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Biological Nitrification and Denitrification Using Rotating Biological Contractors,

机译：使用旋转式生物承包器进行生物硝化和反硝化，

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This study evaluated the ability of Rotating Biological Contactors (RBC) to provide biological nitrification and denitrification of secondary treated domestic wastewater. The study involved both bench scale and pilot scale testing. The results indicated that the ammonia nitrogen application rate and volume to surface ratio of the unit are major design parameters to achieve proper nitrification with RBC units. Ninety four percent ammonia conversion was observed for an ammonia loading rate of 0.20lbs. NH3-N/l 1000sq ft/day. In order to achieve a high degree of nitrification, a minimum of two stages should be used in RBC unit design,and supplemental alkalinity addition may be required. The dentrification study indicated that RBC units can be used to achieve biological denitrification of domestic wastewater.

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