Patents for C22B 11 - Obtaining noble metals (5,080) |
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04/11/2013 | WO2013051715A1 Palladium separating agent, method for producing same and use of same |
04/11/2013 | WO2013049886A1 Improvements in recovery of metals from ores |
04/10/2013 | EP2576850A1 Method for recovering noble metals and other byproducts from ore |
04/10/2013 | CN202865303U Waste gold-bearing material treatment system |
04/10/2013 | CN103038373A Method and apparatus for extracting precious metal from an inorganic granular waste catalyst |
04/10/2013 | CN103031438A Recovery process for rare earth and noble metal in automobile tail gas purification catalyst |
04/10/2013 | CN103031434A Refractory gold ore desulfurizing and dearsenifying method |
04/10/2013 | CN103028483A Method for preparing high-purity gold-loaded pyrite for experiments |
04/10/2013 | CN102071319B Method for preparing high-purity silver from silver-containing waste liquid |
04/09/2013 | CA2530355C Method for processing sulfide ores containing precious metals |
04/04/2013 | WO2013044380A1 A method and a system for gold extraction with halogens |
04/03/2013 | CN202849518U Filter tank for gold production |
04/03/2013 | CN103014368A Method for separating and recovering gold and copper from copper-bearing cyanide pregnant solution |
04/03/2013 | CN103014367A Foam recovery system of cyanide tailings |
04/03/2013 | CN103014353A Method for recovering noble metal platinum |
04/03/2013 | CN103014352A Method for smelting and extracting platinum metal from alumina-supported petrochemical catalyst |
04/03/2013 | CN103014336A Preparation and method for treating high-arsenic and high-sulfur gold ore |
04/03/2013 | CN103014335A Process for comprehensively recovering gold and copper through combined biological dump leaching of refractory gold concentrate and copper melting slag |
04/03/2013 | CN103014322A Method for efficiently separating and purifying rhodium and ruthenium |
04/03/2013 | CN103014319A Method for strengthening gold extraction of iron gold concentrate roasted product containing sulphur and arsenic |
04/03/2013 | CN102031381B Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
04/03/2013 | CN101914686B Method for floating and recycling gold and silver by lead and silver slag ultrasonic treatment in zinc electrolysis plant |
04/02/2013 | CA2570325C Method and device for treating anode slime |
03/28/2013 | WO2013042340A1 Method for metal recovery or removal and method for producing lipids or pigment |
03/28/2013 | US20130074655 Method and a system for gold extraction with halogens |
03/28/2013 | DE102012109063A1 Method for recycling electrochemical proton exchange membrane (PEM) fuel cell, involves discharging platinum group metal (PGM) components contained in carrier of fuel cell during electrochemical reaction |
03/27/2013 | EP2573196A1 Method and apparatus for extracting precious metal from an inorganic granular waste catalyst |
03/27/2013 | CN102994773A Method for recovering platinum group metal from ferrous nickel electrolysis anolyte |
03/27/2013 | CN102994772A Method for recovering silver from silver-contained waste material |
03/27/2013 | CN102994771A Method for extracting palladium sponge from silver electrolysis anode slime parting liquid |
03/27/2013 | CN102994759A Recycling device for noble metals in waste catalyst |
03/20/2013 | CN102978414A Method for precipitating gold from cyanogen-containing gold-plated waste liquid |
03/20/2013 | CN102978409A Method for recovering heavy metal palladium from waste carbon-based catalytic agent |
03/20/2013 | CN102978407A Method for recovering platinum from silver electrolyte |
03/20/2013 | CN102978403A Device for recovering precious metal through ethylenediaminedisuccinic acid |
03/20/2013 | CN102978393A Method for comprehensively recovering valuable elements in copper-containing gold ores |
03/20/2013 | CN102978390A Method for leaching and recovering silver from zinc calcine leaching slag through mechanical activation and thiocarbamide method |
03/20/2013 | CN102978375A Pre-treatment method before regeneration of precious metal by waste catalyst |
03/20/2013 | CN102134641B Gold extraction process of gold concentrate with high carbon, arsenic and sulfur |
03/14/2013 | WO2013035301A1 Precious-metal adsorbent and method for recovering precious metal |
03/14/2013 | CA2791056A1 A method and a system for gold extraction with halogens |
03/13/2013 | EP2566992A1 Controlled bubble collapse milling |
03/13/2013 | CN202786373U Crude silver smelting converter |
03/13/2013 | CN102965511A Circuit board etching liquid treatment method |
03/13/2013 | CN102965503A Separation and purification method of ruthenium in irradiation uranium target |
03/13/2013 | CN102965501A Method for processing copper anode slime in total wet manner |
03/13/2013 | CN102179392B Use of liquid crystal display and method for recycling the same |
03/13/2013 | CN102134653B Separation-smelting combined process for treating difficultly separated copper-containing gold sulfide ores |
03/07/2013 | WO2013029785A1 Method for the removal and recovery of metals and precious metals from substrates |
03/06/2013 | EP2563522A1 Method for recovering valuable metals |
03/06/2013 | CN202766600U Silver recovery device with continuous leaching system |
03/06/2013 | CN202766596U Palladium (Pd) recovery device with calcination device provided with control system |
03/06/2013 | CN202766595U Device for recovering platinum-containing spent catalyst through resin exchange |
03/06/2013 | CN202766589U Cathode glaur gold-silver separation device |
03/06/2013 | CN202766588U Sulfur-containing gold concentrate sulfating roasting system |
03/06/2013 | CN202762180U Alkali leaching, filtering and drying system provided with spiral conveying equipment |
03/06/2013 | CN102959103A Recovery method for high purity platinum |
03/06/2013 | CN102952950A Method for recovering metal palladium by utilizing ethylenediamine di-succinic acid |
03/06/2013 | CN102952947A Comprehensive recovery method of rare metals in waste circuit boards |
03/06/2013 | CN102251110B Method for recovering gold-loaded active carbon powder by using active carbon filter device |
03/05/2013 | US8388730 Process of leaching gold |
02/28/2013 | US20130047783 Integrated Spin Systems for the Separation and Recovery of Gold, Precious Metals, Rare Earths and Purification of Water |
02/27/2013 | EP2562273A1 System and method for recycling rare metals |
02/27/2013 | CN202755037U Device for extracting gold and silver from lead/bismuth-base alloy |
02/27/2013 | CN202755035U Biological pre-oxidation test study continuous device |
02/27/2013 | CN102947472A Method for recovering noble metals and other byproducts from ore |
02/27/2013 | CN102943180A Method for recycling gold and silver from silver separating residues of copper anode slime |
02/27/2013 | CN102943175A Method for reinforcing bacterial preoxidation of arsenic-containing gold ore |
02/27/2013 | CN102251098B Method for extracting rare noble metals |
02/21/2013 | WO2013023297A1 Process of leaching precious metals |
02/21/2013 | US20130045281 Prepartion of silver ion |
02/21/2013 | CA2843791A1 Process of leaching precious metals |
02/20/2013 | CN102939397A Hydrometallurgical process and method for recovering metals |
02/20/2013 | CN102936659A Closed-circuit process technique for recovering multiple metals from copper and lead electrolysis anode mud |
02/20/2013 | CN102936658A Recovery method for platinum, aluminium and rhenium from waste reforming catalyst |
02/20/2013 | CN102936657A Method for metal recovery by ceramic capacitor |
02/19/2013 | CA2525933C Process for the concentration of noble metals from fluorine-containing fuel cell components |
02/13/2013 | CN102933495A Method for recovering gold by solvent extraction |
02/13/2013 | CN102925922A Process for recovering plumbum and silver from waste slag of metal smelting |
02/13/2013 | CN102925716A Pressurization, water immersion and oxidation preprocessing cyaniding gold extraction method for difficult-processing gold concentrates |
02/13/2013 | CN102925715A Method for selectively recovering silver from copper anode slime |
02/13/2013 | CN102925714A Method for selectively recycling gold and silver from copper anode slime |
02/13/2013 | CN102925713A Method for recovering rhodium from rhodium-containing waste catalyst in hydroformylation through sulfur |
02/13/2013 | CN102925705A Method for recovering valuable metals from furnace blocks of silver-refining furnaces |
02/13/2013 | CN102925703A Method for recycling valuable metals from lead anode slime |
02/13/2013 | CN102925700A Method for recovering precious metal from electronic waste |
02/13/2013 | CN102925699A Method for recovering rhodium from dead catalysts containing rhodium of hydroformylation reaction through treatment of hydrogen peroxide |
02/13/2013 | CN102925696A Comprehensive recycling method of waste plasma screen |
02/13/2013 | CN102925679A Manufacturing method of high-purity gold |
02/13/2013 | CN102925678A Corrosion-resistance and abrasion-resistance treatment method of bottom of hydrometallurgical reaction tank |
02/13/2013 | CN102925669A Comprehensive recovery method for reelected tailings of stannic oxide ore |
02/07/2013 | WO2013016813A1 Process for recovering metals by reduction and carbonylation |
02/07/2013 | CA2843760A1 Process for recovering metals by reduction and carbonylation |
02/06/2013 | CN102912153A Method for one-step enrichment of whole noble metals from water solution containing noble metals |
02/06/2013 | CN102912147A Process for recycling lead zinc, silver and iron from tailings after carrying out sulphur flotation on zinc oxygen pressure leaching slag |
02/06/2013 | CN102912143A Method for comprehensively treating indium-containing lead anode slime through whole wet process |
02/06/2013 | CN102912141A Method for digesting waste rhodium catalyst from olefin hydroformylation reaction |
02/06/2013 | CN102912138A Method of recycling zinc, manganese, lead and silver from zinc electrowinning anode mud |
02/06/2013 | CN102912128A Method for separating and purifying rhodium through anion exchange resin |
02/06/2013 | CN102912116A Smelting residue flash magnetizing roast comprehensive recycling technology |