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1. 发明申请

WO1995015404A1 PROCESS FOR COMBINED DECOATING AND MELTING OF ALUMINUM SCRAP CONTAMINATED WITH ORGANICS 审中-公开
标题翻译：用有机物污染的铝屑的组合分解和熔融工艺
公开(公告)号：WO1995015404A1
公开(公告)日：1995-06-08
申请号：PCT/CA1994000652
申请日：1994-11-25
申请人： ALCAN INTERNATIONAL LIMITED
发明人： ALCAN INTERNATIONAL LIMITED , TREMBLAY, François , TURCOTTE, Gilles, R. , LAVOIE, Serge , DUBE, Ghyslain , TREMBLAY, Sylvain, P. , FORTIN, Jean-Yves
IPC分类号： C22B21/00
CPC分类号： C22B9/16 , C22B7/004 , C22B21/0007 , Y02P10/218
摘要： A method of recovering an aluminum-containing metal (16) from a scrap material (14, 14') containing the metal and an organic contaminant, such as paper, plastics, lacquer, paint or oil. The method involves creating a fluidized bed (10) of solid particles, maintaining a zone of the bed at a temperature in the range of the melting point of the metal to 1000 DEG C, introducing the scrap material into the fluidized zone to cause decoating of the metal within a time in the range of 1 to 40 seconds, at least partially melting the metal, and removing the metal material from the fluidized bed. In this way, decoating and at least partial melting is achieved essentially at the same time for improved efficiency. Metals of different melting point may also be separated from each other by providing a series of temperature zones in the fluidized bed (or in a series of fluidized beds) of progressively increasing temperature. If a limited amount of oxygen is introduced into the bed, a combustible gas is produced that can be burned to extract its energy or can be stored for later use.
摘要翻译：一种从含有金属和有机污染物如纸，塑料，漆，油漆或油的废料（14,14'）回收含铝金属（16）的方法。该方法包括产生固体颗粒的流化床（10），将床的区域保持在金属熔点范围内的温度至1000℃，将废料引入流化区以引起脱色金属在1至40秒的范围内的时间内，至少部分地熔化金属，并从流化床除去金属材料。以这种方式，脱蜡和至少部分熔融基本上在同时实现以提高效率。通过在逐渐升高的温度的流化床（或一系列流化床）中提供一系列温度区，也可以将不同熔点的金属彼此分离。如果将有限量的氧气引入床中，则产生可燃烧的气体，其可以被燃烧以提取其能量，或者可以储存以备后用。

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