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公开(公告)号：US11959185B2
公开(公告)日：2024-04-16
申请号：US17856594
申请日：2022-07-01
摘要： A process is disclosed for the electro-refinement of titanium aluminides to produce titanium-aluminum master alloys which process is effective even in the presence of substantial amounts of aluminum and in the presence of ten (10) or more weight percent oxygen in the material(s) to be refined. The process is likewise effective without the addition of titanium chlorides or other forms of soluble titanium to the electrolyte bath comprising halide salts of alkali metals or alkali-earth metals or a combination thereof.
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公开(公告)号：US09611558B2
公开(公告)日：2017-04-04
申请号：US14349568
申请日：2012-10-04
申请人： METALYSIS LIMITED
发明人： Kartik Rao , James Deane , Lucy Grainger , John Clifford , Melchiorre Conti , James Collins
摘要： A method of producing metallic powder comprises steps of arranging a volume of feedstock comprising a plurality of non-metallic particles within an electrolysis cell, causing a molten salt to flow through the volume of feedstock, and applying a potential between a cathode and an anode such that the feedstock is reduced to metal. In preferred embodiments the feedstock is a plurality of discrete powder particles and these particles are reduced to a corresponding plurality of discrete metallic particles. In advantageous embodiments, the feedstock may be sand.
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公开(公告)号：US20150129432A1
公开(公告)日：2015-05-14
申请号：US14401462
申请日：2013-05-10
申请人： METALYSIS LIMITED
CPC分类号： C25C3/00 , C25C3/02 , C25C3/04 , C25C3/06 , C25C3/26 , C25C3/28 , C25C3/30 , C25C3/32 , C25C3/34
摘要： In a method for removing a substance from a feedstock comprising a solid metal or a solid metal compound, the feedstock is contacted with a fused-salt melt. The fused-salt melt contains a fused salt, a reactive-metal compound, and a reactive metal. The fused salt comprises an anion species which is different from the substance, the reactive-metal compound comprises the reactive metal and the substance, and the reactive metal is capable of reaction to remove at least some of the substance from the feedstock. A cathode and an anode contact the melt, and the feedstock contacts the cathode. An electrical current is applied between the cathode and the anode such that at least a portion of the substance is removed from the feedstock. During the application of the current, a quantity of the reactive metal in the melt is maintained sufficient to prevent oxidation of the anion species of the fused salt at the anode. The method may advantageously be usable for removing the substance from successive batches of the feedstock, where the applied current is controlled such that the fused-salt melt after processing a batch contains the quantity of the reactive metal sufficient to prevent oxidation of the anion species at the anode.
摘要翻译： 在从包含固体金属或固体金属化合物的原料中除去物质的方法中，原料与熔融盐熔体接触。 熔盐熔体包含熔融盐，反应性金属化合物和活性金属。 熔融盐包括与物质不同的阴离子物质，反应性金属化合物包含反应性金属和物质，反应性金属能够从原料中除去至少一些物质。 阴极和阳极接触熔体，原料接触阴极。 在阴极和阳极之间施加电流，使得至少一部分物质从原料中除去。 在施加电流期间，熔体中活性金属的量保持足以防止阳极处的熔融盐的阴离子种类的氧化。 该方法可有利地用于从连续批次的原料中除去物质，其中施加的电流被控制，使得在处理批次之后的熔融盐熔体含有足以防止阴离子物质氧化的反应性金属的量 阳极。
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公开(公告)号：US08992758B2
公开(公告)日：2015-03-31
申请号：US13320076
申请日：2010-05-12
摘要： In a method for reduction of a solid feedstock, such as a solid metal compound, in an electrolytic apparatus a portion of the feedstock is arranged in each of two or more electrolytic cells (50, 60, 70, 80). A molten salt is provided as an electrolyte in each cell. The molten salt is circulated from a molten salt reservoir (10) such that salt flows through each of the cells. Feedstock is reduced in each cell by applying a potential across electrodes in each cell, the potential being sufficient to cause reduction of the feedstock. The invention also provides an apparatus for implementing the method.
摘要翻译： 在固体原料如固体金属化合物的还原方法中，在电解装置中，将一部分原料配置在两个以上的电解槽（50,60,70,80）中。 在每个电池中提供作为电解质的熔融盐。 熔融盐从熔盐储存器（10）循环使得盐流过每个单元。 在每个电池中通过在每个电池中的电极上施加电势来减少原料，其潜力足以引起原料的还原。 本发明还提供了一种用于实现该方法的装置。
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公开(公告)号：US20130164167A1
公开(公告)日：2013-06-27
申请号：US13725484
申请日：2012-12-21
CPC分类号： C25C3/28 , C22B34/1263 , C22B34/1277 , C22C14/00
摘要： A method to extract and refine metal products from metal-bearing ores, including a method to extract and refine titanium products. Titanium products can be extracted from titanium-bearing ores with TiO2 and impurity levels unsuitable for conventional methods.
摘要翻译： 一种从金属矿石中提取和精炼金属产品的方法，包括提取和精制钛产品的方法。 可以从含钛的矿石中提取钛产品，而不适用于常规方法。
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公开(公告)号：US08313624B2
公开(公告)日：2012-11-20
申请号：US12669446
申请日：2008-07-15
摘要： An inert anode material for use in electrolytic processes comprises calcium ruthenate. [Note that the nominal formula for this compound is CaRuO3, although different stoichiometries may apply in practice].
摘要翻译： 用于电解方法的惰性阳极材料包括钌酸钙。 [注意，该化合物的标称式为CaRuO 3，尽管实践中可能应用不同的化学计量。
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公开(公告)号：US20120152756A1
公开(公告)日：2012-06-21
申请号：US13386891
申请日：2010-07-28
申请人： Derek J. Fray , Shuqiang Jiao
发明人： Derek J. Fray , Shuqiang Jiao
CPC分类号： C25C3/28 , C22B7/001 , C22B21/0007 , C22B21/0038 , C22B21/06 , C22B34/1209 , C22B34/1231 , C22B34/129 , C22B34/1295 , C22B34/14 , C22B34/22 , C22B34/24 , C22B34/32 , C22B59/00 , C22B60/0208 , C22B60/0286 , C22B60/04 , C25B1/006 , C25C3/18 , C25C3/24 , C25C3/26 , C25C3/32 , C25C3/34
摘要： A method of producing titanium, comprising providing an oxide of titanium having a level of impurities of at least 1.0 wt %, reacting the oxide of titanium to form a titanium oxycarbide; and electrolysing the titanium oxycarbide in an electrolyte, with the titanium oxycarbide configured as an anode; and recovering a refined titanium metal from a cathode in the electrolyte.
摘要翻译： 一种生产钛的方法，包括提供具有至少1.0wt％的杂质含量的钛的氧化物，使钛的氧化物反应形成碳氧化钛; 并在电解质中电解碳氧化钛，将碳氧化钛配置为阳极; 并从电解质中的阴极回收精制钛金属。
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公开(公告)号：US07879219B2
公开(公告)日：2011-02-01
申请号：US10497567
申请日：2002-12-02
CPC分类号： C22B34/129 , C22B5/04 , C22B9/14 , C25C3/28
摘要： The subject invention pertains to methods for processing a solid material (M1X) comprising a solid solution of a non-metal species (X) in a metal or semi-metal (M1) or a compound between the non-metal species and the metal or semi-metal is immersed in a molten salt (M2Y). A cathodic potential is applied to the material to remove a portion of the non-metal species by electro-deoxidation. To remove the non-metal species at lower concentrations, a source of a reactive metal (M3) is immersed in the molten salt and is electronically connected to the material. Reactions occur at the material, where the non-metal species dissolves in the salt, and at the reactive metal, which reacts with the non-metal species dissolved in the salt to form a reaction product more stable than a compound between the non-metal species and the metal or semi-metal (M1). The non-metal species is thus removed from the solid material.
摘要翻译： 本发明涉及用于处理包含金属或半金属（M1）中的非金属物质（X）的固溶体或非金属物质与金属之间的化合物的固体材料（M1X）的方法，或 将半金属浸入熔融盐（M2Y）中。 通过电脱氧将阴极电势施加到材料上以除去一部分非金属物质。 为了以较低浓度去除非金属物质，将活性金属（M3）的源浸入熔融盐中并与该材料电子连接。 反应发生在非金属物质溶解在盐中的物质和反应性金属，其与溶解在盐中的非金属物质反应形成比非金属化合物更稳定的反应产物 物种和金属或半金属（M1）。 因此，非金属物质从固体材料中除去。
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公开(公告)号：US20100282602A1
公开(公告)日：2010-11-11
申请号：US12669446
申请日：2008-07-15
摘要： An inert anode material for use in electrolytic processes comprises calcium ruthenate. [Note that the nominal formula for this compound is CaRuO3, although different stoichiometries may apply in practice].
摘要翻译： 用于电解方法的惰性阳极材料包括钌酸钙。 [注意，该化合物的标称式为CaRuO 3，尽管实践中可能应用不同的化学计量。
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10.发明授权公开(公告)号：US07504017B2
公开(公告)日：2009-03-17
申请号：US10450864
申请日：2002-11-22
申请人： Francois Cardarelli
发明人： Francois Cardarelli
IPC分类号： C25C3/28
摘要： This invention relates to a method for electrowinning of titanium metal or titanium alloys from electrically conductive titanium mixed oxide compounds in the liquid state such as molten titania slag, molten ilmenite, molten leucoxene, molten perowskite, molten titanite, molten natural or synthetic rutile or molten titanium dioxide. The method involves providing the conductive titanium oxide compound at temperatures corresponding to the liquid state, pouring the molten material into an electrochemical reactor to form a pool of electrically conductive liquid acting as cathode material, covering the cathode material with a layer of electrolyte, such as molten salts or a solid state ionic conductor, deoxidizing electrochemically the molten cathode by direct current electrolysis. Preferably, the deoxidizing step is performed at high temperature using either a consumable carbon anode or an inert dimensionally stable anode or a gas diffusion anode. During the electrochemical reduction, droplets of liquid titanium metal or titanium alloy are produced at the slag/electrolyte interface and sink by gravity settling to the bottom of the electrochemical reactor forming, after coalescence, a pool of liquid titanium metal or titanium alloy. Meanwhile carbon dioxide or oxygen gas is evolved at the anode. The liquid metal is continuously siphoned or tapped under an inert atmosphere and cast into dense and coherent titanium metal or titanium alloy ingots.
摘要翻译： 本发明涉及一种用于从液态的导电钛混合氧化物化合物中电解提取钛金属或钛合金的方法，例如熔融二氧化钛熔渣，熔融钛铁矿，熔融的次氯酸钠，熔融的金属，熔融的钛白石，熔融的天然或合成的金红石或熔融的 二氧化钛。 该方法包括在对应于液体状态的温度下提供导电氧化钛化合物，将熔融材料注入电化学反应器以形成充当阴极材料的导电液体池，用一层电解质覆盖阴极材料，例如 熔融盐或固态离子导体，通过直流电解电化学地将熔融阴极氧化。 优选地，使用消耗性碳阳极或惰性尺寸稳定的阳极或气体扩散阳极在高温下进行脱氧步骤。 在电化学还原期间，在渣/电解质界面处产生液态钛金属或钛合金的液滴，通过重力沉降到电化学反应器的底部，在聚结后形成液体钛金属或钛合金池。 同时二氧化碳或氧气在阳极放出。 液体金属在惰性气氛下连续虹吸或攻丝，并铸造成致密且连贯的钛金属或钛合金锭。
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