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    • 24. 发明申请
    • Process for preparing a sulphur cement product
    • 硫磺水泥制品的制备方法
    • US20070006780A1
    • 2007-01-11
    • US11392066
    • 2006-03-29
    • Carolus Matthias MestersMarinus ReynhoutGuy Lode Verbist
    • Carolus Matthias MestersMarinus ReynhoutGuy Lode Verbist
    • C04B28/26
    • C04B28/36C01B17/0216C01B17/046C01B17/0469C04B14/06C04B24/00C04B40/0259
    • The invention provides a process for preparing a sulphur cement product comprising the following steps: (a) selectively oxidising hydrogen sulphide to elemental sulphur by contacting, in a reaction zone, a hydrogen sulphide containing feed gas and a molecular-oxygen containing gas with a particulate oxidation catalyst under selective oxidation conditions; (b) discharging a stream comprising liquid and/or solid elemental sulphur and particulate oxidation catalyst from the reaction zone; (c) admixing the stream comprising elemental sulphur and particulate oxidation catalyst with at least any one of elemental sulphur, a sulphur cement filler, a sulphur cement modifier, or aggregate at a temperature at which sulphur is molten; (d) solidifying the mixture obtained in step (c) by cooling it to a temperature below the melting temperature of sulphur to obtain the sulphur cement product. The invention further provides the use of a stream comprising elemental sulphur and particulate oxidation catalyst for preparing a sulphur cement product, which stream is obtained in selective oxidation step (a) of such process.
    • 本发明提供了一种制备硫磺水泥产品的方法,包括以下步骤:(a)通过在反应区中将含硫化氢的进料气体和含分子氧气体与颗粒物接触,将硫化氢选择性氧化成元素硫 选择氧化条件下的氧化催化剂; (b)从反应区排出包含液体和/或固体元素硫和颗粒氧化催化剂的物流; (c)在硫熔融的温度下将包含元素硫和颗粒氧化催化剂的物流与元素硫,硫磺水泥填料,硫磺水泥改性剂或骨料中的至少一种混合; (d)将步骤(c)中得到的混合物冷却至低于硫的熔融温度的温度,得到硫磺水泥产品。 本发明还提供了包含元素硫和颗粒氧化催化剂的流的用途,用于制备硫磺水泥产品,该流是在这种方法的选择性氧化步骤(a)中获得的。