RVUNL_CE_Quiz 58

The ozonation in drinking water helps to remove

Type I settling in sedimentation tank is due to :

Disinfection of drinking water is done to remove

An average operating data for conventional activated sludge treatment plant is as follows:

Quantity of waste sludge = 10900 m³

Wastewater = 35000 m³/d

Calculate the aeration period in hours (h)?

If settling velocity is 1 cm/sec then corresponding surface loading in litre per day per m² will be

Which one of the following is not reduced by chlorination of water?