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प्रश्न
Why is this sewage water treatment essential?
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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.
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संबंधित प्रश्न
What is primary treatment of sewage?
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
The purpose of biological treatment of waste water is to ______.
In which of the following microbial digestion of organic wastes of sewage takes place?
Which of the following occurs during tertiary treatment?
Which of the following occurs during secondary treatment?
In which of the following step large and small particles are removed from sewage through sequential filtration and sedimentation?
In what way anaerobic sludge digestion is important in sewage treatments?
