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    • 9. 发明授权
    • Treatment of coal with metal containing compounds
    • 用含金属化合物处理煤
    • US4175924A
    • 1979-11-27
    • US767352
    • 1977-02-10
    • James K. KindigRonald L. Turner
    • James K. KindigRonald L. Turner
    • C01B31/02C10L9/02C10L9/10C10B57/00
    • C10L9/02
    • Raw coal is improved by reacting it with a metal containing compound selected from the group consisting of organic iron containing compounds which exert sufficient vapor pressure, with iron as a component in the vapor, so as to bring the iron into contact with the impurity at the reaction temperature, organic iron containing compounds in solution at the injection temperature, solid organic iron containing compounds capable of being directly mixed in solid form at the mixing temperature with the coal, and ferrous chloride, ferric chloride, and alkyl aluminum compounds, in order to enhance the magnetic susceptibility of certain impurities, e.g., pyrite and ash-forming minerals contained in the raw coal, thereby permitting the removal of these impurities by magnetic means.
    • 原煤通过与含有铁的化合物中所含的含金属化合物反应而得到改善,所述化合物发挥足够的蒸气压,以铁作为蒸汽中的成分,使铁与杂质接触。 反应温度,注射温度下溶液中含有机铁的化合物,在与混合温度下与固体形式直接混合的含固体有机铁的化合物,以及氯化亚铁,氯化铁和烷基铝化合物,以便 提高某些杂质的磁化率,例如原煤中含有的黄铁矿和成灰矿物质,从而允许通过磁力去除这些杂质。