Chennai's second SWRO plant up and running

The second seawater reverse osmosis plant with a capacity of 100,000 m³/d to provide drinking water for the city of Chennai, India, has been commissioned...

The second seawater reverse osmosis (RO) plant to provide drinking water for the city of Chennai, India, was commissioned last month by the state’s chief minister, Selvi J Jayalalithaa.

Located 50 km south of Chennai, it will have a capacity of 100,000 m³/d and was constructed by VA Tech Wabag for the Chennai Metropolitan Water Supply & Sewage Board.

Although the facility is reported to only be currently producing at 50% capacity, this is expected to increase up to 100% in the coming weeks. It will supply water to residents of the southern suburbs of Chennai in Velachery, Pallipattu, Thiruvanmiyur and the localities along the IT corridor.

Pre-treatment technology will be supplied by Amiad Water Services and Seaguard ultrafiltration from Pentair X-Flow. The RO membranes are from Hydranautics/Nitto Denko and energy recovery features pressure exchangers from Energy Recovery Inc.

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