What is Biological Nitrification ?
Nitrogen Removal in Municipal Waste Water Engineering
What is Biological Denitrification ?
Phosphorus Removal in Municipal Waste Water Engineering.
Explain septic tanks with neat Diagram .
Design Consideration. Advantages and Disadvantages of Design consideration.
Describe Two- Pit Latrines? Advantages and Disadvantages of Two - pit Latrines.
Expalin Eco - Toilet ? Advantages and Disadvantages.
Soak Pits ? Advantages and Disadvantages of soak pit