| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 05/23/2012 | CN101713026B Method for extracting palladium from high-level liquid waste |
| 05/22/2012 | CA2524234C Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same |
| 05/18/2012 | WO2012031194A3 Compositions and methods for the separation of metals |
| 05/18/2012 | WO2012024603A3 Sustainable process for reclaiming precious metals and base metals from e-waste |
| 05/17/2012 | US20120118108 Recovery of Precious Metals from Spent Homogeneous Catalysts |
| 05/16/2012 | CN102459661A 金的强化回收 Enhanced recovery of gold |
| 05/16/2012 | CN102459660A 从阴极相关金精选矿中提取金 To extract gold from ore cathode related gold Featured |
| 05/16/2012 | CN102459659A 加工贵金属原料的方法 Noble metal material processing method |
| 05/16/2012 | CN102453806A Method for recovering rhodium from waste solution of carbonyl synthesis waste rhodium catalyst |
| 05/16/2012 | CN102452703A Method for recovering resources from gold mine cyanide barren solution |
| 05/15/2012 | CA2531913C A process for recovering platinum group metals from ores and concentrates |
| 05/10/2012 | WO2012060417A1 Capsule for non-ferrous metal collection and method for collecting non-ferrous metal |
| 05/10/2012 | CA2815174A1 Capsule for collecting non-ferrous metal and method of collecting non-ferrous metal |
| 05/09/2012 | CN202214407U Cyaniding dump leaching alkalinity control system |
| 05/09/2012 | CN202214405U Simple expensive carbon taker |
| 05/09/2012 | CN102449175A A metal recovery method using protonemata of moss plants |
| 05/09/2012 | CN102443707A Method for recycling platinum from organic alcohol waste liquor |
| 05/03/2012 | US20120103138 Method of oxidative leaching of sulfide ores and/or concentrates |
| 05/02/2012 | CN102433445A Technology for transforming lead silver chlorine salt system into carbonate system |
| 05/02/2012 | CN102430482A Method for comprehensively recycling copper, gold and silver from liquid obtained after copper separation of tailings subjected to cyaniding for gold extraction |
| 04/26/2012 | WO2012053915A1 A process of gold and copper recovery from mixed oxide - sulfide copper ores |
| 04/25/2012 | CN102428194A 从废均相催化剂中回收贵金属 Recovery of precious metals from waste homogeneous catalysts |
| 04/25/2012 | CN102424445A 金精矿氰化提金后的排液的处理方法和系统 Gold concentrate cyanidation gold after the draining of the processing method and system |
| 04/24/2012 | CA2623699C Method and device for burning-off precious metal-containing materials |
| 04/24/2012 | CA2507370C Separation process for platinum group elements |
| 04/19/2012 | US20120090433 Enhanced recovery of gold |
| 04/18/2012 | CN102417981A Method for extracting and separating platinum, palladium and rhodium by using ionic liquid-based three-liquid phase system |
| 04/18/2012 | CN102416399A 从锌窑渣中综合回收铁银铜碳的方法 Comprehensive recycling iron from zinc-silver-copper furnace slag carbon method |
| 04/12/2012 | DE102010048112A1 Extracting gold from sea water, comprises extracting using techniques of diamagnetism, paramagnetism, ferromagnetism, antiferromagnetism, magnetism and metamagnetism |
| 04/11/2012 | EP2439292A1 A metal recovery method using protonemata of moss plants |
| 04/11/2012 | CN102409183A Gold extraction method by pre-oxidation and cyanide leaching of refractory gold concentrate |
| 04/11/2012 | CN102409176A 废载金活性炭综合处理的工艺 Process waste comprehensive treatment of activated carbon contained gold |
| 04/11/2012 | CN102409171A New process for treating vulcanized gold-containing ore |
| 04/11/2012 | CN102409161A 一种提高金银浸出率的方法 An enhanced method of gold and silver leaching rate |
| 04/04/2012 | CN202181333U 变流隔浮沉淀装置 Variable flow separator float sedimentation device |
| 04/04/2012 | CN102405298A 从用过的含氧化钌催化剂中回收钌的方法 A method for recovering ruthenium from a used ruthenium-containing catalyst in the oxidation |
| 04/04/2012 | CN102399996A 一种氰化浸金回水的净化与再生方法 A method of purification and regeneration of cyanide leaching of gold backwater |
| 04/04/2012 | CN102399993A Method for treating waste residue from wet method gold smelting |
| 04/04/2012 | CN102399986A 一种从含锌铜金精矿焙烧酸浸萃取提铜后液中回收锌的方法 A dip zinc-copper-gold concentrate roasting from the acid solution after extraction extract copper zinc recovery methods |
| 04/04/2012 | CN101812591B 废电路板的金、铜、硫酸铜、氯化铜废液回收方法 Waste circuit board gold, copper sulfate, copper chloride, copper waste recycling process |
| 03/28/2012 | CN102392142A Silver-separating apparatus of silver-containing anode slime |
| 03/28/2012 | CN102392141A Method for separating tellurium from precious metals |
| 03/28/2012 | CN102392138A Technological method for comprehensively recovering valued metal such as indium and germanium from lead-zinc smoke |
| 03/28/2012 | CN102392137A Method for recovering silver from waste fixer by using acid as precipitant |
| 03/22/2012 | WO2012034255A1 Method for extracting gold coated by gangue |
| 03/22/2012 | US20120067170 Extraction of gold from cathode associated gold concentrates |
| 03/22/2012 | US20120067169 Method for processing precious metal source materials |
| 03/21/2012 | EP2430202A1 Recovery of precious metals from spent homogeneous catalysts |
| 03/21/2012 | CN102388154A Plasma method and apparatus for recovery of precious metals |
| 03/21/2012 | CN102382988A Method for recovering metallic palladium from waste silicon oxide catalyst |
| 03/21/2012 | CN102382986A Treatment method of furnace bricks of Kaldo furnace |
| 03/21/2012 | CN101818247B Selective heap leaching gold extraction process for gold mine containing copper |
| 03/15/2012 | WO2012031379A1 Method for extracting gold through low-temperature roasting |
| 03/15/2012 | US20120063948 Nanowire preparation methods, compositions, and articles |
| 03/15/2012 | US20120060651 Controlled copper leach recovery circuit |
| 03/14/2012 | CN202164340U 一种电化学溶解铂的设备 An electrochemical dissolution of platinum equipment |
| 03/14/2012 | CN102373339A Air flotation type air power leaching tank |
| 03/14/2012 | CN102373338A Method for extracting metallic silver from silver chloride sediment |
| 03/14/2012 | CN102373337A Process for processing complex gold ore containing copper and arsenic |
| 03/14/2012 | CN102373336A Method for separating copper and silver from dross produced by producing copper from smelting lead |
| 03/14/2012 | CN102373335A Method for recovering rhodium from inactivated rhodium-phosphine complex catalyst |
| 03/14/2012 | CN101667566B Gold-coated-sliver base bonding silk thread and manufacture method thereof |
| 03/13/2012 | CA2454013C Process for regenerating thiosulphate from a gold leaching stream |
| 03/08/2012 | WO2012029379A1 Recovery method for high purity platinum |
| 03/07/2012 | CN102366716A Adsorption agent for noble metal, method for manufacturing same, and method for recovering noble metal |
| 03/07/2012 | CN101928834B Method for recovering rare precious metals from solution |
| 03/07/2012 | CN101812597B Secondary refining process for silver |
| 03/06/2012 | CA2516350C Method for recovering platinum group element |
| 02/29/2012 | CN102363839A Process for recovering silver, lead and bismuth from silver-bearing soot comprehensively |
| 02/23/2012 | WO2012024603A2 Sustainable process for reclaiming precious metals and base metals from e-waste |
| 02/22/2012 | CN101928825B 一种金的湿法提纯方法 Wet purification method of payment |
| 02/22/2012 | CN101880777B 利用粘土石墨坩埚熔炼脱除电解银粉中铋锑的方法 The use of clay graphite crucible melting silver bismuth antimony removal electrolysis method |
| 02/22/2012 | CN101831557B 一种抗自然时效软化高纯银材的制备方法 An anti-aging to soften naturally high silver material preparation |
| 02/21/2012 | CA2636927C Method for separation and recovery of noble metals |
| 02/16/2012 | US20120036962 Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same |
| 02/15/2012 | EP2417272A1 Ionic liquid solvents of perhalide type for metals and metal compounds |
| 02/15/2012 | CN102352441A Method for recycling silver from waste fixer |
| 02/15/2012 | CN102352440A Method for recovering palladium sponge and bismuth from multi-metal catalyst utilized in sodium gluconate production |
| 02/15/2012 | CN102352438A Method for removing iron in waste catalytic plane platinum gauze |
| 02/14/2012 | US8114189 Method for treating iron in a silver recovery process |
| 02/14/2012 | US8114188 Method for eliminating carbon contamination of precious metal components |
| 02/08/2012 | CN202136838U 活性炭过滤装置 Activated carbon filtration device |
| 02/08/2012 | CN101560606B 一种贵铅物料真空蒸馏脱铅的方法 One kind of material you lead off the lead vacuum distillation method |
| 02/01/2012 | EP2411550A1 Platinum group metal recovery from powdery waste |
| 02/01/2012 | CN102341512A Platinum Group Metal Recovery From Powdery Waste |
| 02/01/2012 | CN102337407A Method for adsorbing palladium falling off in glucose oxidation process by active carbon |
| 02/01/2012 | CN102337402A Extraction method of gold from gold-containing sulfur ore concentrate |
| 02/01/2012 | CN102337391A Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 02/01/2012 | CN101876005B 两段加压氧浸法从难处理硫化矿金精矿中提取金的方法 Two pressurized oxygen leaching method to extract gold from refractory sulfide ores of gold in concentrate |
| 02/01/2012 | CN101768123B 2-辛基硫代-1h-苯并咪唑及制备方法和用其萃取分离钯铂的方法 2- dioctylthiomethyl -1h- benzimidazole and preparation method and method for separating palladium platinum with its extraction |
| 01/26/2012 | WO2012012011A1 Process for recovery of precious metals |
| 01/26/2012 | CA2783646A1 Process for recovery of precious metals |
| 01/25/2012 | EP2408950A1 Electrorecovery of metals |
| 01/25/2012 | CN102329967A Method for recovering gold from gold-containing barren solution and purifying gold-containing barren solution |
| 01/25/2012 | CN102329960A Method for extracting gold from waste and old circuit board |
| 01/25/2012 | CN102329959A Separation method of palladium from silver electrolyte |
| 01/25/2012 | CN102329958A Bacterial oxidation and cyaniding silver extraction process for silver concentrates difficult to leach |
| 01/24/2012 | US8101304 Process for the concentration of noble metals from fluorine-containing fuel cell components |
| 01/19/2012 | WO2012008453A1 Rotary kiln and metal recovery method |
| 01/19/2012 | US20120011966 Use of liquid-crystal displays, and processes for the recycling thereof |