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Question
Which amongst the following is a part of secondary treatment of wastewater?
Which amongst the following is a part of secondary treatment of wastewater?
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Solution
The correct option is C Aeration
Aeration is the process by which air is pumped into the clarified water to help aerobic bacteria to grow. Bacteria consume human waste, food waste, soaps and other unwanted matter still remaining in clarified water.
Screening is the first step in a wastewater treatment plant.
Chlorine is passed through water to disinfect it. It is usually the last step in a wastewater treatment plant.
Sludge formation takes place in during the primary treatment.
Aeration is the process by which air is pumped into the clarified water to help aerobic bacteria to grow. Bacteria consume human waste, food waste, soaps and other unwanted matter still remaining in clarified water.
Screening is the first step in a wastewater treatment plant.
Chlorine is passed through water to disinfect it. It is usually the last step in a wastewater treatment plant.
Sludge formation takes place in during the primary treatment.
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