| Patents for C22B 15 - Obtaining copper (5,364) |
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| 07/06/2010 | US7749301 adding the Cu2S matte and flux to a calcium iron silicate agitated slag phase; injecting, from a discharge tip at the lower end of a top-submerged lance, an oxidizing gas for reacting with the matte to produce blister copper; calcium ferrite silicate have lower solubility for magnetite; no foaming |
| 07/06/2010 | CA2426078C Cooling element |
| 07/01/2010 | US20100166626 System and method for wastewater treatment |
| 06/30/2010 | EP2201145A1 Controlled copper leach recovery circuit |
| 06/30/2010 | CN101760631A Process for smelting copper with infinity furnace |
| 06/30/2010 | CN101760630A Method for recovering copper from copper sulfate solution |
| 06/30/2010 | CN101760615A Leaching method of copper-containing ore |
| 06/29/2010 | CA2355443C Method of smelting copper sulfide concentrate |
| 06/24/2010 | US20100154595 Anode Refinement Method for High-sulfur Content Coarse Copper |
| 06/23/2010 | EP2198063A1 Concentrate burner |
| 06/23/2010 | CN201514113U On-ferrous metal double-chamber oxygen side-blown furnace |
| 06/23/2010 | CN101748287A Reducing medium used in copper refining process |
| 06/23/2010 | CN101298639B Comprehensive utilization process of malachite ore |
| 06/16/2010 | EP2195470A1 System and method for extracting base metal values from oxide ores |
| 06/16/2010 | CN101736161A Method for comprehensively recovering tin smelting secondary raw materials by melting in DC furnace |
| 06/16/2010 | CN101736158A Copper extracting agent |
| 06/16/2010 | CN101736157A Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid |
| 06/16/2010 | CN101736154A Method for keeping biological activity in biological heap leaching process and improving leaching efficiency |
| 06/16/2010 | CN101736152A Acid washed ore leaching process for low-grade copper oxide ores with high mud content |
| 06/16/2010 | CN101358286B Method for treating copper scum using converter |
| 06/16/2010 | CN101238343B Method and device for extracting a metal from a slag containing the metal |
| 06/15/2010 | US7736606 Process for the recovery of value metals from base metal sulfide ores |
| 06/10/2010 | WO2010064149A2 System and method for wastewater treatment |
| 06/10/2010 | WO2010064143A2 System and method for wastewater treatment |
| 06/10/2010 | US20100143781 Methods for the preparation and purification of electrolytes for redox flow batteries |
| 06/10/2010 | CA2744994A1 System and method for wastewater treatment |
| 06/10/2010 | CA2744907A1 System and method for wastewater treatment |
| 06/09/2010 | CN101724749A Method for comprehensively treating copper oxide ore with high contents of mud, iron, calcium and magnesium |
| 06/09/2010 | CN101723713A Overall treatment method of steel works sintering dust |
| 06/09/2010 | CN101121963B Method of recovering platinum group element and apparatus therefor |
| 06/08/2010 | US7731920 extraction; leaching; cation exchange resins; for recycling photovoltaic devices |
| 06/08/2010 | US7731777 hydrometallurgical method for separating the precious metals and impurities from copper electrolysis; purification by leaching, calcination, oxidation, sulfation, reduction or by extraction |
| 06/02/2010 | CN201497342U Furnace body of electrically heated dilution furnace for smelted copper slag |
| 06/02/2010 | CN201497340U Electrically heated dilution furnace for smelted copper slag |
| 06/02/2010 | CN1938436B Recovery of metals from oxidised metalliferous materials |
| 06/02/2010 | CN101717863A Device and method for separating metallic copper and lead mixture through vacuum heating |
| 06/02/2010 | CN101717862A Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy |
| 06/02/2010 | CN101328542B Method for directly preparing copper sulfate and cathode copper from copper ore concentrate |
| 06/02/2010 | CN101328536B Process for comprehensive recovery of nickel, copper, cobalt, sulfur and magnesium from ore |
| 06/02/2010 | CN101186969B Method for separating rare earth, iron, copper, cobalt and tungsten from alloy |
| 06/01/2010 | US7727931 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition |
| 06/01/2010 | CA2468855C Process for the treatment of molybdenum concentrate |
| 05/27/2010 | WO2010057329A1 Sonoelectrochemical processing of metal sulphide concentrates |
| 05/27/2010 | US20100126314 High temperature heap bioleaching process |
| 05/26/2010 | CN1754971B Batchwise working-up recycling materials in a rotatable reactor |
| 05/25/2010 | US7722840 Method for thiosulfate leaching of precious metal-containing materials |
| 05/25/2010 | CA2520039C Precious metal recovery using thiocyanate lixiviant |
| 05/25/2010 | CA2395995C Method for the production of blister copper in suspension reactor |
| 05/19/2010 | CN101082084B Technique for reclaiming smelting refined bismuth from bismuth slag |
| 05/19/2010 | CN101082083B Fine copper smelting and deoxidizing method |
| 05/12/2010 | CN201463530U Copper melting pot device |
| 05/12/2010 | CN1940099B Process for treatment of waste materials and/or slime containing copper and precious metal |
| 05/12/2010 | CN1633438B Process for the dissolution of copper metal |
| 05/12/2010 | CN101705369A Process and device for smelting copper by pulsation vortex method |
| 05/12/2010 | CN101705368A Process and device for treating decopperized slag by adopting bottom-blowing molten pool to produce wet lead and raw copper |
| 05/12/2010 | CN101705367A Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method |
| 05/12/2010 | CN101705360A Copper-smelting thermal slag iron-extracting process and device |
| 05/12/2010 | CN101191153B Pyrite selectivity inhibition technique for secondary copper sulfide mineral biological lixiviation process |
| 05/11/2010 | CA2348436C Sulfatisation process for metal extraction from sulfide ores |
| 05/06/2010 | WO2010050462A1 Method of separating arsenic mineral from copper-containing substance with high arsenic content |
| 05/06/2010 | US20100107820 Method for drying copper sulfide concentrates |
| 05/05/2010 | CN101701294A Recovery technology of copper in waste slag of fuming furnace |
| 05/04/2010 | CA2573936C Optimization of bioleaching process |
| 04/28/2010 | EP2179967A1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 04/28/2010 | CN101698904A Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof |
| 04/21/2010 | EP2177477A1 Method of treating arsenical matter with alkali |
| 04/21/2010 | EP2177279A1 Method of recovering valuable materials from waste household electrical appliance |
| 04/21/2010 | CN1788094B Recovery of metal values from cermet |
| 04/21/2010 | CN101696469A Method for separating multi-element alloy of lead, bismuth, gold, silver and copper |
| 04/21/2010 | CN101328537B Process for comprehensive recovery nickel, copper, cobalt, sulfur and magnesium from high magnesium and nickle ore concentrate |
| 04/14/2010 | EP2174914A1 Method of treating diarsenic trioxide |
| 04/14/2010 | EP2174913A1 Method of treating nonferrous smelting intermediary product containing arsenic |
| 04/14/2010 | EP2174912A1 Method of treating copper-arsenic compound |
| 04/14/2010 | CN201437152U Copper slag packet |
| 04/14/2010 | CN101693951A Method for extracting copper from waste circuit boards |
| 04/14/2010 | CN101381825B Environment friendly free-cutting bronze alloy processing technique |
| 04/08/2010 | WO2010037169A1 Process for extraction of mined material |
| 04/07/2010 | EP2171106A1 Method for ore enrichment by means of hydrophobic, solid surfaces |
| 04/06/2010 | CA2522336C Method for processing sulfide minerals and concentrates |
| 04/01/2010 | WO2010034085A1 Method for recycling of slag from copper production |
| 03/30/2010 | US7686866 Leaching, oxidation and reduction steps |
| 03/25/2010 | US20100071510 Method for obtaining copper from cupriferous arsenosulphide and/or antimony sulphide ores or ore concentrates |
| 03/24/2010 | CN100595970C Method for selective decoppering of waste lithium ion battery |
| 03/23/2010 | US7682581 removal of Cu from a concentrated chloride-containing ZnSO4 raw solution that is going to an electrolytic preparation of zinc, using chelating alkyl-silylated silica-based ion exchanger having polyamine group, comprising routing raws solution to an ion exchange stage; purifying copper free raw solution |
| 03/23/2010 | US7682419 Hydrometallurgical process for the most complete metal extraction while preventing elementary sulfur formation; sulfide minerals oxidation in aqueous slurry using nitrogen oxides under controlled acidity; sulfuric acid formed neutralized constantly by calcium/magnesium salts |
| 03/17/2010 | CN101671777A Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 03/17/2010 | CN100594091C Hypoxia copper rod production technology |
| 03/16/2010 | US7678172 Microwave treatment of ores |
| 03/11/2010 | WO2010025940A1 Copper anode furnace and a method for operating the same |
| 03/11/2010 | US20100058894 Methods and systems for leaching a metal-bearing ore for the recovery of a metal value |
| 03/11/2010 | CA2736140A1 Copper anode furnace and a method for operating the same |
| 03/10/2010 | EP2160480A1 Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 03/10/2010 | CN101665878A Method of smelting copper |
| 03/10/2010 | CN101665877A Method of smelting copper |
| 03/09/2010 | CA2588257C Process for multiple stage direct electrowinning of copper |
| 03/09/2010 | CA2464425C Arrangement and method for tapping a molten phase from a smelting furnace |
| 03/04/2010 | WO2010025096A1 Methods and systems for leaching a metal-bearing ore for the recovery of a metal value |
| 03/04/2010 | US20100050813 Method of smelting copper |
| 03/03/2010 | CN101660058A Salinization treatment process for smoke dust of flash furnace and device thereof |
| 03/02/2010 | CA2481332C Process for the treatment or removal of impurities in a hydrometallurgical extraction process |