The wastewater treatment plant .6 manager of your town decided to reduce the cell residence time of their activated sludge process from 8 days to 4 days by increasing the recycle rate. His goal is to reduce the oxygen requirement of the aeration tank. According to this decision will the bacteria concentration in the tank * will )4 نقطة( Increase Decrease Stay the same, since the .recirculation ratio will be increased .None of the above

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