Conventional Wastewater Treatment Process

Conventional Mechanical STP

Advantages / Disadvantages

Advantages

Can fit in Small area

Disadvantages

High operating costs (skilled labor, electricity, etc.)

Generates solids requiring sludge disposal

Some process alternatives are sensitive to shock loads and metallic or other poisons

Requires continuous air supply

Has odour issues

Mechanical STP at The Society of Sisters of Our Lady of Fatima , Mumbai orphanage