| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 04/02/2014 | CN203518574U Roasting furnace allowing heat to be used continuously at multiple stages for roasting gold concentrate |
| 04/02/2014 | CN203513764U Recycling system of gold leaching liquor |
| 04/02/2014 | CN103695663A Smelting method of high-iron multi-metal zinc concentrate |
| 04/02/2014 | CN103695662A Comprehensive utilization method of slag iron concentrates of wet-type zinc smelting furnace |
| 04/02/2014 | CN103695653A Method of extracting noble metals on circuit board by wet process |
| 04/02/2014 | CN103695648A Method for separating lead-silver slag from ferroalumen slag in zinc hydrometallurgy |
| 04/02/2014 | CN103695646A Method for recovery of gold, silver and iron from gold smelting waste residue |
| 04/02/2014 | CN103695645A Device and method for the thermal treatment of products containing fluorine and precious metals |
| 04/02/2014 | CN103695644A Gold and silver leaching agent prepared from cyanate and method for recovering gold and silver by using leaching agent |
| 04/02/2014 | CN103695635A Method for treating high-iron and multi-metal zinc concentrate |
| 04/02/2014 | CN103074489B Processing method of refractory gold ore |
| 04/02/2014 | CN103031434B Refractory gold ore desulfurizing and dearsenifying method |
| 04/02/2014 | CN102925696B Comprehensive recycling method of waste plasma screen |
| 04/02/2014 | CN102899498B Method for leaching platinum metals from spent automobile exhaust catalyst |
| 04/02/2014 | CN102808084B Method for enriching platinum and palladium from pressurized cyanating solution |
| 04/02/2014 | CN102586615B Method for efficiently enriching valued metals from complicated sulfur- and lead-containing waste residue |
| 03/26/2014 | CN103668204A Process for deplating gold plated layer and recovering gold with cyanide-free gold stripping powder |
| 03/26/2014 | CN103667724A Method for recovering iraurita from iridium-containing zirconium dioxide sand |
| 03/26/2014 | CN103667707A Method of recovering gold and silver from a waste circuit board |
| 03/26/2014 | CN103667706A Separation and purification method of gold in gold platinum alloy waste |
| 03/26/2014 | CN103667695A Method for extracting arsenic from gold ore |
| 03/26/2014 | CN103658566A Method for producing silver ingot with low oxygen content |
| 03/26/2014 | CN102994771B Method for extracting palladium sponge from silver electrolysis anode slime parting liquid |
| 03/20/2014 | WO2014042131A1 Method for recovering gold |
| 03/19/2014 | EP2707517A1 Method for obtaining metals and rare earth metals from scrap |
| 03/19/2014 | CN203489713U Low-altitude environment-friendly device of rotary silver-smelting furnace |
| 03/19/2014 | CN103649348A Method for concentrating and recovering noble metals from printed circuit boards of discarded mobile phones and catalysts of discarded cars using discarded nonferrous slag |
| 03/19/2014 | CN102776368B Lead and zinc tailing recycling method |
| 03/18/2014 | US8673055 Improving the recovery of precious metals from recalcitrant refractory ore |
| 03/13/2014 | WO2014038236A1 Method for leaching gold from gold ore containing pyrite |
| 03/13/2014 | WO2014038048A1 Method for recovering precious metal from metal carrier catalyst |
| 03/12/2014 | EP2705168A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores |
| 03/12/2014 | CN103627907A Enrichment method of zirconium oxide carrying noble metal waste catalyst |
| 03/12/2014 | CN103627902A Method for recovering rhodium from inactive noble metal catalyst |
| 03/12/2014 | CN103627889A Preparation technology of efficient and stop loss noble metal product |
| 03/12/2014 | CN103627324A Preparation method of hydrogenated rosin without crystallization tendency |
| 03/12/2014 | CN102912143B Method for comprehensively treating indium-containing lead anode slime through whole wet process |
| 03/06/2014 | WO2014036261A1 Low-temperature dispersion-based syntheses of silver and silver products produced thereby |
| 03/06/2014 | WO2014036228A1 Solvent-free syntheses of silver and silver products produced thereby |
| 03/05/2014 | EP2701820A1 Process of precious metal recovery and color removal from an organosilicon product-containing liquid reaction medium |
| 03/05/2014 | CN103620064A A process of gold and copper recovery from mixed oxide-sulfide copper ores |
| 03/05/2014 | CN103619431A Process of precious metal recovery and color removal from an organosilicon product-containing liquid reaction medium |
| 03/05/2014 | CN103614556A Method for treating waste mobile phone circuit board and recovering precious metals |
| 03/05/2014 | CN102959103B Recovery method for high purity platinum |
| 03/04/2014 | US8663388 Method of manufacturing single crystal wire and other single crystal metallic articles |
| 02/27/2014 | US20140056786 Device and Method for the Thermal Treatment of Fluorine-Containing and Noble Metal-Containing Products |
| 02/27/2014 | US20140053687 Method of recovering pgm |
| 02/27/2014 | DE102012016420A1 Vorrichtung und Verfahren zur thermischen Behandlung Fluor-und Edelmetallhaltiger Produkte Apparatus and method for thermal treatment of fluorine-containing precious metals and products |
| 02/26/2014 | EP2700726A1 Device and method for the thermal treatment of products containing fluorine and precious metals |
| 02/26/2014 | CN203448106U Copper-separating reaction kettle |
| 02/26/2014 | CN103602825A Fluxing agent in precious metal pyrometallurgy |
| 02/26/2014 | CN103602811A Lossless automated carbon change system and control method |
| 02/26/2014 | CN103088222B Process for treating refractory gold ores |
| 02/26/2014 | CN102796873B Method for comprehensively recovering metallic cobalt, ruthenium and aluminum from Fischer-Tropsch synthesis dead catalyst Co-Ru/Al2O3 |
| 02/21/2014 | CA2824003A1 Device and method for thermal treatment of fluorine-containing and noble metal-containing products |
| 02/20/2014 | US20140047954 Method for thiosulfate leaching of precious metal-containing materials |
| 02/19/2014 | EP2697402A1 Process for providing noble metal-containing mixtures for recovering noble metals |
| 02/19/2014 | CN103589875A Method for extracting metal gold from gold-bearing ore |
| 02/19/2014 | CN103589873A Method for recovering valuable metals from silver-zinc slag |
| 02/19/2014 | CN103588676A Method for purifying interface layer in oxime synthesis section |
| 02/19/2014 | CN103586006A Method of aminopyridine modified resin for adsorbing rhodium octanoate dimer and metal ions |
| 02/19/2014 | CN102732735B Method for recovering valued metals from melting slag of copper anode slime Kaldo furnace |
| 02/19/2014 | CN102586617B Method for recovering gold from iodine-potassium iodide leachate |
| 02/12/2014 | CN203429232U Direct current electric arc device for smelting automobile exhaust catalyst |
| 02/12/2014 | CN103572067A Method for collecting gold by smelting low gold antimony ores in blast furnace |
| 02/12/2014 | CN103572066A Method for enriching platinum family elements from platinum family concentrate |
| 02/12/2014 | CN103572060A Method for recycling gold ions from water solution |
| 02/12/2014 | CN102815828B System for recycling gold and cyanides in cleaning solution in surface treatment wet process |
| 02/11/2014 | CA2706414C Method for processing pyritic concentrate containing gold, copper and arsenic |
| 02/05/2014 | CN103561861A Complex and uses thereof |
| 02/05/2014 | CN103555963A Method for treating cyaniding gold extraction waste liquid to recover gold, silver and copper by use of acid making waste gas |
| 02/05/2014 | CN103555962A Method for comprehensively recovering selenium, vanadium and silver from vanadium silver polymetallic ore containing selenium employing wet process |
| 02/05/2014 | CN103555957A Method for recovering high-purity metal palladium from organic waste palladium contained catalyst |
| 02/05/2014 | CN103555956A Method for recycling silver from COD (Chemical Oxygen Demand) Cr detection waste liquid |
| 02/05/2014 | CN103555949A Method for recovering gold from low concentration gold-containing wastewater under high salinity high chlorine system |
| 02/05/2014 | CN103555944A Method for removing impurity silver from palladium-containing material |
| 02/05/2014 | CN103555937A Platinum refining process based on two-stage sedimentation method |
| 02/05/2014 | CN103555933A Method for extracting molybdenum and nickel and enriching precious metals from nickel and molybdenum ores |
| 02/05/2014 | CN102449175B Metal recovery method using protonemata of moss plants |
| 01/30/2014 | US20140026715 Process for providing noble metal-containing mixtures for recovering noble metals |
| 01/30/2014 | US20140026713 Refining of platinum group metals concentrates |
| 01/29/2014 | CN203411590U Leaching plant for recycling precious metals in automobile exhaust gas catalysts |
| 01/29/2014 | CN103540760A Method for recovering ruthenium from waste ruthenium hydroxide/kieselguhr catalyst |
| 01/29/2014 | CN103540754A Pretreatment process before silver flotation of highly leached residues |
| 01/29/2014 | CN103540749A Method for recovering rhodium from rhodium octoate organic waste liquor |
| 01/28/2014 | US8636823 Silver ribbons, methods of their making and applications thereof |
| 01/28/2014 | CA2593474C Reduction of lime consumption when treating refractory gold ores or concentrates |
| 01/22/2014 | CN103534368A Method for obtaining metals and rare earth metals from scrap |
| 01/22/2014 | CN103526048A Method for separating lead and antimony from jamesonite |
| 01/22/2014 | CN103526044A Zinc hydrometallurgy process favorable for floatation silver and adopted precipitating silver mixture |
| 01/22/2014 | CN103526042A Method for extracting gold and silver from gold concentrate |
| 01/22/2014 | CN103526041A Method for reducing gold in chlorination selenium-dipping solution with reducing agent |
| 01/22/2014 | CN103526040A Process for removing base metals in platinum group metal containing material |
| 01/22/2014 | CN103526039A Method for preparing high purity rhodium trichloride by removing impurity from liquid phase digestion solution of waste rhodium catalyst |
| 01/22/2014 | CN103526034A Method for activating and leaching platinum group metals from automobile spent catalysts by wet method |
| 01/22/2014 | CN103526033A Method for dissolving platinum group metals in automobile spent catalyst enrichment |
| 01/22/2014 | CN103526023A Method for regenerating scrapped palladium extraction agent and recycling platinum group metal |
| 01/22/2014 | CN103526019A Method for comprehensive recycle of vanadium, selenium and silver from multi-metal associated vanadium ore |
| 01/22/2014 | CN103521504A Method for comprehensively recovering gold and zinc from high leaching residue and recycling wastewater |
| 01/22/2014 | CN103014368B Method for separating and recovering gold and copper from copper-bearing cyanide pregnant solution |