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DRDO develops high-pressure polymeric membrane for sea water desalination

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     Defence Research & Development Organisation (DRDO) on 15 May, 2025 successfully developed indigenous nanoporous multilayered polymeric membrane for high-pressure sea water desalination. Defence Materials Stores and Research & Development Establishment (DMSRDE), the Kanpur-based laboratory of DRDO, has developed the technology for desalination plant in Indian Coast Guard (ICG) ships, based on their operational requirement to address the serious challenge of stability when exposed to chloride ions in saline water. The development has been completed in a record time of eight months.

DMSRDE, along with ICG, successfully carried out initial technical trials in the existing desalination plant of Offshore Patrolling Vessel (OPV) of ICG. The initial safety and performance trials of the polymeric membranes were found to be fully satisfactory. The final operational clearance will be given by ICG after 500 hrs of operational testing.