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This study investigated the efficiency of a sequential system involving surface flow and vegetated sub-surface constructed wetland (CW) in treatment Brewery Wastewater. Six experimental CW (2 4 subsurface flow) control (1 2 with 200 mm depth 19.05 diameter granite 100 sharp sand as substrate were used for experiment. The CWs planted locally available macrophytes: water hyacinth (Eichhornia cras...