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DescriptionCANDU Reactor Schematic.svg
English: Schematic diagram of the pressurised heavy water cooled version of a CANDU (CANada Deuterium-Uranium) nuclear reactor. - The pressurized heavy water (PHW) cooled version was the first type to be developed and is by far the most widely used. - A pressurised heavy water reactor is a nuclear power reactor that uses unenriched natural uranium as nuclear fuel and heavy water as moderator and as primary coolant. The heavy water is kept under pressure in order to raise its boiling point, allowing it to be heated to higher temperatures and thereby carry more heat out of the reactor core. - See below for the labels.
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