India, July 26 -- The Greater Noida authority said it has decided to upgrade its wastewater treatment technology to further clean and recycle treated water. It has appointed Indian Institute of Technology (IIT) Delhi to prepare a detailed project report (DPR) on the upgrade method.

"All STPs are being prepared for a technical upgrade. A DPR is being prepared by IIT Delhi. The authority is trying to make treated water cleaner, and this water can also be recycled for industries in the city," said Prerna Singh, additional chief executive officer of the Greater Noida authority.

According to officials, the authority operates a 2mld (million litres per day) sewage treatment plant (STP) in Badalpur, a 137mld STP in Kasna, a 15mld STP in Ecotec...