In the sewage treatment, bacterial flocs are allowed to sediment in a setting tank. This sediment is called as

In the sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This sediment is called as

In the sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This sediment is called as

In the sewage treatement, bacterial flocs are allowed to sediment iin a settling tank. This sediment is calld as

In the sewage treatement, bacterial flocs are allowed to sediment iin a settling tank. This sediment is calld as

After the reductiof BOD of waste water, the bacterial flocs are allowed to sediment. Theis semiment is called

In oxidation pond , once BOD from the sewage is reduced significantly, the 'flocs' are allowed to sediment and it is known as :

In oxidation pond , once BOD from the sewage is reduced significantly, the 'flocs' are allowed to sediment and it is known as :

Once BOD from the sewage is reduced significantly, the 'flocs' are allowed to sediment and it is known as ........