1. Reasons for Choosing
Constructed Wetlands (CWs)
--
●
o Wastewater tariff
COST
--
●
o Investment
--
●
o O & M
TECHNOLOGY
--
●
o Ease of operation,
requirement for skilled operators
--
●
o Coliform / Helminth
removal
●
●
o Land requirement
--
●
o Dependence on
permanent power supply
●
●
o BOD / COD / SS removal
●
●
o Nutrient (N / P) removal
ENVIRONMENT
Convent.
Technol.
2-stage CW
● favourable -- unfavorable
Summary:
Technol. Appropriateness under Local Cond.