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    • 3. 发明申请
    • PROCESS FOR OBTAINING TITANIUM OR OTHER METALS USING SHUTTLE ALLOYS
    • 使用合金合金获得钛或其他金属的工艺
    • WO1998014622A1
    • 1998-04-09
    • PCT/AU1997000624
    • 1997-09-23
    • KLEEMAN, AshleyFORTIN, Claude
    • KLEEMAN, Ashley
    • C22B05/00
    • C22B34/1277C22B5/04C22B34/1218C22B34/1263Y02P10/23
    • The present invention relates to a process for obtaining metals from oxides using shuttle alloys, particularly titanium metal from titanium dioxide in the form of illmenite, rutile. The process can be adapted to obtain elemental metal or alloys of metals such as zirconium, chromium, molybdenum, tungsten, tantalum, lithium, cobalt and zinc. The process of the present invention comprises two stages, a first stage in which a metal oxide is reduced in the presence of primary shuttle material, which forms a shuttle alloy with the reduced metal, and a second stage wherein the reduced metal is separated from the shuttle alloy as a metal or alloy. Typically the primary shuttle material comprises bismuth or antimony or a mixture of the two and optionally lead. The reduction reaction may be carried out by chemical means or electrochemical means or by a combination of the two. The process permits the two stages to be linked and the process run continuously such that energy recovered from the second stage may be transferred to the first stage and used to drive the reduction of the metal oxide or other reactions, such as the decarbonisation of calcium carbonate used as a melting agent. The addition of material such as silica to the process, may facilitate recovery of by-products such as aluminous cements.
    • 本发明涉及一种使用梭合金,特别是钛金属,由钛铁矿,金红石形式的二氧化钛从氧化物中获得金属的方法。 该方法可适用于获得元素金属或诸如锆,铬,钼,钨,钽,锂,钴和锌的金属合金。 本发明的方法包括两个阶段:第一阶段,其中金属氧化物在存在主要穿梭材料的情况下被还原,其与还原金属形成穿梭合金,以及第二阶段,其中还原金属与 穿梭合金作为金属或合金。 通常,主穿梭材料包括铋或锑或两者的混合物和任选的铅。 还原反应可以通过化学方法或电化学手段或两者的组合进行。 该方法允许两个阶段连接,并且该过程连续运行,使得从第二阶段回收的能量可以转移到第一阶段并用于驱动金属氧化物或其它反应的还原,例如碳酸钙的脱碳 用作熔化剂。 在该方法中添加诸如二氧化硅的材料可以促进副产物如铝土壤的回收。
    • 4. 发明申请
    • METHODS AND SYSTEMS FOR PRODUCING ULTRA HIGH PURITY TITANIUM TETRAIODIDE (TiI4) AND ULTRA HIGH PURITY TITANIUM METAL
    • 用于生产超高钛酸四铁(TiI4)和超高纯度钛金属的方法和系统
    • WO1996020892A1
    • 1996-07-11
    • PCT/US1995004870
    • 1995-04-24
    • MATERIALS RESEARCH CORPORATION
    • MATERIALS RESEARCH CORPORATIONLAM, Raymond, K., F.
    • C01G23/02
    • C22B34/1263C01G23/02C22B34/1222C22B34/1277Y02P10/23
    • Systems and methods are provided for producing ultra high purity titanium tetraiodide, on the order of at least 99.998 % pure, and for producing ultra high purity titanium metal having a purity of greater than 99.998 % pure. The system includes a titanium tetraiodide generating subsystem; a titanium tetraiodide purification subsystem wherein titanium tetraiodide is refined to ultra high purity by a double distillation process at reduced pressure; and a titanium tetraiodide decomposition subsystem wherein titanium tetraiodide is decomposed and ultra high purity titanium metal is deposited on a deposition substrate. The ultra high purity titanium tetraiodide can be used as a precursor for the titanium metal production, or it may be utilized in other semiconductor applications. Also contemplated are methods of making ultra high purity metal halides wherein the halide is selected from the group consisting of bromides, chlorides, iodides and fluorides.
    • 提供了用于生产纯度高达99.998%的超高纯度四碘化钛的系统和方法,以及用于生产纯度高于99.998%纯度的超高纯钛金属。 该系统包括四碘化钛生成子系统; 四碘化钛净化子系统,其中通过双蒸馏方法在减压下将四碘化钛精制成超高纯度; 和四碘化钛分解的四碘化钛分解子系统,并且在沉积基板上沉积超高纯度钛金属。 超高纯钛四碘化钛可用作钛金属生产的前体,或者可用于其它半导体应用。 还考虑制备超高纯度金属卤化物的方法,其中卤化物选自溴化物,氯化物,碘化物和氟化物。