Removal of ammonia from drinking water by biological nitrification in a fixed film reactor
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Simultaneous nitrification-denitrification in a sequencing batch reactor equipped with fixed Kaldnes carriers
The main aim of this study was to evaluate the performance of a modified sequencing batch reactor (MSBR) using fixed Kaldnes carriers fed with acclimated sludge for ammonium removal via simultaneous nitrification-denitrification (SND) in synthetic wastewater. The results exhibited a SND of 82.3% within a 450-minute cycle time which was higher than that of a SBR without carrier (69.83%). Nitrite...
متن کاملبهینه سازی حذف نیتروژن از فاضلاب مصنوعی از طریق حذف مرحله نیترات زایی از یک راکتور بیوفیلمی بستر ثابت
Background and Objectives: In order to optimize wastewater nitrogen removal and to reduce the problems of entering nutrients in final receptors, for example, a lake, partial nitrification, as a novel nitrogen removal method, was studied. Materials and Methods: The efficiency of simultaneous nitrification and denitrification (SND) in partial nitrification through nitrification/denitrification...
متن کاملEvaluation of the Efficiency of Integrated Fixed-Film Activated Sludge reactor for Treatment of Wastewater from Vegetable Oil Industries
Background & Aims of the Study: Wastewater discharges from vegetable oil industry cause environmental problem, including pollution of groundwater and surface water. Therefore, this study evaluated the efficiency of Integrated Fixed-Film Activated Sludge (IFAS) reactor for treatment of wastewater from Varamin vegetable oil industries. Materials & Methods: This was an experimental study. The ...
متن کاملInfluence of hydraulic loading and air flowrate on urban wastewater nitrogen removal with a submerged fixed-film reactor.
Nutrient disposal to sensitive areas, particularly nitrogen and phosphorus from wastewater treatment plants, provokes eutrophication reducing water quality. Fixed film technology is widely used for the removal of organic matter and nitrogen by the biological process of nitrification-denitrification. This paper studies a nitrification and post-denitrification lab-scale plant with a downflow aero...
متن کاملRemoval of Ammonium from Synthetic Wastewater using Integrated Fixed Film Activated Sludge (IFAS) includes Powder Activated Carbon
Background & Aims of the Study: High concentration of nitrogen compounds in water and wastewater can be caused various problems and diseases such as methhemoglobinemia and eutrophication. The aim of this study was investigated nitrification and denitrification from wastewater using integrated fixed film activated sludge (IFAS) includes powder activated carbon. Materias and Methods: The labo...
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تاریخ انتشار 2009