MC-YR) and four taste-and-odor compounds (geosmin, 2-methyl isoborneol, -cyclocitral and -ionone) were investigated monthly from 2018-08ust 2011 to July 2012 in the eastern drinking water source of Lake Chaohu. The total concentrations of microcystins and taste-and-odor compounds reached 8.86 g/L and 250.7 ng/L, respectively. The seasonal trends of microcystins were not consistent with those of the taste-and-odor compounds, which were accompanied by dominant species Microcystis and Dolichospermum. The fate of the cyanobacteria and metabolites were determined simultaneously after the processes of coagulation/flocculation, sedimentation, filtration and chlorination in the associated full-scale DWTP. The dissolved fractions with elevated concentrations were detected after some steps and the breakthrough of cyanobacteria and metabolites were even observed in finished water. Chlorophyll-a limits at intake were established for the drinking water source based on our investigation of multiple metabolites, seasonal variations and their elimination rates in the DWTP. Not only microcystins but also taste-and-odor compounds should be taken into account to guide the management in source water and in DWTPs.
Keywordmicrocystins taste-and-odor compounds water source drinking water treatment plant cyanobacterial thresholds
Subject AreaFood Science & Technology ; Toxicology
DOI10.3390/toxins10010026
Indexed BySCIE
Language英语
WOS Research AreaFood Science & Technology ; Toxicology
WOS IDWOS:000424096500026
PublisherMDPI
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157613
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Changzhou Acad Environm Sci, Changzhou 213022, Peoples R China
4.Nanjing Municipal Design & Res Inst CO Ltd, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Shang, Lixia,Feng, Muhua,Xu, Xiangen,et al. Co-Occurrence of Microcystins and Taste-and-Odor Compounds in Drinking Water Source and Their Removal in a Full-Scale Drinking Water Treatment Plant[J]. TOXINS,2018,10(1).
APA Shang, Lixia,Feng, Muhua,Xu, Xiangen,Liu, Feifei,Ke, Fan,&Li, Wenchao.(2018).Co-Occurrence of Microcystins and Taste-and-Odor Compounds in Drinking Water Source and Their Removal in a Full-Scale Drinking Water Treatment Plant.TOXINS,10(1).
MLA Shang, Lixia,et al."Co-Occurrence of Microcystins and Taste-and-Odor Compounds in Drinking Water Source and Their Removal in a Full-Scale Drinking Water Treatment Plant".TOXINS 10.1(2018).
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