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    • 3. 发明申请
    • A METHOD OF PURIFYING NON-FERROUS METAL MELTS FROM FOREIGN ELEMENTS
    • 从外来元素中纯化非金属金属熔体的方法
    • WO1981001297A1
    • 1981-05-14
    • PCT/SE1980000274
    • 1980-11-05
    • BOLIDEN AB
    • BOLIDEN ABJENSFELT T
    • C22B09/00
    • C22B13/06C22B9/103C22B15/006
    • In a method of purifying melts, substantially comprising non-ferrous metals, preferably copper and lead, from impurities in the form of not-readily separable elements, such as cobalt, nickel, lead, bismuth, antimony and arsenic, there is injected into the melt at least one solid reactant with the aid of a carrier gas. During the process of injection the melt is maintained under strong turbulence. The carrier gas and the solid reactant are selected so that there is formed with the impurifying element or elements a product whose melting point is higher than the temperature prevailing in the melt, which has a density different from that of said melt. The resultant product is then separated from the melt. The melt may, for example, comprise copper, and the impurifying elements may be nickel and/or cobalt, and the reactant silica, which forms a solid product with nickel and/or cobalt. Suitably, the melt can also contain an oxidant, such as iron (III) oxide or copper oxide. The melt may also comprise crude lead and the impurifying elements antimony and/or arsenic. In this case the oxidant may be lead oxide, which may also function as the solid reactant for forming a solid product. Other combinations are also conceivable.
    • 在一种净化熔体的方法中,基本上包括由不可容易分离的元素(例如钴,镍,铅,铋,锑和砷)形式的杂质的有色金属,优选铜和铅,注入到 借助载气熔化至少一种固体反应物。 在注射过程中,熔体保持强烈的湍流。 选择载体气体和固体反应物,使得形成具有发泡元素或者元素的熔点高于熔体中存在的不同于所述熔体的密度的产物。 然后将所得产物与熔体分离。 熔体可以例如包含铜,并且所述增塑元素可以是镍和/或钴,以及与镍和/或钴形成固体产物的反应物二氧化硅。 合适地,熔体还可以含有氧化剂,例如氧化铁(III)或氧化铜。 熔体还可以包含粗铅和引发元素锑和/或砷。 在这种情况下,氧化剂可以是氧化铅,其也可以用作形成固体产物的固体反应物。 其他组合也是可以想到的。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR DECONTAIMINATING MOLTEN METAL COMPOSITIONS
    • 用于分解金属组合物的方法和装置
    • WO2006057812A3
    • 2009-04-09
    • PCT/US2005040548
    • 2005-11-08
    • BATTELLE ENERGY ALLIANCE LLC
    • LOEWEN ERIC PPHELPS LARRY D
    • C22B7/00
    • C22B9/02C22B13/06C22B13/08Y02P10/234
    • A method and apparatus for decontaminating molten metal compositions. A molten metal composition (typically containing elemental lead or a lead alloy) is initially provided which also includes various inorganic contaminants. The composition is placed in contact with a specialized decontamination member which actively allows diffusion of the contaminants therein. As a result, the contaminants are removed from the molten metal composition. Contaminants of particular interest in lead-based molten metal compositions include arsenic, tin, antimony, tellurium, and combinations thereof. A reducing agent is optimally combined with the molten metal composition to prevent oxide formation on the decontamination member. The decontamination member preferably contains iron in the form of an iron alloy (for example, steel). Additional preferred components in the decontamination system include an iron trap for removing iron-containing contaminants from the molten metal composition. As a result, the composition is rapidly and effectively decontaminated.
    • 一种用于净化熔融金属组合物的方法和设备。 最初提供熔融金属组合物(通常含有元素铅或铅合金),其还包括各种无机污染物。 该组合物与专门的净化部件接触,其主动地允许其中的污染物扩散。 结果,从熔融金属组合物中除去污染物。 铅基熔融金属组合物特别感兴趣的污染物包括砷,锡,锑,碲及其组合。 还原剂与熔融金属组合物最佳组合以防止去污剂上形成氧化物。 去污剂优选含有铁合金(例如钢)形式的铁。 除污系统中的另外优选的组分包括用于从熔融金属组合物中除去含铁污染物的铁捕集器。 结果,组合物快速有效地净化。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR DECONTAIMINATING MOLTEN METAL COMPOSITIONS
    • 用于分解金属组合物的方法和装置
    • WO2006057812A2
    • 2006-06-01
    • PCT/US2005/040548
    • 2005-11-08
    • BATTELLE ENERGY ALLIANCE, LLC
    • LOEWEN, Eric, P.PHELPS, Larry, D.
    • C22B13/06
    • C22B9/02C22B13/06C22B13/08Y02P10/234
    • A method and apparatus for decontaminating molten metal compositions. A molten metal composition (typically containing elemental lead or a lead alloy) is initially provided which also includes various inorganic contaminants. The composition is placed in contact with a specialized decontamination member which actively allows diffusion of the contaminants therein. As a result, the contaminants are removed from the molten metal composition. Contaminants of particular interest in lead-based molten metal compositions include arsenic, tin, antimony, tellurium, and combinations thereof. A reducing agent is optimally combined with the molten metal composition to prevent oxide formation on the decontamination member. The decontamination member preferably contains iron in the form of an iron alloy (for example, steel). Additional preferred components in the decontamination system include an iron trap for removing iron-containing contaminants from the molten metal composition. As a result, the composition is rapidly and effectively decontaminated.
    • 一种用于净化熔融金属组合物的方法和装置。 最初提供熔融金属组合物(通常包含元素铅或铅合金),其还包括各种无机污染物。 该组合物与专门的净化部件接触,其主动允许其中的污染物扩散。 结果,从熔融金属组合物中除去污染物。 铅基熔融金属组合物特别感兴趣的污染物包括砷,锡,锑,碲及其组合。 还原剂与熔融金属组合物最佳组合以防止去污剂上形成氧化物。 净化部件优选含有铁合金(例如钢)形式的铁。 去污系统中的另外优选的组分包括用于从熔融金属组合物中除去含铁污染物的铁捕集器。 因此,组合物快速有效地净化。