Advertisements
Advertisements
प्रश्न
Why is this sewage water treatment essential?
Advertisements
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 role of microbes in sewage treatment.
What is the key difference between primary and secondary sewage treatment?
Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.
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.
After which of the following treatment BOD of the effluent is significantly reduced?
During sewage, treatment biogas is produced wits which include:
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
Why are flocs important in biological treatment of waste water?
Biochemical Oxygen Demand (BOD) may not be good index for pollution for water bodies receiving effluents from ______.
