A fully mixed reactor is used to treat wastewater by anaerobic digestion and follows first-order kinetics....

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A fully mixed reactor is used to treat wastewater by anaerobic digestion and follows first-order kinetics. The volume of the reactor is 550 m3, the volumetric flow rate of the inlet and outlet is 60 m3/day, the water concentration worn at the entrance is 150 mg/L and k = 0.246 j^-1. Derive the design equation for a fully mixed reactor. What is the system HRT and output concentration? Derive the design equation for a PFR reactor and determine the volume required for a PFR achieves the same degree of pollutant reduction as CSTR. Suppose that the flow and k are unchanged. Which system is the most efficient (conc removal/m3 of volume)? A fully mixed reactor is used to treat wastewater by anaerobic digestion and follows first-order kinetics. The volume of the reactor is 550 m3, the volumetric flow rate of the inlet and outlet is 60 m3/day, the water concentration worn at the entrance is 150 mg/L and k = 0.246 j^-1. Derive the design equation for a fully mixed reactor. What is the system HRT and output concentration? Derive the design equation for a PFR reactor and determine the volume required for a PFR achieves the same degree of pollutant reduction as CSTR. Suppose that the flow and k are unchanged. Which system is the most efficient (conc removal/m3 of volume)?