Figure 1. (a). Nitrate and nitrite concentration during denitrification at an initial nitrate concentration of 10 mg NO3--N L-1, pH 8, biomass concentration 2.2 g L-1 and 37ºC.
(b). Nitrate and nitrite concentration during denitrification at an initial nitrate concentration of 80 mg NO3--N L-1, pH 8, biomass concentration 11 g L-1 and 37ºC.


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