Calculate design parameters for the aeration tank of wastewater plant. The following data is provided: • The average flow rate is 310 000 m3/d • There are 9 aeration tanks with total volume of 103 500 m3 • The amount of biodegradable matter in the influent is 0,4 kg BOD7/m3/d • The microorganism concentration is 4 g MLVSS/L a. Calculate the hydraulic detention time and the food-to-microorganism-ratio.

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Calculate design parameters for the aeration tank of wastewater plant. The following data is provided: • The average flow rate is 310 000 m3/d • There are 9 aeration tanks with total volume of 103 500 m3 • The amount of biodegradable matter in the influent is 0,4 kg BOD7/m3/d • The microorganism concentration is 4 g MLVSS/L a. Calculate the hydraulic detention time and the food-to-microorganism-ratio.

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