Some of these bacteria are aerobic, others are anaerobic; some are phototrophic ... potentially toxic ammonium excreted in fish urine. Denitrification is the process that converts nitrate to ...

To investigate the total N₂ production rates and relative contribution of denitrification and anaerobic ammonium oxidation (anammox) to benthic fixed-N removal processes, we conducted 15N ...

Unlike the original symbiont species, which can only perform anaerobic respiration (i.e., denitrification), all new symbiont species actually encode a terminal oxidase—an enzyme that enables ...

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nitrification and denitrification, phosphorus removal, fixed-film processes analysis and design, anaerobic processes analysis and design, aerated lagoons and stabilization ponds, and natural treatment ...