NDLI: A toxicity monitoring study on identification and reduction of toxicants from a wastewater treatment plant.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yi, Xianliang Kim, Eunhee Jo, Hun-Je Schlenk, Daniel Jung, Jinho
Spatial Coverage	Republic of Korea
Description	Author Affiliation: Yi X ( Division of Environmental Science & Ecological Engineering, Korea University, Anam-dong, Sungbuk-gu, Seoul 136-713, Republic of Korea.)
Abstract	In this study, toxicity of effluents in a wastewater treatment plant and of receiving water in an adjacent stream was periodically monitored from November 2007 to June 2008, in order to trace and reduce sources of toxicants. The results showed that toxicity of final effluent (FE) changed greatly over different sampling events, and appeared to have impacts on toxicity of downstream water with a significant correlation (r(2)=0.87, p<0.05). In particular, FE toxicity was always higher than that of secondary effluent (SE). Toxicity identification evaluation (TIE) for the FE sample collected in March 2008 showed that FE toxicity was attributed to low quality of Fenton reagent with Zn contamination used for SE treatment. Furthermore, Zn concentrations in FE samples significantly correlated with FE toxicity during the sampling period (r(2)=0.95, p<0.05). After changing the Fenton reagent to one containing low Zn, Zn concentration and toxicity of FE greatly decreased in the following months.
File Format	HTM / HTML
ISSN	01476513
Issue Number	7
Volume Number	72
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2009-10-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Environmental Monitoring Methods Fresh Water Analysis Water Pollutants, Chemical Toxicity Water Purification Animals Daphnia Drug Effects Hydrogen Peroxide Iron Republic Of Korea Toxicity Tests Standards Zinc Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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