INVESTIGATION OF TOXICITY CHANGES OF CATECHOL IN OXIDATION PROCESS WITH OZONE BY BIOASSAY

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KERMANI M.; FARZADKIA M.; ESRAFILI A.; DADBAN SHAHAMAT Y.; Fallah Jokandan S.

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Journal: Iranian Journal of Health and Environment Year:2017 | Volume:10 | Issue:2 Page(s): 237-248

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Title

INVESTIGATION OF TOXICITY CHANGES OF CATECHOL IN OXIDATION PROCESS WITH OZONE BY BIOASSAY

Author(s)

Keywords

CATECHOLQ1

TOXICITYQ2

OZONATION PROCESSQ1

BIOASSAYQ2

DAPHNIA MAGNAQ1

Abstract

Background and Objective: Discharge of industrial wastewater containing CATECHOL has adverse effects on human and environmental health. Purpose of this study was to determine the effects of CATECHOL TOXICITY before and after advanced oxidation process (ozonation process) by BIOASSAY test with DAPHNIA MAGNA.Materials and Methods: This study is an applied research in which the TOXICITY of CATECHOL was determined by DAPHNIA MAGNA BIOASSAY test during the OZONATION PROCESS. First, CATECHOL stock solution was prepared at a concentration of 250 mg/L. Then, 10 samples were prepared that each contained 0 (control), 0.5, 1, 3, 6, 12, 25, 50, 75 and 100% of volume of primary solution. Initial samples were prepared from reactor effluent in the same volume as those of the samples. According to standard method, 10 Daphnia infants were added to each sample. The samples were observed after 24, 48, 72 and 96 hours. Finally, lethal concentration (LC50) and TOXICITY unit (TU) were calculated using Probit analysis.Results: According to the results, DAPHNIA MAGNA was affected by the TOXICITY of CATECHOL. LC50 (24-hour) for raw effluent was increased from 13.30 mL/100 mL to 30.4 mL/100 mL after 60 minutes Treatment. The TOXICITY unit was decreased from 7.51 TU to 3.29 TU accordingly, showing reduction of 56% in TOXICITY. The TOXICITY of the treated effluent decreased during OZONATION PROCESS of CATECHOL.Conclusion: Based on the BIOASSAY test, OZONATION PROCESS was able to reduce the TOXICITY of CATECHOL. Therefore, this process can be used as an option to treat wastewater that contains CATECHOL.

Cites

Determination of Catechol Toxicity Changes Before and After the Ctalytic Ozonation Process Using Bioassay Method

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APA: Copy

KERMANI, M., FARZADKIA, M., ESRAFILI, A., DADBAN SHAHAMAT, Y., & Fallah Jokandan, S.. (2017). INVESTIGATION OF TOXICITY CHANGES OF CATECHOL IN OXIDATION PROCESS WITH OZONE BY BIOASSAY. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 10(2), 237-248. SID. https://sid.ir/paper/145929/en

Vancouver: Copy

KERMANI M., FARZADKIA M., ESRAFILI A., DADBAN SHAHAMAT Y., Fallah Jokandan S.. INVESTIGATION OF TOXICITY CHANGES OF CATECHOL IN OXIDATION PROCESS WITH OZONE BY BIOASSAY. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2017;10(2):237-248. Available from: https://sid.ir/paper/145929/en

IEEE: Copy

M. KERMANI, M. FARZADKIA, A. ESRAFILI, Y. DADBAN SHAHAMAT, and S. Fallah Jokandan, “INVESTIGATION OF TOXICITY CHANGES OF CATECHOL IN OXIDATION PROCESS WITH OZONE BY BIOASSAY,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 10, no. 2, pp. 237–248, 2017, [Online]. Available: https://sid.ir/paper/145929/en

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