The Nemmeli Desalination Plant Inaugurated

India’s largest seawater desalination project for municipal use is the most significant project in the country in terms of seawater treatment, fully developed by the consortium formed by Cobra-Tedagua and Tecton for the Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB). It has a production capacity of 150,000 m3/day of drinking water that provides desalinated water supply to more than one million people in one of the most populated areas of the world.

This is a project with a design based on the reliability of the installation, featuring a versatile pretreatment that includes lamellar sedimentation, DAF, ultrafiltration and the usual chemical adjustments. This makes the plant increase its adaptation against poor raw water qualities or even sudden influent variations. All this, together with a low electricity consumption, makes it one of the most robust plants to reduce the carbon footprint against the effects of Climate Change.

The water will be distributed to 14 urban areas in the south of Chennai, benefiting a densely populated area with limited access to quality water resources and exposed to water scarcity. The close collaboration between Tedagua and all related actors has made this execution a success, starting its operation for a period of 20 years, where it is expected to improve the standard of living of more than one million inhabitants.

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