IISc Researchers Develop Wastewater Recycling System

IISc Researchers Develop Wastewater Recycling System
30/11/2020 , by , in ALLIED

Researchers at the Centre for Sustainable Technologies, Indian Institute of Science (IISc), have developed an efficient decentralised wastewater treatment and recycling system at Berambadi primary school situated in the remote village of Berambadi in Karnataka.

According to IISC, the research team operated the greywater treatment system for a year and monitored the different physicochemical and biological characteristics of the greywater at the entry and exit points. The performance of every treatment stage was quantified in terms of removal efficiencies (REs) of turbidity, Total Suspended Solids (TSS), nitrate, total phosphorus, Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and faecal coliforms (FC).

Overall, the system showed high REs more than 90 per cent for most of the parameters. About 667 litres of greywater were treated daily using the system, saving around 180,000 litres of water annually. Such a robust wastewater management system can be replicated in both rural and urban settings after taking into consideration various factors such as space limitations, baseline greywater quality and daily flowrates, the authors suggested explaining how the system works.

 

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