TNPSC Thervupettagam

Test Facility for Depleted Heavy Water Upgradation

August 1 , 2025 14 hrs 0 min 51 0
  • India has inaugurated its first private test facility for the upgrading of depleted heavy water.
  • Mumbai-based TEMA India has been entrusted with testing the equipment highly required for upgrading of depleted heavy water.
  • Heavy water (D2O) is a form of water (H2O) with deuterium, a heavier isotope of hydrogen, instead of regular hydrogen.
  • It is used as a coolant as well as moderator for slowing down the fast-moving neutrons during a chain reaction.
  • D2O needs to be 99.9% pure for working efficiently.
  • But with time, it gets contaminated with light or regular water.
  • So, it was requiring the depleted D2O to be upgraded back to 99.9% using a distillation process.
  • India has set its eyes at achieving 100 GW of installed nuclear energy capacity by 2047.
  • There are 24 nuclear reactors operational in India, with an installed capacity of 8,780 MW.

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