Jal Board to recycle wastewater | india | Hindustan Times
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Jal Board to recycle wastewater

DJB has found a new way to augment water supply to millions of homes —recycle wastewater back into the system at its three water treatment plants.

india Updated: Mar 02, 2009 23:12 IST
HT Correspondent

With summer looming over Delhi earlier than expected, Delhi Jal Board (DJB) has found a new way to augment water supply to millions of homes —recycle wastewater back into the system at its three water treatment plants.

The first such system, a 16-million gallons-per-day (MGD) wastewater recycling facility, was commissioned on Monday at the 200 MGD Haidarpur plant in North Delhi. This will benefit around 4 lakh consumers—or around 1 lakh families—in South, Northwest and West Delhi.

Within a few months, the treatment plants at Chandrawal, Wazirabad and Bhagirathi, too, will have such systems to take the amount of total recycled water to 45 MGD, which roughly is around 5 per cent of the total water supplied by the DJB, said Ramesh Negi, chief executive officer.

“Starting with the Haidarpur plant, we will install the system at all the water treatment plants,” he said.

Chandrawal will recycle 8 MGD, while Wazirabad will recycle 11 MGD and Bhagirathi will put 10 MGD wastewater back into the treatment process.

The pilot project has cost the DJB 26.59 crore.

Around 8 per cent of raw water treated (purified) at plants go waste in processing.

The aim of the project is to stem that wastage by filtering the water and putting it back into the system for treatment again.

The waste water passes through a three-stage filtering system before going back to the raw water channel to be treated by the plant all over again, Negi said.