Advertisements
Advertisements
प्रश्न
What is primary treatment of sewage?
Advertisements
उत्तर
Filtration and sedimentation [Physical process] to remove floating debris and heavy particles respectively are primary treatment of sewage.
APPEARS IN
संबंधित प्रश्न
What is sewage?
Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.
In the process of biogas production which of the following anaerobic bacteria are used?
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?
Which of the following process is a part of preliminary treatment of sewage?
Nitrogen fixation by organisms requires conditions that are:
Why do we prefer to call secondary waste water treatment as biological treatment?
Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.
What would happen if a large volume of untreated sewage is discharged into a river?
