Advertisements
Advertisements
प्रश्न
What would happen if a large volume of untreated sewage is discharged into a river?
उत्तर
It untreated sewage is discharged directly into rivers it will lead to serious pollution of the waters with organic matter and pathogenic bacteria, Protozoa and many other diseases. This water, if used will cause outbreaks of water-borne diseases.
APPEARS IN
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.
Name the tank to which the sewage water is passed after the preliminary treatment?
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
Which of the following is/are found in discharge from industrial waste?
______ refers to the organic matter which settles down after physical treatment of sewage.
Which of the following process is a part of preliminary treatment of sewage?
Wastewater treatment generates a large quantity of sludge, which can be treated by ______.
BOD of waste water is estimated by measuring the amount of ______.
Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.
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.
