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प्रश्न
Why is this sewage water treatment essential?
उत्तर
Importance of sewage water treatment:
- The sewage water contains pathogenic microorganisms like bacteria, viruses, protozoa, and parasitic worms, which can spread a variety of diseases.
- Also, it contains harmful chemicals that may cause toxicity if mixed with the natural resources of water. Therefore, sewage water treatment is essential before it can be discharged into natural bodies.
APPEARS IN
संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Due to which of the following reason/s sewage water cannot be discharged directly into river?
Into which of the following the sewage water is pumped after preliminary treatment?
Identify the INCORRECT statement with respect to sewage treatment.
During tertiary treatment, the bacterial floes sediment in the sedimentation tank, this sediment is called ____________.
Which of the following is TRUE regarding 'Flocs'?
Methanogenic bacteria are not found in ______.
Why do we prefer to call secondary waste water treatment as biological treatment?
Why are flocs important in biological treatment of waste water?
