Chlorinating the Trout Farm Effluent and Production of Trihalomethanes (THMs) Compounds

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Yavar Maryam; REZAEI TAVABE KAMRAN; Kabir Sara; Gholamzadeh Poorya

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Journal: Journal of Fisheries Year:2020 | Volume:73 | Issue:1 Page(s): 53-64

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Title

Chlorinating the Trout Farm Effluent and Production of Trihalomethanes (THMs) Compounds

Author(s)

Yavar Maryam | REZAEI TAVABE KAMRAN | Kabir Sara | Gholamzadeh Poorya | Issue Writer Certificate

Keywords

ChlorinationQ1

DisinfectionQ1

Trihalomethane compoundsQ1

Rainbow troutQ1

Abstract

Chlorination is a common method of water Disinfection in the world, especially in developing countries. But this process can cause harmful compounds such as trihalomethanes. In this research, the effects of different levels of Chlorination on trout effluent (cold fish), to produce Trihalomethane compounds (THMs), were investigated. Four hundred liters of effluent from a Rainbow trout farm sampled and transferred to Laboratory and divided into 15 containers with 20-liter capacity as the experimental unites. Then different concentrations of chlorine (sodium hypochlorite) were added to the containers, including five treatments (control), 10, 20, 30 and 40 mg / l, in triplicates and kept on the shaker for ventilation during a-24hr period. The results showed that the amount of trihalomethane has increasing trend while Chlorination increase. So that in the 40 mg / l Chlorination treatment, the total trihalomethane concentration was significantly higher and reached to 4 ± 82 μ g / l but in the control treatment, it was 15. 2 μ g / l. However, the mean of produced chloride-bromomethane did not show any significant differences among the chlorinate treatments (p> 0. 05). Also, with increasing the Chlorination concentration, the dichlorobromethane and chloroform showed significantly an increasing trend among treatments. Different levels of Chlorination had not any significantly effect on bromoform formation. The production of trihalomethanes due to the high level of organic matter in trout farm effluents was higher compared to the global health standards, except in the 10 mg / l treatment. Therefore, the maximum concentration of chlorine for trout wastewater treatment (cold-water fish), was 10 mg per liter, and proposed as a standard level.

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APA: Copy

Yavar, Maryam, REZAEI TAVABE, KAMRAN, Kabir, Sara, & Gholamzadeh, Poorya. (2020). Chlorinating the Trout Farm Effluent and Production of Trihalomethanes (THMs) Compounds. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), 73(1 ), 53-64. SID. https://sid.ir/paper/161932/en

Vancouver: Copy

Yavar Maryam, REZAEI TAVABE KAMRAN, Kabir Sara, Gholamzadeh Poorya. Chlorinating the Trout Farm Effluent and Production of Trihalomethanes (THMs) Compounds. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2020;73(1 ):53-64. Available from: https://sid.ir/paper/161932/en

IEEE: Copy

Maryam Yavar, KAMRAN REZAEI TAVABE, Sara Kabir, and Poorya Gholamzadeh, “Chlorinating the Trout Farm Effluent and Production of Trihalomethanes (THMs) Compounds,” JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 73, no. 1 , pp. 53–64, 2020, [Online]. Available: https://sid.ir/paper/161932/en

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