The hea to the activated sludge process is –
Correct Answer: Aeration tank
Description: The hea of activated sludge process is aeration tank. The effluent from primary sedimentation tank is mixed with sludge drawn from the final settling tank,rich in aerobic bacteria.The mixture is subjected to aeration in aeration chamber for about 6 to 8 hours.During aeration organic matter get oxidised to carbon dioxide,nitrates,and water with help of aerobic bacteria in activated sludge.The typhoid and cholera organisms get destroyed and coliforms are reduced. Parks textbook of preventive and social medicine.K Park. Edition 23. page no:764
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now