Complete removal of nitrate and nitrite by autotrophic denitrification in sulfur-limestone packed column reactor
Removal of nitrogenous compounds (NO 3-N and NO 2-N) in autotrophic denitrification
conditions was provided in a laboratory scale glass column reactor and the performance of
this reactor was evaluated. Autotrophic microorganisms quickly acclimated and fully
removed the NO 3-N after the first 6 days of operation. After reaching the steady state
conditions, NO 2-N was introduced to the reactor with changing concentrations of between 4
and 20.0 mg/L. Nitrite was found to be an inhibitory compound that the effluent …
conditions was provided in a laboratory scale glass column reactor and the performance of
this reactor was evaluated. Autotrophic microorganisms quickly acclimated and fully
removed the NO 3-N after the first 6 days of operation. After reaching the steady state
conditions, NO 2-N was introduced to the reactor with changing concentrations of between 4
and 20.0 mg/L. Nitrite was found to be an inhibitory compound that the effluent …
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