As to CODCr, BOD5, TP, TN and NH3-N, the removal rates in the traditional plants configuration got to 69.0%, 71.6%, 78.5%, 33.6% and 36.7% , irrespectively, and 65.7%, 64.6%, 84.5%, 20.2% and 18.3% in multiplayer plants configuration plantbeds.