Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 11 - Obtaining noble metals
Patents for C22B 11 - Obtaining noble metals (5,080)
10/2012
10/31/2012CN101760628B Thiosulfate gold extracting method taking diethylenetriamine as additive
10/30/2012US8298315 Use of liquid-crystal displays, and processes for the recycling thereof
10/24/2012CN102747234A Method for recovering silver from silver-containing waste liquid
10/24/2012CN102747229A Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board
10/24/2012CN102747226A Method for treating zinc hydrometallurgy waste residue by using alkali ammonium sulfur coupling method
10/24/2012CN102071310B Method for comprehensively utilizing gold and arsenic-containing sulfur concentrate
10/24/2012CN102051491B Method for concentrating gold from pyrite inclusion-type gold ore
10/18/2012WO2012141607A1 Gold and silver extraction technology
10/18/2012WO2012140128A1 Process for providing noble metal-containing mixtures for recovering noble metals
10/18/2012DE102011016860A1 Verfahren zur Bereitstellung edelmetallhaltiger Stoffgemische für die Rückgewinnung von Edelmetallen A method for providing noble metal mixtures for the recovery of precious metals
10/18/2012CA2832290A1 Process for providing noble metal-containing mixtures for recovering noble metals
10/18/2012CA2829663A1 Gold and silver extraction technology
10/17/2012CN102732735A Method for recovering valued metals from melting slag of copper anode slime Kaldo furnace
10/17/2012CN102732733A Process for recovering silver and lead sulfate from slag
10/17/2012CN102732729A Method for removing nickel and copper from high nickel copper anode mud
10/17/2012CN102732728A Separation method of noble metals in scrapped auto-exhaust catalyst
10/17/2012CN102732721A Closed circulation active carbon adsorption system
10/10/2012CN102719675A Method for comprehensively recovering zinc, lead and silver from waste residues generated in zinc smelting
10/10/2012CN102719668A Technology for extracting zinc, lead and silver step by step by processing zinc-leached residues by full wet process
10/10/2012CN101715493B Process for precious metal recovery from a sulphide ore or concentrate or other feed material
10/09/2012US8282903 Method for recovering nitric acid and purifying silver nitrate electrolyte
10/04/2012WO2012074255A3 Apparatus for recovering precious metals and components from pcb substrate and recovering method using same
10/04/2012US20120247273 Processes and uses of dissociating molecules
10/03/2012CN102703726A Method for extracting manganese and silverfrom oxidized manganese- silverores
10/03/2012CN102703713A Method for improving gold recycle rate in two-stage burning-cyaniding gold leaching process
10/03/2012CN102703712A Combined filtration process for recovering noble metal catalyst from fischer-tropsch synthesis products
10/03/2012CN102703710A Resource treatment method for extracting gold by means of waste plastic-packaged IC card plates
10/03/2012CN102703708A Method for extracting gold and silver from electronic wastes
10/03/2012CN102703695A Method for comprehensively recovering iron and germanium from zinc calcine containing high iron and high indium
10/03/2012CN102703691A New technology for extracting high-purity gold by adopting wet process
10/03/2012CN102703690A Method for separating high-ferrosilicon complex zinc oxide lean ores through combined treatment
10/03/2012CN102392142B Silver-separating apparatus of silver-containing anode slime
10/03/2012CN102051490B Novel method for recovering silver in high-iron sphalerite
10/03/2012CN102002601B Method for extracting gold and silver
09/2012
09/26/2012CN102690957A Method for extracting gold from copper-containing gold oxide ore
09/26/2012CN102690955A Method for comprehensively recycling valuable metals from lead anode slime by oxygen pressure treatment
09/26/2012CN102690950A Method for recycling gold from low-grade gold-containing tail liquid generated from gold-carrying carbon desorption-electrodeposition technology
09/26/2012CN102690946A Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials
09/26/2012CN102690942A Method for reduction roasting and fortified acid dissolving of sulfur-containing gold concentrate calcine
09/26/2012CN102061395B Smelting and separating method of noble lead
09/25/2012CA2480229C Process for extracting platinum group metals
09/20/2012WO2012124565A1 Method for recovering platinum group metals
09/20/2012US20120234138 Method of recovering gold from dilute gold solution
09/20/2012DE102011014505A1 Prozess zur Rückgewinnung von Edelmetall aus funktionalisierten edelmetallhaltigen Adsorptionsmaterialien Process for the recovery of precious metals from noble metal-containing adsorbents functionalized
09/20/2012CA2829741A1 Method of recovering platinum group elements
09/19/2012EP2500442A1 Process for recovery of precious metal from functionalised absorption materials containing precious metals
09/19/2012CN102676838A Gold extraction method employing gold cyanided tailing roasting-ultrasonic intensification thiourea gold leaching-activated carbon enrichment
09/19/2012CN102676837A Method for recycling palladium from silver electrolyte by using dimethylglyoxime
09/19/2012CN102676836A Method for recovery of precious metal from functionalised absorption materials containing precious metals
09/19/2012CN102676835A Method for recovery of Ir from platinum group-containing solution
09/19/2012CN102676828A Equipment for extracting gold and silver from lead/bismuth base alloy
09/19/2012CN102676822A Burning-free non-cyaniding method for treating waste printed circuit board
09/19/2012CN102676805A Low grade zinc concentrate associated lead and silver recovery process
09/19/2012CN102671636A Preparation and application of terpolymer metallic ion adsorbent
09/19/2012CN101857920B Device for recovering noble metals
09/18/2012US8268232 Dissolution apparatus for noble metals
09/13/2012WO2012121496A2 Method for recovering platinum group metals from industrial waste containing platinum group metals
09/13/2012WO2012121495A2 Method for recovering precious metal from polyketone polymerization reaction waste liquid
09/12/2012CN102660690A Method for recovering valuable metal from zinc hydrometallurgy high acid leach residue
09/12/2012CN102660689A Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide
09/12/2012CN102660684A Method for purifying silver by using wastewater of silver plating production line of rhinestone and method for preparing high-purity silver nitrate
09/12/2012CN102660675A Cyanide leaching device for gold ore
09/12/2012CN102659711A Methylene rhodanine reagent and application thereof in solid phase extraction of platinum
09/12/2012CN101748283B Method and equipment for recovering gold from gold jewelry polishing powder
09/11/2012US8262770 Process for controlling acid in sulfide pressure oxidation processes
09/11/2012US8262768 Method to improve recovery of gold from double refractory gold ores
09/05/2012CN101535510B Method for collecting metal
08/2012
08/30/2012WO2012114165A1 Energy efficient recovery of precious metals and base metals
08/29/2012EP2491150A1 Process for recovery of precious metals
08/29/2012CN102649999A Plasma arc melting enrichment method and plasma arc melting enrichment device for recycling metal elements of platinum group
08/29/2012CN102649048A Absorbent and method of collecting precious metals
08/29/2012CN102220494B Method for separating palladium and copper from solution containing copper, cobalt and nickel by taking acylthiourea as extractant
08/29/2012CN101831551B Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud
08/29/2012CN101775490B Gold extracting method by thiosulfate using polyamine compoud as additive
08/28/2012CA2745933C Method for thiosulfate leaching of precious metal-containing materials
08/23/2012WO2012111563A1 Method for recovering platinum group elements from sic-based substance
08/23/2012WO2012111542A1 Method for collection of ruthenium or ruthenium compound
08/22/2012CN102643984A Integrated technique for hot aggregate conveying and high-temperature acid leaching in treatment process of complex polymetallic refractory gold concentrate
08/22/2012CN102643979A Switching method for first-stage peroxide-roasting at high temperature and second-stage underoxide-roasting at low temperature and equipment thereof
08/22/2012CN101760627B Method for recovering noble metal in waste noble metal catalysts
08/16/2012WO2012108522A1 Method for recovering pgm from member to be processed that contains pgm
08/15/2012CN102634672A Method for treating arsenic-containing waste copper slag
08/15/2012CN102634666A Method for dearsenicating fresh high-arsenium lead anode slime under oxygen pressure
08/15/2012CN102634663A Enrichment and separation technology of low-grade material containing silver, lead, copper and bismuth
08/15/2012CN102634661A Application of additive in enhancing oxidization of arsenical gold mineral by bacteria
08/14/2012CA2599174C Method for leaching gold
08/14/2012CA2519054C Recovery of metal values from cermet
08/09/2012WO2012104806A1 Refining of platinum group metals concentrates
08/09/2012CA2825996A1 Refining of platinum group metals concentrates
08/08/2012EP2240614B1 Process for the recovery of precious metals from used and/or defective catalytic carriers
08/08/2012EP1636393B1 Process for recovery of palladium from spent catalyst
08/08/2012CN102629494A Method for extracting and separating element palladium from high-level waste
08/08/2012CN102628103A Method for enriching valuable metal from mine tailing and smelting slag by fire method
08/08/2012CN101956079B Rare and noble metal recycling device
08/07/2012CA2522074C Recovery of platinum group metals
08/02/2012WO2012078020A3 Method for leaching copper and silver contained in refractory mineral phase ores containing iron and sulphur
08/01/2012EP2064357B1 Device for catchment of platinum group metals in a gas stream
08/01/2012CN102618730A Process for separating materials containing indium, lead, silver, copper and bismuth
08/01/2012CN102618472A Method for breeding and separating high arsenic oxidizing bacteria
08/01/2012CN102614837A Method for adsorbing and recovering precious metal gold by persimmon tannin-containing metal adsorbent
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