| Patents for C22B 11 - Obtaining noble metals (5,080) |
|---|
| 10/27/2011 | US20110259148 Method for Aqueous Gold Thiosulfate Extraction Using Copper-cyanide Pretreated Carbon Adsorption |
| 10/27/2011 | CA2738382A1 Method for aqueous gold thiosulfate extraction using copper-cyanide pretreated carbon adsorption |
| 10/26/2011 | CN102226240A Heap leaching process for arsenium/stibium-containing refractory fine-grain gold oxide ore and leach liquor thereof |
| 10/20/2011 | WO2011128061A1 Functionalised materials and uses thereof |
| 10/19/2011 | EP2377955A1 Method of electrochemical dissolution of ruthenium-cobalt-based alloy |
| 10/19/2011 | EP2376665A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution |
| 10/19/2011 | CN102220494A Method for separating palladium and copper from solution containing copper, cobalt and nickel by taking acylthiourea as extractant |
| 10/13/2011 | WO2010076297A3 Method for recovering ruthenium from spent catalysts containing ruthenium oxide |
| 10/13/2011 | US20110247459 Compound, Metal Extractant, and Application of the Same |
| 10/12/2011 | CN102212704A Dissolution method of noble metal material |
| 10/12/2011 | CN102212702A Device and method for recovering electroplating colloidal palladium |
| 10/12/2011 | CN102212699A Method for recovering noble metal |
| 10/12/2011 | CN102212696A Process for recovery of precious metals |
| 10/12/2011 | CN102212693A Process for preparing silver nitrate and aluminum nitrate nonahydrate from waste silver catalyst of ethylene oxidation method |
| 10/06/2011 | WO2010058188A9 Plasma method and apparatus for recovery of precious metals |
| 10/06/2011 | US20110243784 Method for recovering metal from target and method for manufacturing target |
| 10/05/2011 | EP2370606A1 Plasma method and apparatus for recovery of precious metals |
| 10/05/2011 | CN201999974U Processing device for recycling waste liquid containing noble metal |
| 10/05/2011 | CN102206759A Decyanation method and apparatus of cyanogen-containing tailings |
| 10/04/2011 | US8030055 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 10/04/2011 | US8029751 Reduction of lime consumption when treating refractory gold ores or concentrates |
| 10/04/2011 | US8029598 Method for recovering metal values from refractory sulfide ore |
| 09/28/2011 | CN102202794A Method for producing a bulk concentrate |
| 09/27/2011 | US8025859 Process for gold and silver recovery from a sulphide concentrate |
| 09/22/2011 | US20110229366 Method for recovering rhenium and other metals from rhenium-bearing materials |
| 09/21/2011 | CN102191375A Technology for recycling gold and silver through direct flotation under high Zn<2+> concentration of zinc hydrometallurgy acid leaching pulp |
| 09/21/2011 | CN101812594B Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace |
| 09/20/2011 | US8021870 Method of biotreating a solid material comprising an organic compound |
| 09/14/2011 | CN1981060B Method and device for treating anode slime |
| 09/14/2011 | CN102181659A Efficient dissolution method of insoluble noble metal rhodium |
| 09/14/2011 | CN102181654A Method for recovering zinc, silver and copper from zinc leaching residue |
| 09/14/2011 | CN102181648A Method for recovering noble metals from dead catalyst for hydrogenation for preparing DSD acid |
| 09/14/2011 | CN102181645A Method for extracting silver from silver-extracted sediment |
| 09/14/2011 | CN102181644A Method for reclaiming rare noble metals from waste circuit board |
| 09/14/2011 | CN102181634A Process for controlling alkalinity in large-scale dump leaching production process of oxidized gold ores |
| 09/14/2011 | CN102181632A Wet pretreatment method for carbonaceous refractory gold concentrate |
| 09/14/2011 | CN102181629A Treatment method of roasting arsenium-containing gold ore concentrate |
| 09/14/2011 | CN102179392A Use of liquid crystal display and method for recycling the same |
| 09/13/2011 | US8016912 Process for recovering platinum group metals using reductants |
| 08/31/2011 | CN102168179A Technology for producing Au and Ag from precious Pb by vacuum distillation |
| 08/31/2011 | CN102168176A Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 08/31/2011 | CN102168175A Method for purifying Au999, PT999, Pd999, Os999 and Ag999 |
| 08/25/2011 | WO2011100821A1 Process for the recovery of gold from an ore in chloride medium with a nitrogen species |
| 08/25/2011 | CA2789095A1 Process for the recovery of gold from an ore in chloride medium with a nitrogen species |
| 08/24/2011 | CN201942725U 一种废线路板的贵金属多级提纯加工成套设备 A multi-stage purification processing precious metal scrap circuit board equipment |
| 08/24/2011 | CN102162035A Vacuum distillation process for extracting silver from silver zinc slag |
| 08/24/2011 | CN102162032A Method for recovering lead and silver from purification slag of zinc hydrometallurgy |
| 08/23/2011 | US8003066 Method for scrubbing amine-type extractant |
| 08/18/2011 | WO2011056576A3 Reclamation of metals from electronic waste with recovery of used nitric acid |
| 08/17/2011 | CN102160220A Recycling batteries having basic electrolytes |
| 08/17/2011 | CN102159738A Method for the recovery of noble metals |
| 08/17/2011 | CN102159737A Method for the sorptive extraction of precious metals |
| 08/17/2011 | CN102159736A Method for processing mineral raw material |
| 08/17/2011 | CN102154561A Non-cyanide gold leaching method for refractory gold concentrate |
| 08/17/2011 | CN102154544A Use method of sulfide as gold extraction auxiliary agent of sulfating roasting slag |
| 08/16/2011 | CA2411444C Process for electrochemical decomposition of superalloys |
| 08/11/2011 | WO2007019707A8 Method and apparatus for the recovery of refractory mineral ores |
| 08/10/2011 | CN102146516A Metal compound removal |
| 08/10/2011 | CN101787440B Method for wet processing of high antimony-lead anode mud |
| 08/10/2011 | CN101519732B Method for recycling ruthenium from ruthenium-containing waste |
| 08/10/2011 | CN101519731B Method for extracting high arsenic complicated golden ore concentrate multielement |
| 08/03/2011 | CN201915132U System for recycling bismuth silver from bismuth refining slags |
| 08/03/2011 | CN102139196A Continuous chlorination horizontal pipe type device |
| 08/03/2011 | CN101705378B Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver |
| 08/02/2011 | CA2565643C Operation method of copper smelting |
| 07/28/2011 | WO2011091231A1 Hydrometallurgical process and method for recovering metals |
| 07/28/2011 | WO2011090102A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 07/28/2011 | CA2787515A1 Hydrometallurgical process and method for recovering metals |
| 07/27/2011 | EP2348137A1 Method for generating ruthenium from materials or noble metal ore concentrates containing ruthenium or ruthenium oxide |
| 07/27/2011 | CN102134653A Separation-smelting combined process for treating difficultly separated copper-containing gold sulfide ores |
| 07/27/2011 | CN102134652A Process for preliminarily separating antimony from gold in antimony-gold material |
| 07/27/2011 | CN102134651A Heap leaching drainage system for large-scale production of low-grade gold oxide ores |
| 07/27/2011 | CN102134647A Method for extracting platinum group metals from waste automotive three-way catalyst |
| 07/27/2011 | CN102134641A Gold extraction process of gold concentrate with high carbon, arsenic and sulfur |
| 07/27/2011 | CN102133556A Method for reclaiming gold and silver by ultrasonic treatment and flotation of gold and silver containing tailings |
| 07/27/2011 | CN101550487B Method for recovering metal platinum from industrial waste |
| 07/21/2011 | US20110174112 Method for the recovery of nobel metals |
| 07/21/2011 | US20110174111 Method of mineral raw materials processing |
| 07/20/2011 | EP1812610B1 Extraction process |
| 07/20/2011 | CN102127653A Process for extracting gold by modified pressure oxidation-cyaniding |
| 07/20/2011 | CN102127644A Method for recovering gold and silver from refining slag in gold electrowinning |
| 07/20/2011 | CN102127635A Fluidization roasting method for gold sulfide ore |
| 07/13/2011 | EP1975259B1 Method for separation and recovery of noble metals |
| 07/13/2011 | EP1831414B1 Use of non-ionic surfactants in the production of metals |
| 07/13/2011 | EP1583848B1 Recovering metals from sulfidic materials |
| 07/13/2011 | CN102121067A Nuisanceless oredressing additive as well as preparation method and application thereof |
| 07/12/2011 | CA2488146C Inhibition of the depletion of precious metal values from pregnant lixiviant solutions |
| 07/12/2011 | CA2468053C Electromagnetic pyrolysis metallurgy |
| 07/06/2011 | CN102115824A Method for preparing chromium hydroxide, silver chloride and nitrate from detoxicated chromium slag |
| 07/06/2011 | CN102115814A Normal pressure catalytic oxidation method for refractory polymetallic gold sulfide concentrate |
| 07/06/2011 | CN101818258B Method for quickly leaching gold and silver by using mixed leaching agent |
| 07/06/2011 | CN101787442B Cyanide leaching method for gold ores |
| 07/05/2011 | US7972413 Precious metal recovery from solution |
| 07/05/2011 | US7972412 Process for recovering platinum group metals from ores and concentrates |
| 06/30/2011 | WO2011056548A3 Nitric acid process for the separation and recovery of metals from electronic waste |
| 06/29/2011 | CN201883132U Environment-friendly energy-saving leaching tank |
| 06/29/2011 | CN201883124U Chemical industry solid-liquid separation and precious metal recovering device |
| 06/29/2011 | CN102108444A Method for recycling ruthenium in supported type ruthenium catalyst |
| 06/29/2011 | CN102108441A Multiple-step purifying method for precious metals of waste PCB (printed circuit board) |
| 06/28/2011 | US7968065 Process for the recovery of value metals from base metal sulfide ores |