公开(公告)号：US20140134083A1

公开(公告)日：2014-05-15

申请号：US14010500

申请日：2013-08-26

申请人： Wuhan University of Technology

发明人： Yimin ZHANG ,  Xiaobo ZHU ,  Tao LIU ,  Jing HUANG ,  Tiejun CHEN ,  Shenxv BAO

IPC分类号： C22B34/22

CPC分类号： C22B34/22 ,  C22B1/02 ,  C22B3/06 ,  C22B3/42 ,  Y02P10/234

摘要： A method for extracting vanadium from shale, the method including: a) grinding the shale into fine powders, mixing the fine powders with an additive in a mass ratio of 1:0.04-0.12 to yield a mixture, heating the mixture to a temperature of between 850 and 950° C. at a heating rate of 5-9° C./min, and baking the mixture for between 30 and 90 min; b) immersing the product in water and acid respectively to yield a first solution and a second solution, combining the two solutions, and performing ion exchange adsorption on the combined solution using a styrene-divinylbenzene based macroporous anion-exchange resin; and c) performing desorption, purification, and precipitation to yield poly ammonium vanadate, and calcining the poly ammonium vanadate at a temperature of between 450 and 530° C. for between 20 and 50 min to yield V2O5.

摘要翻译： 一种从页岩中提取钒的方法，该方法包括：a）将页岩研磨成细粉，将细粉与质量比为1:0.04〜0.12的添加剂混合，得到混合物，加热至 在850-950℃之间，加热速率为5-9℃/分钟，并将混合物烘烤30-90分钟; b）分别将产品浸入水和酸中以产生第一溶液和第二溶液，将两种溶液组合，并使用苯乙烯 - 二乙烯基苯大孔阴离子交换树脂在组合溶液上进行离子交换吸附; 和c）进行解吸，纯化和沉淀以产生聚钒酸钒，并在450-530℃的温度下煅烧聚钒酸铵20至50分钟以得到V 2 O 5。

公开(公告)号：US20110139628A1

公开(公告)日：2011-06-16

申请号：US12995453

申请日：2009-05-29

申请人： Sebastian Teir ,  Sanni Eloneva ,  Hannu Revitzer ,  Ron Zevenhoven ,  Justin Salminen ,  Carl-Johan Fogelholm ,  Esko Poylio

发明人： Sebastian Teir ,  Sanni Eloneva ,  Hannu Revitzer ,  Ron Zevenhoven ,  Justin Salminen ,  Carl-Johan Fogelholm ,  Esko Poylio

IPC分类号： C01F11/18 ,  C01G31/00 ,  C25C1/22

CPC分类号： C22B7/04 ,  C01F11/181 ,  C01P2004/03 ,  C01P2004/62 ,  C22B34/22 ,  Y02P10/234

摘要： The present invention concerns a method for producing calcium carbonate containing the steps of extraction of alkaline industrial waste or by-products using as a first extraction solvent an aqueous solution of a salt formed from a weak acid and a weak base, whereby a vanadium-enriched first residue is allowed to settle and a calcium-rich first filtrate is formed, filtration, whereby the first filtrate is separated from the first residue, carbonation of the calcium-rich first filtrate using a carbonation gas, whereby calcium carbonate precipitates and a second filtrate is formed, and a second filtration, whereby the calcium carbonate is separated from the second filtrate. Further, the present invention concerns a method for extracting calcium carbonate and vanadium from alkaline industrial waste or by-products.

摘要翻译： 本发明涉及一种生产碳酸钙的方法，包括以下步骤：使用由弱酸和弱碱形成的盐的水溶液作为第一提取溶剂萃取碱性工业废物或副产物，由此富钒 使第一残余物沉降并形成富含钙的第一滤液，过滤，由此将第一滤液与第一残余物分离，使用碳酸化气使富钙的第一滤液碳酸化，由此碳酸钙沉淀和第二滤液 并进行第二次过滤，由此将碳酸钙与第二滤液分离。 此外，本发明涉及从碱性工业废物或副产物中提取碳酸钙和钒的方法。

公开(公告)号：US07559969B2

公开(公告)日：2009-07-14

申请号：US10913688

申请日：2004-08-06

申请人： Angel Sanjurjo ,  Eugene Thiers ,  Kai-Hung Lau ,  Don L. Hildenbrand ,  Gopala N. Krishnan ,  Esperanza Alvarez

发明人： Angel Sanjurjo ,  Eugene Thiers ,  Kai-Hung Lau ,  Don L. Hildenbrand ,  Gopala N. Krishnan ,  Esperanza Alvarez

IPC分类号： C22B34/12 ,  C22C14/00 ,  C22C33/04 ,  C22C32/00

CPC分类号： C22B34/1286 ,  C22B5/12 ,  C22B34/22

摘要： The present invention is generally directed towards a method for producing a solid metallic composition by reacting a gaseous metal halide with a reducing agent are described. In one embodiment, the method includes reacting a gaseous metal halide with a reducing agent in a manner effective to form a nonsolid reaction product, wherein the metal halide has the formula MXi, in which M is a metal selected from a transition metal of the periodic table, aluminum, silicon, boron, and combinations thereof, X is a halogen, i is greater than 0, and the reducing agent is a gaseous reducing agent selected from hydrogen and a compound that releases hydrogen, and combinations thereof; and solidifying the reaction product, thereby forming a metallic composition comprising M that is substantially free from halides. The invention may be used to produce high-purity metallic compositions, particularly titanium particles and alloys thereof for use in powder metallurgy applications.

摘要翻译： 本发明一般涉及通过使气态金属卤化物与还原剂反应来制造固体金属组合物的方法。 在一个实施方案中，该方法包括以有效形成非固体反应产物的方式使气态金属卤化物与还原剂反应，其中金属卤化物具有式MXi，其中M是选自周期表中的过渡金属的金属 表，铝，硅，硼及其组合，X是卤素，i大于0，还原剂是选自氢和释放氢的化合物的气态还原剂及其组合; 并固化反应产物，从而形成包含基本上不含卤化物的M的金属组合物。 本发明可用于生产用于粉末冶金应用的高纯度金属组合物，特别是钛颗粒及其合金。

公开(公告)号：US07255795B2

公开(公告)日：2007-08-14

申请号：US10478501

申请日：2002-05-14

申请人： Emilio Sentimenti ,  Nicoletta Panariti

发明人： Emilio Sentimenti ,  Nicoletta Panariti

IPC分类号： C02F1/62 ,  C02F101/20

CPC分类号： C22B34/34 ,  C01G39/003 ,  C01G39/06 ,  C22B3/0031 ,  C22B34/22 ,  Y02P10/234 ,  Y10S210/912

摘要： Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps: bringing the liquid mixture to a pH of less than (3); adding a solution of an alkaline xanthate to the solution so that the molar ratio molybdenum/alkaline xanthate ranges from (¼) to (⅛), maintaining the pH constant by means of the addition of an inorganic acid; stirring the mixture causing the precipitation of the molybdenum present in the mixture.

摘要翻译： 从含有它的液体混合物中选择性地除去钼的方法，其量大于（200）mg / l，与钒一起，其特征在于其包括以下步骤：使液体混合物的pH低于（3）; 向溶液中加入碱性黄原酸盐溶液，使得钼/碱金黄酸盐的摩尔比范围为（¼）至（1/8），通过加入无机酸保持pH恒定; 搅拌混合物导致存在于混合物中的钼沉淀。

公开(公告)号：US07182926B2

公开(公告)日：2007-02-27

申请号：US10829264

申请日：2004-04-22

申请人： Toshiaki Akahoshi

发明人： Toshiaki Akahoshi

IPC分类号： C01G37/00 ,  C01G31/00 ,  C22B34/20 ,  B01J20/34

CPC分类号： C22B3/44 ,  C22B3/14 ,  C22B34/22 ,  C22B34/34 ,  Y02P10/234

摘要： A process for economically separating and recovering valuable metal components, with few kinds of chemicals being used, with no waste water that causes environmental pollution being discharged, and also perfectly no by-products being formed by means of simple steps. The process includes a step of leaching a raw material containing at least vanadium oxides and molybdenum oxides with ammonia-containing leaching water to obtain a leached solution containing a vanadium compound and a molybdenum compound, a step of adding ammonium orthomolybdate to the leached solution to separate and recover the deposited ammonium metavanadate from a first solution for separation, a step of adding a water-soluble alcohol to the separated solution to separate and recover the deposited ammonium orthomolybdate from a second solution for separation, a step of distilling the second solution for separation to separate and recover the water-soluble alcohol and a residue solution, a step of adding at least a portion of the residue solution to the ammonia-containing leaching water as the portion thereof, and a step of returning a portion of the recovered ammonium orthomolybdate and a total of a recovered, water-soluble alcohol to the system for reusing.

摘要翻译： 一种经济分离和回收贵重金属组分的方法，使用少量化学品，不会引起环境污染排放的废水，也完全没有通过简单的步骤形成副产物。 该方法包括将含有至少钒氧化物和钼氧化物的原料浸入含氨浸出水中的步骤，以获得含有钒化合物和钼化合物的浸提溶液，向浸提溶液中加入原钼酸铵以分离 并从第一溶液中回收沉淀的偏钒酸铵用于分离的步骤，向分离的溶液中加入水溶性醇以从第二溶液分离和回收沉淀的原钼酸铵的步骤，蒸馏第二分离溶液的步骤 分离和回收水溶性醇和残余物溶液，将至少一部分残留溶液加入到含氨浸出水中作为其部分的步骤，以及将一部分回收的原钼酸铵 并将一种回收的，水溶性醇的混合物用于再次使用。

公开(公告)号：US20040262232A1

公开(公告)日：2004-12-30

申请号：US10478501

申请日：2004-08-26

申请人： ENITECNOLOGIE S.p. A.

发明人： Emillio Sentimenti ,  Nicoletta Panariti

IPC分类号： C02F001/52

CPC分类号： C22B34/34 ,  C01G39/003 ,  C01G39/06 ,  C22B3/0031 ,  C22B34/22 ,  Y02P10/234 ,  Y10S210/912

摘要： Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps: bringing the liquid mixture to a pH of less than (3); adding a solution of an alkaline xanthate to the solution so that the molar ratio molybdenum/alkaline xanthate ranges from (null) to (null), maintaining the pH constant by means of the addition of an inorganic acid; stirring the mixture causing the precipitation of the molybdenum present in the mixture.

摘要翻译： 从含有它的液体混合物中选择性地除去钼的方法，其量大于（200）mg / l，与钒一起，其特征在于其包括以下步骤：使液体混合物的pH低于（3）; 向溶液中加入碱性黄原酸盐溶液，使得钼/碱金黄酸盐的摩尔比范围为（¼）至（1/8），通过加入无机酸保持pH恒定; 搅拌混合物导致存在于混合物中的钼沉淀。

公开(公告)号：US20040026330A1

公开(公告)日：2004-02-12

申请号：US10404192

申请日：2003-04-01

申请人： Bayer Aktiengesellschaft

发明人： Rainer Weber ,  Hans-Dieter Block ,  Michael Batz ,  Jost Halstenberg ,  Michael Lumm ,  Roland-Luiz Roth ,  Dawie Van Der Merre

IPC分类号： C02F001/52

CPC分类号： C01G31/02 ,  C22B1/04 ,  C22B3/44 ,  C22B34/22 ,  C22B34/32 ,  Y02P10/216 ,  Y02P10/234

摘要： Process wherein the vanadium present in the chromium ore chromite is recovered as vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium dichromate.

摘要翻译： 其中铬铬铁矿中存在的钒在铬矿与碱的熔融过程中被回收为五氧化二钒，并且其后处理产生铬酸钠溶液和重铬酸钠。

公开(公告)号：US5882375A

公开(公告)日：1999-03-16

申请号：US765357

申请日：1996-12-31

申请人： Alfred Edlinger ,  Andreas Goessnitzer

发明人： Alfred Edlinger ,  Andreas Goessnitzer

IPC分类号： C04B5/06 ,  C21B3/04 ,  C21B3/06 ,  C21B13/00 ,  C22B7/04 ,  C22B34/22 ,  C22B34/32 ,  C22C33/04 ,  C21B3/08

CPC分类号： C21B3/04 ,  C21B3/06 ,  C22B34/22 ,  C22B34/32 ,  C22B7/04 ,  Y02P10/23 ,  Y02W30/542 ,  Y02W30/543

摘要： In a process for the production of hydraulic binders, crude steel and/or alloys, such as, e.g., FeCr or FeV, from basic steel slags containing chromium and/or vanadium, the liquid steel slag is mixed with an additive selected from the group consisting of blast furnace slag, electric arc furnace slag, dusts from steel production, metallic waste substances or refuse incineration residues and/or with acid additives for lowering the viscosity, whereupon steel is sedimented out of the liquid slag and the remaining slag in a first reduction stage is reduced to metallic iron having an iron oxide content of below 5 wt. % and above 1 wt. %, whereupon the remaining slag melt in a second reduction stage having a higher reduction potential as compared to the first reduction stage is further reduced to metallic Cr or V or ferroalloys thereof and the hydraulically active slag is separated.

摘要翻译： PCT No.PCT / AT96 / 00085 Sec。 371日期1996年12月31日第 102（e）1996年12月31日PCT PCT 1996年5月30日PCT公布。 WO96 / 34989 PCT公开 日期1996年11月7日在从含有铬和/或钒的碱性钢渣生产水硬性粘合剂，粗钢和/或合金（例如FeCr或FeV）的方法中，液态钢渣与 选自高炉渣，电弧炉渣，钢铁生产的粉尘，金属废物或垃圾焚烧残渣的添加剂和/或用于降低粘度的酸添加剂，因此钢从液体渣中沉淀出来， 在第一还原阶段中的剩余炉渣被还原成氧化铁含量低于5重量％的金属铁。 ％以上1重量％ ％，因此在与第一还原阶段相比具有较高还原电位的第二还原阶段中剩余的熔渣进一步还原成金属Cr或V或其铁合金，并且水力活性渣被分离。

公开(公告)号：US5494648A

公开(公告)日：1996-02-27

申请号：US188863

申请日：1994-01-31

申请人： Richard S. Olsen ,  John T. Banks

发明人： Richard S. Olsen ,  John T. Banks

IPC分类号： C01F15/00 ,  C01G49/00 ,  C22B34/12 ,  C22B34/22 ,  C22B60/02

CPC分类号： C01F15/00 ,  C01G49/0018 ,  C22B34/1213 ,  C22B34/22 ,  C22B60/02 ,  C01P2006/80

摘要： A process for removal of thorium from titanium chlorinator waste comprising: (a) leaching an anhydrous titanium chlorinator waste in water or dilute hydrochloric acid solution and filtering to separate insoluble minerals and coke fractions from soluble metal chlorides; (b) beneficiating the insoluble fractions from step (a) on shaking tables to recover recyclable or otherwise useful TiO.sub.2 minerals and coke; and (c) treating filtrate from step (a) with reagents to precipitate and remove thorium by filtration along with acid metals of Ti, Zr, Nb, and Ta by the addition of the filtrate (a), a base and a precipitant to a boiling slurry of reaction products (d); treating filtrate from step (c) with reagents to precipitate and recover an iron vanadate product by the addition of the filtrate (c), a base and an oxidizing agent to a boiling slurry of reaction products; and (e) treating filtrate from step (d) to remove any remaining cations except Na by addition of Na.sub.2 CO.sub.3 and boiling.

摘要翻译： 一种从钛氯化物废料中除去钍的方法，包括：（a）将无水氯化钛废物浸入水或稀盐酸溶液中并过滤以从可溶性金属氯化物中分离出不溶性矿物和焦炭馏分; （b）从摇台上挑选步骤（a）中的不溶级分，以回收可回收或以其他方式使用的二氧化钛矿物和焦炭; 和（c）用试剂处理来自步骤（a）的滤液，通过加入滤液（a），碱和沉淀剂将其与Ti，Zr，Nb和Ta的酸性金属一起过滤沉淀并除去钍 沸腾的反应产物浆液（d）; 用试剂处理来自步骤（c）的滤液，通过向反应产物的沸腾浆液中加入滤液（c），碱和氧化剂来沉淀并回收钒酸铁产物; 和（e）处理来自步骤（d）的滤液，通过加入Na 2 CO 3并煮沸除去Na外的任何剩余的阳离子。

公开(公告)号：US4927794A

公开(公告)日：1990-05-22

申请号：US749614

申请日：1985-06-26

申请人： Paul J. Marcantonio

发明人： Paul J. Marcantonio

IPC分类号： C01G39/00 ,  B01J38/66 ,  C01G31/00 ,  C01G51/00 ,  C01G53/00 ,  C22B7/00 ,  C22B34/22 ,  C22B34/34 ,  C22B34/36

CPC分类号： C22B23/0446 ,  C22B34/22 ,  C22B34/34 ,  C22B34/36 ,  C22B7/008 ,  Y02P10/234

摘要： A process is disclosed to extract metal values selected from the group consisting of cobalt, molybdenum, nickel, tungsten, and vanadium from metal-containing particles, such as spent hydroprocessing catalyst particles containing carbon residue. In this process, the spent catalyst particles are roasted in an oxygen-containing gas at a temperature of from 400.degree. C. to 600.degree. C., and then the roasted catalyst particles are contacted with an aqueous solution of ammonia, ammonium salt, and hydrogen peroxide. That aqueous solution has an initial pH of at least 9.5 and an initial hydrogen peroxide concentration of from 0.02 to 0.2 M. That aqueous solution is maintained at a pH of greater than 9.5.

摘要翻译： 公开了从含有碳的残余物的废加氢处理催化剂颗粒的金属颗粒中提取选自钴，钼，镍，钨和钒的金属值的方法。 在该方法中，将废催化剂颗粒在含氧气体中在400℃至600℃的温度下焙烧，然后将焙烧的催化剂颗粒与氨，铵盐和 过氧化氢。 该水溶液的初始pH至少为9.5，初始过氧化氢浓度为0.02至0.2M。该水溶液保持在大于9.5的pH。