Global Pressurized Heavy Water Reactor market size was ** billion USD in 2021, and will expand at a CAGR of **% from 2022 to 2026, according to the report. Global and Chinese Pressurized Heavy Water Reactor Market 2022 is a professional and in-depth study on the current state of the global market with a focus on the Global and Chinese market. Description. This publication is the proceedings of two technical meetings held in 2012 and 2013 on fuel integrity, performances and advanced fuels for pressurized heavy water reactors (PHWRs). The objective of these meetings was to update the information on the performances of PHWR fuels, the status and trends in the use of advanced fuels in PHWRs A pressurized heavy-water reactor is a nuclear reactor that uses heavy water as its coolant and neutron moderator. PHWRs frequently use natural uranium as fuel, but sometimes also use very low enriched uranium. The heavy water coolant is kept under pressure to avoid boiling, allowing it to reach higher temperature without forming steam bubbles, exactly as for pressurized water reactor. While heavy water is very expensive to isolate from ordinary water, its low absorption of Scientific, technical publications in the nuclear field | IAEA A pressurized heavy-water reactor (PHWR) is a nuclear reactor, commonly using natural uranium as its fuel, that uses heavy water (deuterium oxide D2O) as its coolant and neutron moderator. The heavy water coolant is kept under pressure, allowing it to be heated to higher temperatures without boiling, much as in a pressurized water reactor.