公开(公告)号：US20140065037A1

公开(公告)日：2014-03-06

申请号：US13989740

申请日：2011-11-22

申请人： Cesare G. Ferron

发明人： Cesare G. Ferron

IPC分类号： C22B3/04 ,  C22B58/00

CPC分类号： C22B3/04 ,  C22B3/0005 ,  C22B3/08 ,  C22B7/00 ,  C22B7/006 ,  C22B7/007 ,  C22B15/0089 ,  C22B58/00 ,  Y02P10/234 ,  Y02P10/236 ,  Y02W30/827

摘要： There is provided a hydrometallurgical process of recovering indium and gallium values from mixtures thereof with other metal values for example recycled and scrap solar panel cells which comprises subjecting the mixture to strongly oxidizing acid conditions, preferably via the simultaneous addition of sulfuric acid and hydrogen peroxide to the leach vessel, so as to form indium and gallium salt species of at least the major proportion of the indium and gallium values in the mixture, extracting the indium and gallium values with an organic extractant by adjusting the pH so as to extract individually the indium and gallium values with the organic extractant, stripping indium and gallium values from the extractant using an acid and an alkaline solution respectively and recovering the indium and gallium values.

摘要翻译： 提供了一种从其混合物与其它金属值回收铟和镓值的湿法冶金方法，例如再循环和废旧太阳能电池板，其包括使混合物经受强氧化酸性条件，优选通过同时加入硫酸和过氧化氢 浸出容器，以形成至少混合物中铟和镓值的主要比例的铟和镓盐物质，通过调节pH从而用有机萃取剂萃取铟和镓的值，以单独提取铟 和镓值，分别使用酸和碱溶液从萃取剂中提取铟和镓的值，并回收铟和镓的值。

公开(公告)号：US20140044617A1

公开(公告)日：2014-02-13

申请号：US13965960

申请日：2013-08-13

申请人： Polymet Mining Corp.

发明人： David Bruce Dreisinger

IPC分类号： C22B15/00

CPC分类号： C22B15/0089 ,  B03D1/02 ,  C22B11/04 ,  C22B15/0008 ,  C22B15/0069 ,  C22B15/0071 ,  Y02P10/236

摘要： In one aspect, the invention provides processes for producing an enriched copper concentrate from a copper-and-nickel-containing ore. Processes of the invention may include an initial step of comminuting the ore, to provide a ground ore comprising copper minerals and nickel minerals. The ground ore may be subjected to a floatation process, to separate the ground ore into distinct fractions, such as first and second concentrates. A first concentrate may for example be made up of copper-enriched-and-nickel-containing solids, while a second concentrate is made up of nickel-enriched-and-copper-containing solids. The floatation process may for example fractionate the ore so that the concentration of copper minerals is higher in the first concentrate than in the ore, and the concentration of the nickel minerals is higher in the second concentrate than the ore.

摘要翻译： 一方面，本发明提供了从含铜和镍的矿石生产富集的铜精矿的方法。 本发明的方法可以包括粉碎矿石的初始步骤，以提供包含铜矿物和镍矿物的研磨矿石。 研磨矿石可以进行漂浮工艺，将研磨的矿石分离成不同的馏分，例如第一和第二浓缩物。 第一浓缩物可以例如由富铜和含镍的固体组成，而第二浓缩物由富含镍和含铜的固体组成。 浮选过程可以例如将矿石分馏，使得第一浓缩物中的铜矿物质的浓度高于矿石，并且第二浓缩物中的镍矿物质的浓度高于矿石。

公开(公告)号：US08506673B2

公开(公告)日：2013-08-13

申请号：US13360868

申请日：2012-01-30

申请人： James D Gillaspie ,  David R Baughman ,  Dennis D Gertenbach ,  Wayne W Hazen ,  George Owusu ,  John C Wilmot

发明人： James D Gillaspie ,  David R Baughman ,  Dennis D Gertenbach ,  Wayne W Hazen ,  George Owusu ,  John C Wilmot

IPC分类号： C22B3/20

CPC分类号： C22B3/44 ,  C22B3/20 ,  C22B15/0071 ,  C22B15/0089 ,  Y02P10/234 ,  Y02P10/236

摘要： The present invention relates generally to a process for removing dissolved or colloidal silica from a pregnant leach solution (“PLS”). More particularly, an exemplary embodiment of the present invention relates to a, process which mixes PLS with an acid source, preferably lean electrolyte, to induce formation of colloidal silica that can then be collected and removed. Additionally, in an exemplary embodiment of the present invention, at least one silica seeding agent is added to induce formation of colloidal silica, at least one flocculant is added to induce aggregation of the colloidal silica, and a solid-liquid separation process is utilized to remove advantageous amounts or substantially all of the colloidal silica, thereby providing relief from supersaturation of dissolved silica in the metal recovery processes.

摘要翻译： 本发明一般涉及从怀孕浸出溶液（“PLS”）中除去溶解或胶体二氧化硅的方法。 更具体地，本发明的示例性实施方案涉及将PLS与酸源（优选贫电解质）混合以诱导形成胶体二氧化硅的方法，然后可以将其收集和除去。 此外，在本发明的一个示例性实施方案中，加入至少一种二氧化硅接种剂以诱导胶态二氧化硅的形成，加入至少一种絮凝剂以诱导胶体二氧化硅的聚集，并且使用固液分离方法 去除有利的量或基本上所有的胶态二氧化硅，从而在金属回收方法中提供了溶解二氧化硅过饱和的缓解。

公开(公告)号：US08491700B2

公开(公告)日：2013-07-23

申请号：US13724860

申请日：2012-12-21

申请人： Freeport-McMoran Corporation

发明人： Brett T. Waterman ,  Steve Nels Dixon ,  Theresa Linne Morelli ,  George Owusu ,  Stefka Todorova Ormsby

IPC分类号： B01D15/00 ,  B01D15/04 ,  C22B3/04 ,  C22B9/00 ,  C22B61/00 ,  C25C1/12

CPC分类号： C22B15/0089 ,  C01G47/00 ,  C22B3/24 ,  C22B5/00 ,  C22B15/0086 ,  C22B61/00 ,  C25C1/12 ,  Y02P10/234 ,  Y02P10/236

摘要： Various embodiments provide new methods of rhenium recovery. The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated carbon. The methods can also include heating a basic aqueous elution solution and eluting the rhenium from the activated carbon with the heated elution solution. The methods can also incorporate an ion exchange as a rhenium recovery apparatus.

摘要翻译： 各种实施方案提供了铼回收的新方法。 所述方法可以包括将含金属溶液经受活性炭床，并将铼吸附到活性炭上。 该方法还可以包括加热碱性含水洗脱溶液并用加热的洗脱溶液从活性炭中洗脱铼。 该方法还可以引入离子交换作为铼回收装置。

公开(公告)号：US08388730B2

公开(公告)日：2013-03-05

申请号：US12216447

申请日：2008-07-03

申请人： Yoshifumi Abe ,  Hiroshi Hosaka ,  Kazuaki Takebayashi ,  Yasunari Ishiguro ,  Akira Yoshimura

发明人： Yoshifumi Abe ,  Hiroshi Hosaka ,  Kazuaki Takebayashi ,  Yasunari Ishiguro ,  Akira Yoshimura

IPC分类号： C22B11/00

CPC分类号： C22B11/04 ,  C22B3/24 ,  C22B11/06 ,  C22B15/0067 ,  Y02P10/234 ,  Y02P10/236

摘要： A process of leaching gold comprising the steps of: a) leaching copper from copper sulfide ore material that contains gold or contains silicate ore containing gold until the copper grade is reduced to 7.9 wt % or less; b) mixing the resulting material having a copper grade of 7.9 wt % or less with a gold leaching solution selected from the group consisting of a first solution containing chloride ions and ferric ions, and a second solution containing chloride ions and iron ions, the iron ions having been oxidized to trivalent ferric ions by air bubbled into the second solution; c) adjusting the pH of the gold leaching solution to 1.9 or less with stirring to leach at least gold in the material into the gold leaching solution by the oxidative activity of the ferric ions contained in the gold leaching solution, wherein the concentration of gold is reduced by selectively removing gold from part or all of the gold leaching solution during gold leaching. This process efficiently leaches at least copper and gold from a copper sulfide ore.

摘要翻译： 一种浸金的方法，包括以下步骤：a）将铜从含有金的硫化铜矿物料中浸出或含有含有含金的硅酸盐矿石，直到铜等级降低至7.9重量％以下; b）将所得到的铜等级为7.9重量％以下的材料与选自含有氯离子和铁离子的第一溶液的金浸出溶液和含有氯离子和铁离子的第二溶液混合， 已经通过鼓泡入第二溶液的空气氧化成三价铁离子的离子; c）通过搅拌将金浸出溶液的pH调节至1.9或更小，通过金浸出溶液中所含的三价铁离子的氧化活性，将材料中的至少金浸入金浸出溶液中，其中金的浓度为 通过在金浸出期间通过选择性地从部分或全部金浸出溶液中除去金而减少。 该方法有效地从硫化铜矿中浸出铜和金。

公开(公告)号：US08372361B2

公开(公告)日：2013-02-12

申请号：US13302369

申请日：2011-11-22

申请人： Barbara J. Savage ,  David G. Meadows ,  Wayne W. Hazen

发明人： Barbara J. Savage ,  David G. Meadows ,  Wayne W. Hazen

IPC分类号： C21B15/00

CPC分类号： C22B3/0005 ,  C22B3/20 ,  C22B15/0071 ,  C22B15/0084 ,  C22B15/0095 ,  Y02P10/234 ,  Y02P10/236

摘要： The present invention relates generally to a process for controlled leaching and sequential recovery of two or more metals from metal-bearing materials. In one exemplary embodiment, recovery of metals from a leached metal-bearing material is controlled and improved by providing a high grade pregnant leach solution (“HGPLS”) and a low grade pregnant leach solution (“LGPLS”) to a single solution extraction plant comprising at least two solution extractor units, at least two stripping units, and, optionally, at least one wash stage.

摘要翻译： 本发明一般涉及从含金属材料中控制浸出和连续回收两种或更多种金属的方法。 在一个示例性实施方案中，通过向单一溶液提取设备提供高级别的浸出浸出溶液（HGPLS）和低等级的浸出浸提液（LGPLS）来控制和改善来自浸出的含金属材料的金属的回收，所述溶液提取设备包括至少两个 溶液提取器单元，至少两个剥离单元，以及任选的至少一个洗涤阶段。

公开(公告)号：US08361192B2

公开(公告)日：2013-01-29

申请号：US13588448

申请日：2012-08-17

申请人： Brett T. Waterman ,  Steve Nels Dixon ,  Theresa Linne Morelli ,  George Owusu ,  Stefka Todorova Ormsby

发明人： Brett T. Waterman ,  Steve Nels Dixon ,  Theresa Linne Morelli ,  George Owusu ,  Stefka Todorova Ormsby

IPC分类号： C22B3/04 ,  C22B3/24 ,  C22B15/00 ,  C22B61/00 ,  B01D15/08 ,  B01D15/42

CPC分类号： C22B15/0089 ,  C01G47/00 ,  C22B3/24 ,  C22B5/00 ,  C22B15/0086 ,  C22B61/00 ,  C25C1/12 ,  Y02P10/234 ,  Y02P10/236

摘要： Various embodiments provide new methods of rhenium recovery. The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated carbon. The methods can also include heating a basic aqueous elution solution and eluting the rhenium from the activated carbon with the heated elution solution.

摘要翻译： 各种实施方案提供了铼回收的新方法。 所述方法可以包括将含金属溶液经受活性炭床，并将铼吸附到活性炭上。 该方法还可以包括加热碱性含水洗脱溶液并用加热的洗脱溶液从活性炭中洗脱铼。

公开(公告)号：US08293093B2

公开(公告)日：2012-10-23

申请号：US11661001

申请日：2005-08-23

申请人： Cesimiro Paulino Fabian ,  Thomas William Lancaster ,  Natalie Lancaster, legal representative

发明人： Cesimiro Paulino Fabian ,  Thomas William Lancaster

IPC分类号： C25C5/00 ,  C25C1/00

CPC分类号： C22B15/0084 ,  C22B3/0097 ,  C22B15/0069 ,  C25C1/12 ,  Y02P10/234 ,  Y02P10/236

摘要： A method of electrowinning or electrorefining copper from a copper electrolyte solution which contains chloride ions, the method comprising the steps of: (a) forming a polyacrylamide solution by dissolving polyacrylamide, having a molecular weight range of 5,000 to 20,000,000 Daltons, in an acidic medium and under conditions to form a polyacrylamide block copolymer having blocks of carboxyl groups dispersed along the polymer backbone; (b) introducing the polyacrylamide solution into an electrolytic cell containing the copper electrolyte solution at a polyacrylamide concentration of 0.01-10 mg/L; and (c) electroplating copper from the copper electrolyte solution to form a copper cathode.

摘要翻译： 一种从包含氯离子的铜电解液中电解或电解铜的方法，所述方法包括以下步骤：（a）通过将分子量范围为5,000至20,000,000道尔顿的聚丙烯酰胺溶解在酸性介质中形成聚丙烯酰胺溶液 并在条件下形成具有沿聚合物主链分散的羧基嵌段的聚丙烯酰胺嵌段共聚物; （b）以聚丙烯酰胺浓度为0.01〜10mg / L，将聚丙烯酰胺溶液引入含有铜电解质溶液的电解槽中; 和（c）从铜电解液中电镀铜以形成铜阴极。

公开(公告)号：US08216532B1

公开(公告)日：2012-07-10

申请号：US13163325

申请日：2011-06-17

申请人： Albert A. Vierheilig

发明人： Albert A. Vierheilig

IPC分类号： C01G17/00

CPC分类号： B01J29/06 ,  B01J20/186 ,  B01J20/3408 ,  B01J20/345 ,  B01J29/061 ,  B01J29/90 ,  B01J38/02 ,  B01J38/60 ,  B01J38/68 ,  C01F17/00 ,  C01F17/0006 ,  C22B7/006 ,  C22B59/00 ,  Y02P10/234 ,  Y02P10/236 ,  Y02P20/584

摘要： Processes described include reacting a fresh or spent catalyst, or sorbent, with a solution containing an extracting agent (such as an acid or a base). Preferably, the catalyst contains both alumina and a molecular sieve (or a sorbent), and the reaction is performed under relatively mild conditions such that the majority of the base material does not dissolve into the solution. Thus, the catalyst can be re-used, and in certain instances the performance of the catalyst even improves, with or without re-incorporating certain of the metals back into the catalyst. Additionally, metals contained in the catalyst, such as Na, Mg, Al, P, S, Cl, K, Ca, V, Fe, Ni, Cu, Zn, Sr, Zn Sb, Ba, La, Ce, Pr, Nd, Pb, or their equivalent oxides, can be removed from the catalyst. Some of the metals that are removed are relatively valuable (such as the rare earth elements of La, Ce, Pr and Nd).

摘要翻译： 所述方法包括使新鲜或废催化剂或吸附剂与含有萃取剂（例如酸或碱）的溶液反应。 优选地，催化剂含有氧化铝和分子筛（或吸附剂），反应在相对温和的条件下进行，使得大部分基材不溶解于溶液中。 因此，可以重新使用催化剂，并且在某些情况下催化剂的性能甚至改善，有或没有将某些金属重新引入催化剂。 另外，催化剂中所含的金属如Na，Mg，Al，P，S，Cl，K，Ca，V，Fe，Ni，Cu，Zn，Sr，Zn Sb，Ba，La，Ce，Pr，Nd ，Pb或其等价氧化物可以从催化剂中除去。 被去除的一些金属是相对有价值的（例如La，Ce，Pr和Nd的稀土元素）。

公开(公告)号：US08206595B2

公开(公告)日：2012-06-26

申请号：US12400636

申请日：2009-03-09

申请人： Hiroshi Hiai ,  Yoshifumi Abe

发明人： Hiroshi Hiai ,  Yoshifumi Abe

IPC分类号： B01D15/04 ,  C22B3/00 ,  C22B3/04 ,  C22B3/06 ,  C22B11/06

CPC分类号： C22B3/42 ,  C22B3/10 ,  C22B11/04 ,  C22B11/046 ,  C22B15/0069 ,  C22B15/0089 ,  Y02P10/214 ,  Y02P10/234 ,  Y02P10/236

摘要： The present invention provides a method of recovering silver safely and efficiently from a chloride or bromide bath containing various metals. Specifically, a method of recovering silver from a hydrochloric acid solution containing alkali and/or alkaline earth metal chloride, silver, copper and iron ions, comprising the steps of: (1) bringing the solution into contact with a strong-base anion-exchange resin to adsorb silver, copper, and iron on the anion-exchange resin; (2) then washing the anion-exchange resin with water to remove the adsorbed copper and iron; and (3) then bringing the ion-exchange resin into contact with a hydrochloric acid solution to elute the adsorbed silver, is provided.

摘要翻译： 本发明提供从含有各种金属的氯化物或溴化物浴中安全有效地回收银的方法。 具体地说，一种从含有碱金属和/或碱土金属氯化物，银，铜和铁离子的盐酸溶液中回收银的方法，包括以下步骤：（1）使溶液与强碱阴离子交换 树脂以在阴离子交换树脂上吸附银，铜和铁; （2）然后用水洗涤阴离子交换树脂以除去吸附的铜和铁; 和（3）然后使离子交换树脂与盐酸溶液接触以洗脱吸附的银。