Test Facility for Depleted Heavy Water Upgradation
August 1 , 2025
14 hrs 0 min
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- 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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