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公开(公告)号：US07682419B2
公开(公告)日：2010-03-23
申请号：US10540662
申请日：2003-04-16
申请人： Viatcheslav Dmitrievich Shapovalov , Konstantin Sergeevich Fokin , Aleksandr Nikolaevich Shokhin
发明人： Viatcheslav Dmitrievich Shapovalov , Konstantin Sergeevich Fokin , Aleksandr Nikolaevich Shokhin
CPC分类号： C01B17/96 , C22B3/06 , C22B3/065 , C22B3/08 , C22B3/44 , C22B11/04 , C22B15/0073 , C22B19/22 , C22B23/0438 , Y02P10/234 , Y02P10/236
摘要： Recovery of nonferrous, rare and precious metals from sulfide minerals and concentrates is described. The hydrometallurgical method of sulfide minerals and concentrates processing, involving sulfide minerals oxidation in aqueous medium using nitrogen oxides, provides that the sulfide materials containing slurry are subjected to oxidation of the sulfide which is realized under controlled conditions of the slurry acidity. Constant neutralization of sulfuric acid formed as a result of the sulfides oxidation is provided. The sulfuric acid is neutralized to acidity level, at which no formation of elementary sulfur occurs, while natural or artificial substances, such as CaC03, MgC03, Ca(OH)2, CaO, NaOH, CaHP04 etc., are used as acidity neutralizers. Oxidation of sulfide minerals is realized under agitation. Oxidation is realized in the range of 20-90° C., mainly in the range of 65-85° C. The liquid-to-solid ratio varies from 1:1 to 5:1, depending on effectiveness of the required precipitate formation and proceeding of the oxidation.
摘要翻译： 描述了从硫化物矿物和浓缩物中回收有色金属，稀有金属和贵金属。 使用氮氧化物在含水介质中硫化矿物氧化的硫化物矿物和浓缩物加工的湿法冶金方法提供了含硫化物料浆料的硫化物的氧化，这在硫酸盐的控制条件下实现。 提供了由于硫化物氧化而形成的硫酸的恒定中和。 硫酸中和至酸性水平，不会形成元素硫，而天然或人造物质如CaCO 3，MgCO 3，Ca（OH）2，CaO，NaOH，CaHPO 4等用作酸性中和剂。 在搅拌下实现硫化矿物的氧化。 氧化实现在20-90℃的范围内，主要在65-85℃的范围内。根据所需沉淀物形成的有效性，液 - 固比率为1:1至5:1 并进行氧化。
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公开(公告)号：US3983208A
公开(公告)日：1976-09-28
申请号：US544158
申请日：1975-01-27
申请人： Jorge A. Blay
发明人： Jorge A. Blay
CPC分类号： C22B34/22 , B01J23/94 , C07C51/48 , C22B15/0073 , C22B15/0089 , Y02P10/234 , Y02P10/236 , Y02P20/584
摘要： An aqueous nitric acid solution derived from an adipic acid process containing copper and vanadium catalyst values and alkyl dicarboxylic acids is treated to remove the nitric acid and water therefrom so as to obtain a substantially dry, molten-type residue. This residue is mixed with a dialkyl ketone solvent which dissolves the dicarboxylic acids and leaves the catalyst metal values as solids.
摘要翻译： 处理含有铜和钒催化剂值的己二酸方法的硝酸水溶液和烷基二羧酸，以从其中除去硝酸和水，从而获得基本干燥的熔融型残余物。 将该残余物与溶解二羧酸并将催化剂金属值作为固体留下的二烷基酮溶剂混合。
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公开(公告)号：US20160304988A1
公开(公告)日：2016-10-20
申请号：US15101241
申请日：2014-12-03
发明人： James VAUGHAN , William HAWKER , Peter HAYES , Evgueni JAK
CPC分类号： C22B15/0052 , C22B1/02 , C22B1/248 , C22B3/065 , C22B3/08 , C22B3/10 , C22B3/44 , C22B15/0015 , C22B15/0069 , C22B15/0071 , C22B15/0073 , C22B15/0086 , C22B15/0089 , C25C1/12 , Y02P10/236
摘要： A method of processing a copper-containing source material is provided whereby an aqueous acidic leach solution of the copper-containing source material is formed and then contacted with a pH increasing agent to thereby cause the precipitation of a copper-containing intermediate. The copper-containing intermediate can then be collected and exposed to a high temperature treatment, such as would be encountered in smelter or converter operations.
摘要翻译： 提供处理含铜源材料的方法，由此形成含铜源材料的酸性浸出溶液，然后与pH增加剂接触，从而引起含铜中间体的沉淀。 然后可以收集含铜中间体并暴露于高温处理，例如在冶炼厂或转炉操作中遇到的。
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公开(公告)号：US20060144192A1
公开(公告)日：2006-07-06
申请号：US10540662
申请日：2003-04-16
CPC分类号： C01B17/96 , C22B3/06 , C22B3/065 , C22B3/08 , C22B3/44 , C22B11/04 , C22B15/0073 , C22B19/22 , C22B23/0438 , Y02P10/234 , Y02P10/236
摘要： The method is referred to hydrometallurgical process and serves for recovery of nonferrous, rare and precious metals from sulfide minerals and concentrates. The invention is aimed at creating conditions for the most complete extraction of metals, preventing formation of elementary sulfur. The objective is attained by means of the following: the hydrometallurgical method of sulfide minerals and concentrates processing, which involves sulfide minerals oxidation in aqueous medium using nitrogen oxides, envisages that the sulfide materials containing slurry are subjected to oxidation of the sulfide and the oxidation is realized under controlled conditions of the slurry acidity, i.e. with constant neutralization of sulfuric acid formed as a result of the sulfides oxidation, moreover, sulfuric acid is neutralized to acidity level, at which no formation of elementary sulfur occurs, while natural or artificial substances, such as CaC03, MgC03, Ca(OH)2, CaO, NaOH, CaHP04 etc., are used as acidity neutralizers; the choice of a specific neutralizer is dictated by the necessity of formation of slurry neutralization products with assigned physicochemical properties: filterability, slurry thickening, arsenic substance insolubility, nontoxicity and other required properties. Oxidation of sulfide minerals is realized under agitation providing sufficient mass exchange and efficient occurrence of chemical reactions. Oxidation is realized in the temperature range of 20-90° C., mainly in the range of 65-85° C. The liquid-to-solid ratio may vary from 1:1 to 5:1, depending on effectiveness of the required precipitate formation and proceeding of sulfide oxidation reactions. Nitric and nitrous acids, as well as their oxides, mainly nitrous acid, HN02, and its oxide, N203, are used as oxidizing agents. Regeneration processes of NO to N203 are also described.
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公开(公告)号：US4600704A
公开(公告)日：1986-07-15
申请号：US652052
申请日：1984-09-19
申请人： James R. Jennings
发明人： James R. Jennings
CPC分类号： C22B15/0073 , Y02P10/236
摘要： A substantially iron-free copper nitrate solution is made by dissolving a copper-containing solid catalyst composition such as a used copper-zinc oxide-alumina methanol synthesis catalyst in nitric acid and controlling the acid concentration at a level such that any iron oxide present in the composition remains substantially undissolved. The acid concentration during dissolution is preferably under 4 molar. Alternatively or additionally the terminal pH is greater than 1.0. The resulting solution is pure enough for reconversion to catalyst by co-precipitation.
摘要翻译： 通过将诸如使用的铜 - 氧化锌 - 氧化铝 - 甲醇合成催化剂的含铜固体催化剂组合物溶解在硝酸中来制备基本上无铁的硝酸铜溶液，并将酸浓度控制在使得存在于 该组合物基本上未溶解。 溶解期间的酸浓度优选为4摩尔以下。 或者或另外，末端pH大于1.0。 所得溶液足够纯以通过共沉淀重新转化为催化剂。
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公开(公告)号：US3840365A
公开(公告)日：1974-10-08
申请号：US18402971
申请日：1971-09-27
CPC分类号： C22B15/0078 , C22B3/04 , C22B15/0065 , C22B15/0069 , C22B15/0071 , C22B15/0073 , C22B15/008 , C22B15/0091 , Y02P10/234 , Y02P10/236
摘要： The disclosure is of a process for recovery of metals, including copper and, where present in sufficient quantities, uranium, gold, and silver, from ores. According to the process, the ores are leached and the recovered metals are deposited on metal sheets, particularly on sheets of iron or aluminum. The metals to be recovered are leached from the ore by highly buffered leach solutions of controlled pH in the range of 2 to 4.
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公开(公告)号：US09683277B2
公开(公告)日：2017-06-20
申请号：US14035226
申请日：2013-09-24
申请人： Alejandro Cartagena Fagerstrom , Ernesto Beas Bustos , Manuel Cartagena Fagerstrom , Christian Hecker Cartes
发明人： Alejandro Cartagena Fagerstrom , Ernesto Beas Bustos , Manuel Cartagena Fagerstrom , Christian Hecker Cartes
CPC分类号： C22B15/0073 , C01G49/00 , C22B15/0008 , Y02P10/236
摘要： This invention relates to a process for preparing a ferric nitrate (Fe(NO3)3) reagent, capable of serving as a solvent and copper species oxidizing agent in the ore curing, heap leaching, and/or run of mine (ROM) leaching of a copper ore hydrometallurgical process located at a brown field or green field, from an aqueous copper raffinate solution from the copper ore hydrometallurgical process of copper ore containing iron (II) (Fe2+), and the reagent prepared pursuant to this process.
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公开(公告)号：US08388726B2
公开(公告)日：2013-03-05
申请号：US13089780
申请日：2011-04-19
IPC分类号： C22B15/00
CPC分类号： C22B15/0019 , C22B15/0073 , C22B15/0086 , Y02P10/236
摘要： Copper is chemically extracted from crude ores by first roasting it at temperature up to 500° C. for 90 minutes, then treating it with ammonium salt followed by leaching with sulfuric acid to obtain a soluble copper mass for further purification.
摘要翻译： 通过在高达500℃的温度下首先将其焙烧90分钟，然后用铵盐处理铜，然后用硫酸浸出以获得可溶性铜质量用于进一步纯化，从粗矿石中化学提取铜。
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公开(公告)号：US20080019891A1
公开(公告)日：2008-01-24
申请号：US11645737
申请日：2006-12-27
申请人： Shenjung Huang , Da Jiang Chang
发明人： Shenjung Huang , Da Jiang Chang
CPC分类号： C22B7/006 , C22B3/22 , C22B15/0063 , C22B15/0073 , C22B15/0084 , Y02P10/234 , Y02P10/236
摘要： A process for copper recovery includes mixing a sludge cake with an acidic copper-containing rinsing waste liquid to form slurry; reacting the slurry with acidic SPS-containing effluent, nitric acid, sulfuric acid and liquid alkali to form a copper-containing reaction product; press filtering the obtained-above copper-containing reaction product to obtain a copper oxide-containing solid and a filtrate.
摘要翻译： 铜回收方法包括将污泥饼与酸性含铜漂洗废液混合以形成浆料; 使该浆料与含酸性SPS的流出液，硝酸，硫酸和液态碱反应形成含铜反应产物; 对所得到的含铜反应产物进行压滤，得到含有氧化铜的固体和滤液。
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公开(公告)号：US3966890A
公开(公告)日：1976-06-29
申请号：US533660
申请日：1974-12-17
申请人： Alan James Parker , Winfield Earle Waghorne , Dion Ewing Giles , John Howard Sharp , Robert Alexander , David Michael Muir
发明人： Alan James Parker , Winfield Earle Waghorne , Dion Ewing Giles , John Howard Sharp , Robert Alexander , David Michael Muir
CPC分类号： C25C1/12 , C01G3/00 , C01G3/10 , C22B15/0071 , C22B15/0073 , C22B15/0089 , C22B15/0093 , Y02P10/236
摘要： Methods of reducing aqueous solutions of cupric sulfate to cuprous solutions by using organic nitrile compositions are disclosed. The particular nitrile used is acetonitrile and the reductant is sulphur dioxide. The method has application commercially to leaching ores containing oxidised copper to obtain cuprous ion solutions. Such solutions can be treated by electrochemical or thermal disproportionation methods to obtain very pure copper.
摘要翻译： 公开了通过使用有机腈组合物将硫酸铜水溶液还原成亚铜溶液的方法。 所使用的特定腈是乙腈，还原剂是二氧化硫。 该方法具有商业上的用于浸出含有氧化铜的矿石以获得亚铜离子溶液的应用。 这种溶液可以通过电化学或热歧化方法处理，以获得非常纯的铜。
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