750 million litres per day sea water reverse osmosis desalination plant coming up in Chennai

Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) is building 750 million litres per day (MLD) Sea Water Reverse Osmosis (SWRO) desalination project. The project is being funded by Japan International Cooperation Agency (JICA), on completion the plant will have total capacity of 750MLD and will be the largest desalination plant in the Southeast Asian region.

Va Tech Wabag, the Chennai based multinational company operating in the field of water treatment and desalination has secured the contract to design, build and operate for the 400 million litres per day (MLD) Sea Water Reverse Osmosis (SWRO) desalination project from Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB). The scope of the contract includes design, engineering, procurement, construction, installation, testing and commissioning of the 400 MLD SWRO desalination plant and the associated seawater intake system over a period of 42 months followed by 20 years of Operation and Maintenance (O&M). The desalination process will include Lamella Clarifiers, Dissolved Air Flotation System, Gravity Dual Media Filters followed by Reverse Osmosis and Re-mineralisation to produce clean drinking water which will be distributed by the CMWSSB to the residents of south Chennai.