RBCs have been used for denitrification, as well as for
aerobic treatment. Estimate the surface area needed to remove essentially all
30 mg N03-N /1 from a wastewater by a complete-mix RBC having a temperature of
20°C, methanol is the carbon source and litniting substrate, the effluent
methanol concentration is 1 mg/I, and Q = 10001/ d. You may assume that the
average SRT is 33 d to calculate the stoichiometry, which you may assume is
constant Also, you may assume steady-state operation, and the following
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