| Patents for C22B 15 - Obtaining copper (5,364) |
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| 10/19/2010 | US7815706 from spent petrochemical type catalyst, spent vehicle exhaust gas purification catalyst, and spent electronic circuit boards or lead frames; melting with flux components and reducing agent and copper oxide; sinking molten metal of primarily metallic copper below a molten slag layer of primarily oxides |
| 10/14/2010 | WO2010117321A1 Method of refining copper bullion comprising antimony and/or arsenic |
| 10/14/2010 | CA2756917A1 Method of refining copper bullion comprising antimony and/or arsenic |
| 10/13/2010 | CN201605305U 印制电路板蚀刻废液资源化处理装置 Printed circuit board etching waste resource processing device |
| 10/13/2010 | CN101857923A Method for recovering copper, zinc and iron from sulphide ore calcine pickle liquor containing gold and silver |
| 10/13/2010 | CN101857917A Method of classified leaching of oxidized ore with abundant mud |
| 10/13/2010 | CN101358813B Discharging device for blast furnace |
| 10/13/2010 | CN101358807B Blast furnace |
| 10/13/2010 | CN101225476B Process for reclaiming copper from lead copper matte |
| 10/12/2010 | US7811534 leaching copper minerals such as chalcopyrite, bornite, digenite and gangue minerals, in the presence of iron sulfide, to obtain copper sulfide, then smelting to form copper; removal of impurities by floatation |
| 10/12/2010 | CA2557849C Selective reduction of cupriferous calcine |
| 10/07/2010 | DE10362190B4 Verfahren zur Bearbeitung von Kabeln A method for processing cables |
| 10/06/2010 | CN101855374A High temperature leaching process |
| 10/06/2010 | CN101851704A Method and system of dry processing of converter slag in copper smelting |
| 10/06/2010 | CN101049933B Method for preparing metallic and nonmetallic Nano granules through hydrolysis method for compound containing magnesium |
| 10/05/2010 | CA2464398C A method for purifying the solution in the hydrometallurgical processing of copper |
| 09/30/2010 | WO2010109078A1 Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper |
| 09/30/2010 | US20100242683 Process for treating exhaust gas generated during water-granulation of slag and system for said treatment |
| 09/30/2010 | US20100242682 Method and system of dry processing of converter slag in copper smelting |
| 09/30/2010 | US20100242681 Method for concentration of gold in copper sulfide minerals |
| 09/30/2010 | US20100242676 Recovery of residues containing copper and other valuable metals |
| 09/30/2010 | CA2755129A1 Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper |
| 09/29/2010 | CN101845557A Shaft furnace, copper water bag and rotary furnace combined type fire refining process for raw red copper |
| 09/29/2010 | CN101845556A Shaft furnace and rotary furnace combined type fire refining process for raw red copper |
| 09/29/2010 | CN101845555A Method for producing white matte by mixed smelting of scrap copper and copper concentrate |
| 09/29/2010 | CN101845554A Method for melting copper by using waste copper and concentrate of copper sulfide as raw materials |
| 09/22/2010 | CN201587970U Moving device for movable flow groove of tilting furnace |
| 09/22/2010 | CN201587968U Device for processing lead bullion and lead copper matte produced by decoppering slag by adopting bottom-blowing molten pool for smelting |
| 09/22/2010 | CN201587966U Device for recycling high-purity copper oxide from copper bearing sludge resources |
| 09/22/2010 | CN101842503A Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores |
| 09/22/2010 | CN101839633A Electrothermal copper-smelting slag depleted furnace body |
| 09/22/2010 | CN101838742A Method for depleting copper and nickel smelting slag |
| 09/22/2010 | CN101838739A Electrothermal impoverishment process for copper smelting slag |
| 09/21/2010 | US7799295 Ore leach method with aqueous sulfuric acid containing ferric ions |
| 09/21/2010 | US7799294 Clarifying a first aqueous leach pulp by solid-liquid separation and solvent extraction to obtain a raffinate and a second aqueous leach pulp; diluted separation and extraction of the second pulp; pollution control |
| 09/21/2010 | CA2429691C Bioproduct production |
| 09/15/2010 | CN201578895U Filter press capable of drying newly generated copper powder |
| 09/15/2010 | CN101831559A Flotation and metallurgy method of high-bonding-ratio carbonate gangue-type oxygen-sulfur mixed copper ore |
| 09/15/2010 | CN101831553A Method for green recovery of waste circuit boards by cyanide-free full-wet whole set process |
| 09/15/2010 | CN101831551A Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
| 09/15/2010 | CN101831542A Method for extracting metallic elements of ferrum, magnesium and calcium from molybdenum milltailings |
| 09/14/2010 | US7794677 Reduction of copper content in the molybdenite concentrate |
| 09/14/2010 | CA2353225C Process for extraction of metals |
| 09/10/2010 | WO2010082065A3 Metal recovery from metallurgical waste by chloridising |
| 09/09/2010 | US20100226838 Process for the removal of catalyst degradation products |
| 09/09/2010 | US20100226837 Production of metal products directly from underground ore deposits |
| 09/08/2010 | EP2226138A1 Method of regulating composition of molten metal during continuous casting and apparatus therefor |
| 09/08/2010 | CN101824542A Comprehensive utilization method of titanium dioxide waste acid by sulfuric acid process |
| 09/08/2010 | CN101824541A Treatment method of wet method zinc smelting by-products |
| 09/08/2010 | CN101824539A Wet metallurgy method for decomposing hard alloy |
| 09/07/2010 | US7789936 Methods and systems for removing copper from ferrous scrap |
| 09/07/2010 | US7789332 Method for controlling oxygen when separating minerals from a slurry |
| 09/07/2010 | CA2512655C Anti-oxidation method for sulfide minerals in sulfide ore |
| 09/01/2010 | EP2224023A1 Slag for electroslag remelting of coppoer alloys and process for manufacturing copper alloy products |
| 09/01/2010 | EP2224022A1 Improved bacterial oxidation of sulphide ores and concentrates |
| 09/01/2010 | EP2223754A1 Process for manufacturing copper alloy products and equipment therefor |
| 09/01/2010 | CN1957098B Process for copper converting |
| 09/01/2010 | CN101821202A Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 09/01/2010 | CN101818250A Method for processing cobalt-copper-iron alloy |
| 08/31/2010 | US7785395 particularly arsenopyrite and/or pyrite; hydrometallurgy; leaching; separating Elemental sulfur and precipitated iron and arsenic compds; free gold that remains undissolved is separated by gravity separation; sulfide minerals are decomposed, gold-containing solution is routed to concentrate leach circuit |
| 08/25/2010 | CN201561646U Copper-nickel ore smelting furnace |
| 08/25/2010 | CN101812598A Method for simultaneously smelting zinc dipping slag and zinc kiln slag by using blast furnace |
| 08/25/2010 | CN101812594A Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace |
| 08/25/2010 | CN101812591A Method for recovering gold, copper, copper sulfate and copper chloride waste liquid of waste circuit board |
| 08/25/2010 | CN101812586A Method for replacing copper slag with high impurities and low grade to produce cuprous oxide |
| 08/25/2010 | CN101812585A Microbubble oxidization and acid dissolution method for copper-cobalt alloy |
| 08/19/2010 | US20100206135 Recycling of solids in oxidative pressure leaching of metals using halide ions |
| 08/18/2010 | CN101809175A Concentrate burner |
| 08/18/2010 | CN101457300B Device and method for continuous refining waste purple impure copper |
| 08/17/2010 | US7776133 flux composed of silica ore and non-ferrous metal-ore raw-material are charged into furnace via conveying system, in which flux is crushed in ball mill and dried while hot air is blown |
| 08/12/2010 | US20100199808 Method for recovering metal values from refractory sulfide ore |
| 08/11/2010 | EP2215276A1 High temperature leaching process |
| 08/11/2010 | CN201543331U Smelting purification diluted-acid recycling system |
| 08/11/2010 | CN101798639A Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 08/11/2010 | CN101798629A Method for separating valuable metals from lead anode mud |
| 08/11/2010 | CN101451196B Wet-smelting method of copper and zinc bulk concentrate |
| 08/11/2010 | CN101314819B Non-oxidation non-reduction fire refining process for copper |
| 08/04/2010 | CN101796204A Method for upgrading copper concentrate |
| 08/04/2010 | CN101792864A Hyperbaric oxygen acid leaching process for cogenerating calcium sulfate whiskers from copper-sulphide ores |
| 07/28/2010 | CN201535614U 一种贫铜镍熔炼炉渣的电炉 One kind of poor copper-nickel smelting furnace slag |
| 07/22/2010 | WO2010082065A2 Metal recovery process |
| 07/22/2010 | WO2010009481A3 A method of treating a sulphide mineral |
| 07/22/2010 | US20100180729 Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals |
| 07/22/2010 | CA2749907A1 Metal recovery process |
| 07/21/2010 | EP1289637B1 Polysulfonamide matrices |
| 07/21/2010 | CN101781705A Method for microorganism-pelleting heap leaching of earthy oxide copper ores |
| 07/21/2010 | CN101323905B Fire metallurgy process of copper lead zinc mixing ore concentrate |
| 07/20/2010 | US7757977 Method for comminution of material |
| 07/20/2010 | CA2470478C High temperature pressure oxidation of ores and ore concentrates containing silver using controlled precipitation of sulfate species |
| 07/20/2010 | CA2337668C Method for manufacturing low-oxygen copper |
| 07/15/2010 | US20100175509 Method of processing copper arsenic compound |
| 07/15/2010 | DE102009001219A1 Anodisches Raffinationsverfahren für Rohkupfer mit hohem Schwefelgehalt Anodic refining process for high sulfur crude copper |
| 07/14/2010 | CN101778957A Method for ore enrichment by means of hydrophobic, solid surfaces |
| 07/14/2010 | CN101775502A Process for extracting copper from zinc hydrometallurgy flow |
| 07/14/2010 | CN101417284B Recovery method of waste circuit board value resource |
| 07/13/2010 | CA2468528C Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 07/08/2010 | WO2010076030A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution |
| 07/07/2010 | CN201520793U NPT ammonia leached copper device |
| 07/07/2010 | CN101768669A Method for processing cobalt-copper alloy at room temperature |
| 07/06/2010 | US7749302 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |