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प्रश्न
Explain the function of “anaerobic sludge digester” in a sewage treatment plant.
उत्तर
An anaerobic sludge digester is a large tank where the anaerobic bacteria digest the bacteria and fungi in the sludge and produce a mixture of gases such as methane, H2S and CO2.
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संबंधित प्रश्न
Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand (BOD) it.
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
Why is this sewage water treatment essential?
Identify the type of microorganisms involved in floe formation during sewage treatment.
Study the following statements regarding tertiary treatment of sewage and choose the correct option.
i. It produces methane gas.
ii. The effluents formed from these plants undergo chlorination.
iii. BOD is significantly increased at this step.
iv. It includes screening and passage of effluent through grit chamber.
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
The primary treatment of waste water involves the removal of ______.
Activated sludge should have the ability to settle quickly so that it can ______.
Which of the following statement is correct for Sewage Treatment Plants (STPs)?
The aeration tank of a sewage treatment plant is not functioning properly. Explain in detail the impact of this on the treatment of sewage and BOD of the effluent.
