• You MUST answer questions 1, 2, and 3. • You choose your favorite three of the remaining four questions.
1. (25) Your wastewater treatment plant serves a community of 50,000 people. The average person contributes 300 L/day of wastewater to your plant. The aeration basin at your plant has a volume of 6000 m3. The concentration of the substrate in the wastewater entering your CSTR aeration basin is 300 mg substrate. The microbial community in your aeration basin has the following Monod L mg substrate mg substrate 0.1 kd = 5 and Y = 0.80 mg biomass parameter values: Ks = 60 L k = 6 mg biomass •day- clay- mg substrate
What are the substrate and biomass concentrations in your aeration basin?
