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pressurized water reactor |
Also found in: Wikipedia, Hutchinson | 0.01 sec. |
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pressurized water reactor [′presh·ə‚rīzd ′wȯd·ər rē‚ak·tər] (nucleonics) A nuclear reactor in which water is circulated under enough pressure to prevent it from boiling, while serving as moderator and coolant for the uranium fuel; the heated water is then used to produce steam for a power plant. Abbreviated PWR. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Steam generators are manufactured with strong low-alloy steel made of manganese, molybdenum and nickel steel, a combination highly resistant to the strong pressures characteristic of pressurized reactor (primary) and secondary coolants. By controlling the urea injection rate into a heated and pressurized reactor, urea is converted into ammonia for subsequent injection into exhaust gases upstream of a SCR catalyst. |
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