Article ID Journal Published Year Pages File Type
683409 Bioresource Technology 2009 6 Pages PDF
Abstract

In this study, pilot-scale experiments for the removal of nitrogen from sewage obtained from a county Y sewer system were performed using modified A2O processes. Using this approach, the total amount of nitrogen discharged during denitrification of the influent was average 38.6 mg/L and a level of average 10.8 mg/L was maintained throughout the denitrification process, which resulted in an average removal efficiency that was greater than 72%. The nitrogen components in the effluent water consisted of 22% ammonia nitrogen, 6% nitrite nitrogen and 72% nitrate nitrogen, reaching a nitrification efficiency of 94%. In conclusion, since these advanced treatment methods, which involve modified A2O processes, were successfully employed to remove nitrogen from sewage discharge, they hold promise for wide spread use by treatment plants.

Related Topics
Physical Sciences and Engineering Chemical Engineering Process Chemistry and Technology
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