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High-pressure polymeric membrane
July 31 , 2025
12 hrs 0 min
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- The DRDO has successfully developed an indigenous nano-porous multi-layered polymeric membrane for high-pressure seawater desalination.
- It will be used in Indian Coast Guard (ICG) ships.
- It was developed by the DRDO’s Kanpur-based laboratory DMSRDE (Defence Materials Stores and Research & Development Establishment).
- It was a high-performance filtration membrane designed to purify seawater by filtering out salts and contaminants using nanoporous polymer layers.
- The Nanoporous architecture increases surface area and selectivity.
- Multi-layered design offers improved mechanical strength, salt rejection, and chemical resistance.
- Desalination is the process of removing dissolved salts and other impurities from saline water to produce fresh, drinkable water suitable for human consumption, agriculture, or industrial use.
- Reverse Osmosis (RO) is a membrane-based water purification process in which saline water is forced through semi-permeable membranes under high pressure.
- It allows only water molecules to pass through while blocking dissolved salts, minerals, and impurities.
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