343933 Select the correct answer
I. BOD refers to the amount of the oxygen that would be released if all the organic matter in one liter of water were oxidised by bacteria.
II. The greater the BOD of waste water, more is its polluting potential

343934 In the primary treatment of sewage, the soil and small pebbles are removed by

343935 In STPs after reduction of the BOD, the remaining major part of sludge is pumped into large tanks called

343936 After significant reduction in BOD of waste water, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called

343937 Statement A :
The municipal wastewater is also called sewage.
Statement B :
In secondary treatment, useful aerobic microbes grow rapidly and form flocs.

343933 Select the correct answer
I. BOD refers to the amount of the oxygen that would be released if all the organic matter in one liter of water were oxidised by bacteria.
II. The greater the BOD of waste water, more is its polluting potential

343934 In the primary treatment of sewage, the soil and small pebbles are removed by

343935 In STPs after reduction of the BOD, the remaining major part of sludge is pumped into large tanks called

343936 After significant reduction in BOD of waste water, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called

343937 Statement A :
The municipal wastewater is also called sewage.
Statement B :
In secondary treatment, useful aerobic microbes grow rapidly and form flocs.

343933 Select the correct answer
I. BOD refers to the amount of the oxygen that would be released if all the organic matter in one liter of water were oxidised by bacteria.
II. The greater the BOD of waste water, more is its polluting potential

343934 In the primary treatment of sewage, the soil and small pebbles are removed by

343935 In STPs after reduction of the BOD, the remaining major part of sludge is pumped into large tanks called

343936 After significant reduction in BOD of waste water, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called

343937 Statement A :
The municipal wastewater is also called sewage.
Statement B :
In secondary treatment, useful aerobic microbes grow rapidly and form flocs.

343933 Select the correct answer
I. BOD refers to the amount of the oxygen that would be released if all the organic matter in one liter of water were oxidised by bacteria.
II. The greater the BOD of waste water, more is its polluting potential

343934 In the primary treatment of sewage, the soil and small pebbles are removed by

343935 In STPs after reduction of the BOD, the remaining major part of sludge is pumped into large tanks called

343936 After significant reduction in BOD of waste water, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called

343937 Statement A :
The municipal wastewater is also called sewage.
Statement B :
In secondary treatment, useful aerobic microbes grow rapidly and form flocs.

343933 Select the correct answer
I. BOD refers to the amount of the oxygen that would be released if all the organic matter in one liter of water were oxidised by bacteria.
II. The greater the BOD of waste water, more is its polluting potential

343934 In the primary treatment of sewage, the soil and small pebbles are removed by

343935 In STPs after reduction of the BOD, the remaining major part of sludge is pumped into large tanks called

343936 After significant reduction in BOD of waste water, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called

343937 Statement A :
The municipal wastewater is also called sewage.
Statement B :
In secondary treatment, useful aerobic microbes grow rapidly and form flocs.