Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes.

Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes. Research Abstract Details 

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Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes. Abstract Text:

Jiho Lee,Byoung C Lee,Jin S Ra,Jaeweon Cho,In S Kim,Nam I Chang,Hyun K Kim,Sang D Kim,

The removal efficiency of endocrine disrupting compounds from effluents using pilot scale sewage treatment processes, including various treatment technologies, such as membrane bioreactors (MBR), nanofiltration (NF) and reverse osmosis (RO) for the purpose of water reuse, were estimated and compared. The calculated estrogenic activity, expressed in ng-EEQ/l, based on the concentration detected by GC/MS, and relative potencies for each target compound were compared to those measured using the E-screen assay. The removal efficiencies for nonylphenol, was within the range of 55-83% in effluents. High removal efficiencies of approximately >70% based on the detection limits were obtained for bisphenol A, E1, EE2 and genistein with each treatment processes, with the exception of E1 ( approximately 64%) using the MBR process. The measured EEQ values for the effluents from the MBR, NF and RO processes also indicated low estrogenic activities of 0.65, 0.23 and 0.05ng-EEQ/l, respectively. These were markedly reduced values compared with the value of 1.2ng-EEQ/l in influent. Consequently, the removals of EDCs in terms of the EEQ value from the biological and chemical determinations were sufficiently achieved by the treatment process applied in this study, especially in the cases of the NF and RO treatments.

Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes. Publishing Authors By Initials

J Lee,BC Lee,JS Ra,J Cho,IS Kim,NI Chang,HK Kim,SD Kim,

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Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Chemosphere

VOLUME: 71

Page Numbers: 1582-92

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ISSN: 0045-6535

DAY: 26

MONTH: 12

YEAR: 2007

Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Comparison of the removal efficiency of endocrine disrupting compounds in pilot scale sewage treatment processes.

AFFILIATION: Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea.

Country: England

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MEDLINETA: Chemosphere

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