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   efficiency of electrical coagulation process using aluminum electrodes for municipal wastewater treatment: a case study at karaj wastewater treatment plant  
   
نویسنده gholami yengejeh samad ,jafari mansoorian hossein ,majidi gharib ,yari ahmad reza ,khanjani narges
منبع environmental health engineering and management journal - 2017 - دوره : 4 - شماره : 3 - صفحه:157 -162
چکیده    background: the reuse of treated municipal wastewater is an important source of water for different purposes. this study evaluated the efficiency of the electrocoagulation process in removing turbidity, total suspended solids (tss), chemical oxygen demand (cod), nitrate, and phosphate from wastewater at the treatment facility in karaj, iran. methods: this experimental study was performed at a pilot scale and in a batch system. a 4-liter tank made from safety glass with 4 plate electrodes made from aluminum was unipolarly connected to a direct current power supply with a parallel arrangement. wastewater samples were taken from the influent at the karaj wastewater treatment facility. rates of turbidity, tss, cod, nitrate, and phosphate removal under different conditions were determined. results: the highest efficiency of cod, tss, nitrate, turbidity, and phosphate elimination was achieved at a voltage of 30 volts and a reaction time of 30 minutes. the rates were 88.43%, 87.39%, 100%, 80.52%, and 82.69%, respectively. conclusion: based on the results of this study, electrocoagulation is an appropriate method for use in removing nitrate, phosphate, cod, turbidity, and tss from wastewater.
کلیدواژه electrical coagulation process ,wastewater treatment
آدرس qom university of medical sciences, school of public health, department of environmental health engineering, ایران, kerman university of medical science, environmental health engineering research center, school of public health, department of environmental health, ایران. islamic azad university,hamedan branch, young researchers and elite club, ایران, qomuniversity of medical sciences, school of public health, department of environmental health engineering, ایران, qom university of medical sciences, research center for environmental pollutants, ایران, kerman university of medical sciences, school of public health, environmental health engineering research center, department of environmental health engineering, ایران
 
 

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