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    • 2. 发明授权
    • Metal hydride addition for reducing corrosion potential of structural
steel
    • 金属氢化物添加用于降低结构钢的腐蚀电位
    • US06024805A
    • 2000-02-15
    • US968970
    • 1997-11-12
    • Young Jin KimPeter Louis AndresenGeorge Charles Sogoian
    • Young Jin KimPeter Louis AndresenGeorge Charles Sogoian
    • C23C26/00C23F11/18G21C17/022C23C8/00
    • G21C17/0225C23C26/00C23F11/185
    • A method for reducing the corrosion potential of steel vessels and piping used in nuclear reactors, in particular steel vessels and piping carrying high temperature water and/or steam which has a concentration of oxygen therein. A metal hydride is added to the water, the hydrogen of such metal hydride combining with oxidizing agents, typically oxygen, present in the water to reduce the concentration of such oxidizing agents. In the preferred embodiment the metal of the metal hydride is a metal that is capable of reacting with oxygen to form a substantially non-water soluble and substantially electrically insulating compound on the surface of the steel, and in particular is one that may react with and become deposited or incorporated into a pre-existing thin oxide film layer on the surface of the steel to thereby render such thin oxide layer substantially non-electrically conducting.
    • 一种用于降低核反应堆,特别是含有其中具有氧浓度的高温水和/或蒸汽的钢容器和管道的钢管和管道的腐蚀电位的方法。 将金属氢化物加入到水中,这种金属氢化物的氢与存在于水中的氧化剂(通常为氧)结合,以降低这种氧化剂的浓度。 在优选的实施方案中,金属氢化物的金属是能够与氧反应以在钢的表面上形成基本上非水溶性且基本上电绝缘的化合物的金属,特别是可与 变得沉积或并入到钢表面上的预先存在的薄氧化膜层中,从而使这种薄氧化层基本上不导电。
    • 7. 发明授权
    • Catalytic hydrogen peroxide decomposer in water-cooled reactors
    • 水冷反应器中催化过氧化氢分解器
    • US06259758B1
    • 2001-07-10
    • US09259645
    • 1999-02-26
    • Young Jin KimLeonard William NiedrachGeorge Charles SogoianRobert Lee Cowan, II
    • Young Jin KimLeonard William NiedrachGeorge Charles SogoianRobert Lee Cowan, II
    • G21C900
    • G21C17/0225G21Y2002/103
    • A metal cooling tube of a water-cooled nuclear reactor, having an inner surface thereof exposed to an aqueous cooling medium containing hydrogen peroxide. The cooling tube has its inner surface coated with matter selected from the group consisting of the element manganese, molybdenum, zinc, copper, cadmium for absorbing such hydrogen peroxide and then affecting decomposition of the hydrogen peroxide in the aqueous medium. In preferred embodiment such coating is manganese and oxides thereof. A method for lowering the electrochemical corrosion potential of a metal allow cooling tube exposed to an aqueous medium in a water-cooled nuclear reactor is also disclosed. Such method comprises the step of coating an inner surface of such tube with matter selected from the group of elements comprising manganese, molybdenum, zinc, copper, cadmium, so as to permit absorption and hydrogen peroxide in such aqueous medium and effect decomposition of hydrogen peroxide in such aqueous medium.
    • 水冷核反应堆的金属冷却管,其内表面暴露于含有过氧化氢的含水冷却介质中。 冷却管的内表面涂有选自元素锰,钼,锌,铜,镉的物质,用于吸收这种过氧化氢,然后影响水介质中过氧化氢的分解。 在优选的实施方案中,这种涂层是锰及其氧化物。 还公开了一种用于降低金属的电化学腐蚀电位的方法,允许在水冷核反应堆中暴露于水性介质的冷却管。 这种方法包括用选自锰,钼,锌,铜,镉的元素组的物质涂覆这种管的内表面的步骤,以便允许在这种水性介质中吸收和过氧化氢并且实现过氧化氢的分解 在这种水性介质中。