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    • 10. 发明申请
    • Method of High-Melting-Point Metal Separation and Recovery
    • 高熔点金属分离和回收方法
    • US20080250901A1
    • 2008-10-16
    • US11886323
    • 2006-03-08
    • Tadashi OgasawaraMakoto YamaguchiKatsunori DakeshitaMasahiko Hori
    • Tadashi OgasawaraMakoto YamaguchiKatsunori DakeshitaMasahiko Hori
    • C22B34/12C22B9/02
    • C25C3/02C22B9/02C22B34/1272C22B34/1295Y02P10/234
    • A TiCl4 gas is supplied to a molten CaCl2 liquid held in a reactor vessel 6 through a raw material feed pipe 11, TiCl4 is reduced to produce granular metallic Ti by Ca melted in the CaCl2 liquid. The molten CaCl2 liquid in which Ti granules taken out downward from the reactor vessel 6 is mixed is delivered to a separation process 12, the molten CaCl2 liquid is heated in a heating vessel 15, and separation is generated by a difference in specific gravity, whereby the molten CaCl2 liquid 16 is located in an upper layer while a metallic Ti 17 is located in a lower layer. The metallic Ti 17 in the lower layer is taken out from a high-melting-point metal discharge port 18, and the metallic Ti 17 is solidified to yield an ingot. The molten CaCl2 liquid 16 in the upper layer is delivered to an electrolysis process 13 along with the molten CaCl2 liquid taken out from the reactor vessel 6, and Ca generated by the electrolysis and CaCl2 are returned into the reactor vessel 6. A separation and recovery method of the invention is applied to the separation process 12 in the above production process, and high-quality Ti or Ti alloy is efficiently separated and recovered from the CaCl2-containing molten salt with a small amount of energies.
    • 将TiCl 4气体通过原料供给管11供给到保持在反应器容器6中的熔融CaCl 2 2液体,TiCl 4 通过在CaCl 2液体中熔化的Ca还原以产生颗粒状金属Ti。 将其中从反应器6向下取出的Ti颗粒混合的熔融的CaCl 2 H 2液体被输送到分离过程12中,将熔融的CaCl 2液体加热到 加热容器15,并且通过比重差产生分离,由此熔融的CaCl 2液体16位于上层,而金属Ti 17位于下层。 下层的金属Ti 17从高熔点金属排出口18取出,使金属Ti 17固化,得到锭。 上层的熔融CaCl 2液体16与从反应容器6取出的熔融CaCl 2液体一起被输送到电解过程13,由 将电解和CaCl 2 2返回到反应容器6中。 本发明的分离和回收方法在上述生产过程中应用于分离过程12,并且从包含CaCl 2的熔融盐中有效地分离和回收高品质的Ti或Ti合金, 少量的能量。