- Keywords sewage in scenical site;aerated nitrification;biological contact oxidation;sludge return;
- Blood is aerated with oxygen in the lungs.
- The removal of ammonia in a zeolite media biological aerated filter (ZBAF) includes two types of reactions: nitrification and ion exchange.
- The mixed contents are aerated for 2-3 days.
- The nitrification behaviors in aerated biofilter with oyster shell as biofilm carrier were investigated under different ammonia concentrations and pH values.