Thermal processes for the production of magnesium
    1.
    发明授权
    Thermal processes for the production of magnesium 失效
    用于生产镁的热处理

    公开(公告)号:US4190434A

    公开(公告)日:1980-02-26

    申请号:US915387

    申请日:1978-06-14

    IPC分类号: C22B26/22 C22B4/00

    CPC分类号: C22B26/22

    摘要: This invention relates to the thermal production of magnesium, using, as source of magnesium oxide, a residual slag from the manufacture of certain carbon-containing chrome irons and, as reducing agent, a ferro-silico-aluminum for carrying out the MAGNETHERM process. Magnesium is obtained with a high degree of purity and in excellent yields, with the recovery of a residual alloy containing chromium and silicon, and the production capacity of a given furnace is increased by about 16% compared with that obtained when using calcined dolomite.

    摘要翻译: 本发明涉及使用作为氧化镁源的来自制造某些含碳铬铁的残渣和作为还原剂的用于进行MAGNETHERM工艺的铁硅铝合金的镁的热生产。 通过回收含铬和硅的残余合金,可以获得高纯度和高产率的镁,与使用煅烧白云石时相比,给定炉的生产能力提高约16%。

    Process for eliminating metallic impurities from magnesium by injecting
a halogenated derivative or boron
    2.
    发明授权
    Process for eliminating metallic impurities from magnesium by injecting a halogenated derivative or boron 失效
    通过注入卤代衍生物或硼来从镁中除去金属杂质的方法

    公开(公告)号:US4417920A

    公开(公告)日:1983-11-29

    申请号:US438651

    申请日:1982-11-02

    IPC分类号: C22B26/22

    CPC分类号: C22B26/22

    摘要: The invention concerns a process for eliminating metallic impurities from magnesium, in particular iron, silicon and manganese.For that purpose, a halogenated derivative of boron such as BCl.sub.3 is injected into the molten magnesium, in a proportion of from 0.05 to 5 kg of pure boron per tonne of magnesium. The magnesium may first be subjected to a refining operation using TiCl.sub.4 or a mixture comprising TiCl.sub.4 +FeCl.sub.3.The magnesium produced contains less than 1 ppm of residual boron, less than 20 ppm of Fe and Si and less than 30 ppm of Mn.

    摘要翻译: 本发明涉及从镁,特别是铁,硅和锰中除去金属杂质的方法。 为此,将硼的卤化衍生物如BCl 3以每吨镁0.05至5kg纯硼的比例注入熔融镁。 首先可以使用TiCl 4或包含TiCl 4 + FeCl 3的混合物对镁进行精炼操作。 所生产的镁含有少于1ppm的残余硼,小于20ppm的Fe和Si,小于30ppm的Mn。