Fig. 8: Pictorial representation of wastewater treatment by constructed wetlands in East Kolkata, West Bengal, India. | npj Clean Water

Fig. 8: Pictorial representation of wastewater treatment by constructed wetlands in East Kolkata, West Bengal, India.

From: Investigating bio-remediation capabilities of a constructed wetland through spatial successional study of the sediment microbiome

Fig. 8

The raw sewage water from different sewage canals (stage 1) enters wetlands (stage 2) utilised for aquaculture activities and then goes into natural streams/rivers (stage 3). The wetlands in stage 2 are purposed as natural treatment systems of urban wastewater. In the study, Sardar Bherry was selected as the model system to investigate the role of microbiome-based bio-treatment and reuse systems of urban wastewater in constructed wetland treatment systems.

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