Evaluation of removal efficiency of some chemical parameters of Bu-Ali Industrial Estate wastewater using Phragmites australis in surface flow constructed wetland

Subject Areas : Environment Pullotion (water and wastewater)

Fereshteh Peynabar ¹ (MSc Graduated in Environmental Science, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran.)
Soheil Sobhanardakani ² (Associate Professor, Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran. *(Corresponding Authour))
Mahdi Reyahi-Khoram ³ (Assisstant Professor, Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran.)

Received: 2014-02-02 Accepted : 2015-01-20 Published : 2019-07-23

Keywords: TSS, COD, Phragmites australis, Surface flow artificial wetland, Bu-Ali industrial town,

Abstract :

Background and Objective: Selection of appropriate technologies for wastewater treatment according to climate, economic and social conditions is very important. The use of non-advanced technology with low energy consumption wastewater treatment systems such as a constructed wetland is cost effective and contributes to environmental reclamation. The aim of this study was to determine the efficiency of surface flow constructed wetland in the removal of COD and TSS parameters from Bu-Ali industrial town wastewater. Method: For the removal of COD and TSS parameters from Bu-Ali industrial town wastewater, three shallow artificial wetlands with retention time of 2 days were made as pilot. The samples were collected using specific containers from the input and output of the reactor and analyzed according to the standard methods. The obtained data were analyzed using the SPSS 18.0 statistical package. Findings: The results showed that the removal efficiencies of COD and TSS were 75% and 80% respectively. Discussion and Conclusion: Although the removal efficiencies of COD and TSS in the surface flow constructed wetland containing Phragmites australis are acceptable, the treated wastewater is not suitable for irrigation because of the high concentration of organic matter at the wetland output.

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