Published in: فصلنامه انرژی و محیط زیست ایران، دوره: 2، شماره: 1
COI code: JR_IJEE-2-1_001
Paper Language: English
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Authors Investigation of Temperature and Influent Loadon Nitrifying Treatment of Using Wastewater CFDBaharak Sajjadi - Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
Mostafa Keshavarz Moraveji - Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
Reza Davarnejad - Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
Abstract:The paper describes the effect of temperature, ammonia concentration and feed flow rate on nitrifyingtreatment of wastewater usage Computational Fluid Dynamics (CFD) for two phase bubbly flow in a splitcylindrical airlift reactor with a 0.085 m initiator diameter and 0.505 m height. Superficial gas velocity was usedas the operational parameter, air was used as the dispersed phase, and wastewater containing ammonia wasused as continuous phase. Temperature enhancement in a constant O and NH concentrations, resulted the 2 4+increase of reactions rate also NO had an increase of about 3 times as much. By the feed flow rate increase, 2-O consumption increase and the rate of NO production increase more than NO but decrease the reactions 2 2 3- -efficiency decrease in a constant time. NH concentration enhancement leads to the increase of O 4 2+consumption and better reactions efficiency at higher NH concentration, NO concentration increases more. 4 2+ -Modeling results are compared with the experimental data. The CFD modeling results show suitable agreementwith the experimental data
Keywords:Airlift reactor % Wastewater treatment % Nitrification % Free ammonia
COI code: JR_IJEE-2-1_001
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Sajjadi, Baharak; Mostafa Keshavarz Moraveji & Reza Davarnejad, 2010, Investigation of Temperature and Influent Loadon Nitrifying Treatment of Using Wastewater CFD, Iranica Journal of Energy and Environment (IJEE) 2 (1), https://www.civilica.com/Paper-JR_IJEE-JR_IJEE-2-1_001.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Sajjadi, Baharak; Mostafa Keshavarz Moraveji & Reza Davarnejad, 2010)
Second and more: (Sajjadi; Keshavarz Moraveji & Davarnejad, 2010)
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Type: state university
Paper No.: 2763
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