Which of the following is the correct expression of the aeration period in hours?
Which of the following activated sludge process has minimum food to microorganism ratio?
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The maximum aeration period for a conventional activated sludge system is
The organic loading in an activated sludge plant is defined as
_________ is defined as a volume in ml occupied by 1gram of solid in the mixed liquor after 30 minutes of settling.
The design value of food to microorganism ratio in the tapered aeration sludge process is
Which of the following sludge process has maximum aeration period?
The maximum BOD removal efficiency of the Step aeration process of the activated sludge system is
_________ is the time at which sewage is detained in the aeration tank.
Which of the following has minimum hydraulic retention time?
14 videos|99 docs|98 tests
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14 videos|99 docs|98 tests
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