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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 part of secondary treatment of wastewater. It is the process in which air is pumped into the clarified water to help aerobic bacteria to grow. Bacteria consume human waste, food waste, soaps and other remaining unwanted matter present.
- Screening is the first step of wastewater treatment wherein large objects like cans and rags are removed.
- Chlorination is a process of disinfecting water by adding chlorine to it. It is usually the last step in a wastewater treatment plant.
- Sludge formation takes place during the primary treatment step.
- Aeration is the part of secondary treatment of wastewater. It is the process in which air is pumped into the clarified water to help aerobic bacteria to grow. Bacteria consume human waste, food waste, soaps and other remaining unwanted matter present.
- Screening is the first step of wastewater treatment wherein large objects like cans and rags are removed.
- Chlorination is a process of disinfecting water by adding chlorine to it. It is usually the last step in a wastewater treatment plant.
- Sludge formation takes place during the primary treatment step.
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