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प्रश्न
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
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उत्तर
Flocs contain aerobic microbes that grow in aeration tank during secondary treatment of effluent and consume a major part of the organic matter of the effluent.
In anaerobic sludge digester, anaerobic type of bacteria grow and digest the rest of the organic compounds and produce a mixture of gases such as methane, hydrogen sulphide and carbon dioxide (biogas).
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संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
Rearrange the names of tanks used in sewage treatment as per the flow of the procedure.
- Settling tank
- Grit Chamber
- Aeration tanks
- Primary sedimentation tank.
Due to which of the following reason/s sewage water cannot be discharged directly into river?
In the process of biogas production which of the following anaerobic bacteria are used?
Identify the type of microorganisms involved in floe formation during sewage treatment.
What happens during the course of sewage decomposition?
BOD of waste water is estimated by measuring the amount of ______.
Why are flocs important in biological treatment of waste water?
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
Which one is wrongly matched?
