New technology for sewage treatment to boost lakes’ revival in Delhi

NEW DELHI: To revive lakes in the city with quality treated water, Delhi government is adopting a new technology that does aeration and bacteria treatment of the sewage to augment efficiency of the sewage treatment plants (STPs).Officials said they aimed at treating over 500MGD sewage, and over 150MGD treated water would be infused into the lakes, including 25 acres of Sanjay Lake. The technology uses aeration machines and the integrated fixed film activated sludge (IFAS) process to quickly enhance dissolved oxygen (DO) and reduce biochemical oxygen demand (BOD). While the…

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