TOXICITY EVALUATION OF WASTEWATER TREATMENT PLANT EFFLUENTS USING DAPHNIA MAGNA

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MOVAHEDIAN H.; BINA B.; ASGHARI GH.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE) Year:2005 | Volume:2 | Issue:2 Page(s): 1-4

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Information Journal Paper

Title

TOXICITY EVALUATION OF WASTEWATER TREATMENT PLANT EFFLUENTS USING DAPHNIA MAGNA

Author(s)

MOVAHEDIAN H. | BINA B. | ASGHARI GH. | Issue Writer Certificate

Keywords

ACUTE TOXICITY

DAPHNIA MAGNA

WASTEWATER

Abstract

Toxicity evaluation is an important parameter in WASTEWATER quality monitoring as it provides the complete response of test organisms to all compounds in WASTEWATER. The water flea DAPHNIA MAGNA straus is the most commonly used zooplankton in toxicological tests. The objective of this study was to evaluate the ACUTE TOXICITY of effluents from different units of Isfahan WASTEWATER Treatment Plant (IWTP). The samples were taken from four different physical and biological units. The ACUTE TOXICITY tests were determined using DAPHNIA MAGNA. The immobility of Daphnia was determined after 48h. Toxicity results showed that 48h-LC50 and ATU values for raw WASTEWATER were 30% (v/v) and 3.33, respectively. It was also found that LC50 values after 48 h for preliminary, primary, and secondary effluents were 32%, 52% and 85% (v/v), respectively. The ATU values for these effluents were 3.1, 1.9, and 1.8, correspondingly. The efficiency levels of preliminary, primary, and secondary units for removal of toxicity were found as 6%, 38.9% and 8%, in that order. Overall, the present investigation indicated that toxicity removal by up to 50% might be achieved in IWPT. Based on the obtained results and regarding the improvement of water quality standards, coupled with public expectations in Iran, it is necessary to consider more stringent water quality policies for regular monitoring and toxicity assessment.

Cites

EVALUATION OF ACID 4092 DYE SOLUTION TOXICITY AFTER UV/ZNO MEDIATED NANOPHOTOCATALYSIS PROCESS USING DAPHNIA MAGNA BIOASSAY

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APA: Copy

MOVAHEDIAN, H., BINA, B., & ASGHARI, GH.. (2005). TOXICITY EVALUATION OF WASTEWATER TREATMENT PLANT EFFLUENTS USING DAPHNIA MAGNA. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), 2(2), 1-4. SID. https://sid.ir/paper/541251/en

Vancouver: Copy

MOVAHEDIAN H., BINA B., ASGHARI GH.. TOXICITY EVALUATION OF WASTEWATER TREATMENT PLANT EFFLUENTS USING DAPHNIA MAGNA. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)[Internet]. 2005;2(2):1-4. Available from: https://sid.ir/paper/541251/en

IEEE: Copy

H. MOVAHEDIAN, B. BINA, and GH. ASGHARI, “TOXICITY EVALUATION OF WASTEWATER TREATMENT PLANT EFFLUENTS USING DAPHNIA MAGNA,” IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), vol. 2, no. 2, pp. 1–4, 2005, [Online]. Available: https://sid.ir/paper/541251/en

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