Advertisements
Advertisements
प्रश्न
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
उत्तर
Flocs are masses of bacteria embedded in fungal filaments to form a mesh-like structure.
These flocs consume organic matter in wastewater and reduce the B.O.D. levels in the water. The flocs form a part of activated sludge, a small part of which is pumped back into aeration tank to help as inoculums.
APPEARS IN
संबंधित प्रश्न
Explain the process of sewage water treatment before it can be discharged into natural water bodies.
Describe how do 'flocs' and 'activated sludge' help in Sewage Treatment.
What is primary treatment of sewage?
Rearrange the names of tanks used in sewage treatment as per the flow of the procedure.
- Settling tank
- Grit Chamber
- Aeration tanks
- Primary sedimentation tank.
Which of the following occurs during secondary treatment?
Identify the INCORRECT statement with respect to sewage treatment.
Which of the following process is a part of preliminary treatment of sewage?
Activated sludge should have the ability to settle quickly so that it can ______.
Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.
In what way anaerobic sludge digestion is important in sewage treatments?
