| Patents for C22B 15 - Obtaining copper (5,364) |
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| 09/07/2011 | CN101537388B Separation method for bismuth-molybdenum-copper-sulfide mixed concentrate |
| 09/07/2011 | CN101435024B Raw copper air refining process based on mathematical model |
| 09/07/2011 | CN101435022B Novel process for controlling formation of third phase in copper sulphide ore bioleaching liquid extraction process |
| 09/06/2011 | CA2449165C Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 08/31/2011 | CN102168180A Upcast method for producing high-purity bright copper rod |
| 08/31/2011 | CN102168179A Technology for producing Au and Ag from precious Pb by vacuum distillation |
| 08/31/2011 | CN101724749B Method for comprehensively treating copper oxide ore with high contents of mud, iron, calcium and magnesium |
| 08/30/2011 | US8007563 Waterjet removal of coverings from cables |
| 08/25/2011 | WO2011103132A1 Copper anode refining system and method |
| 08/25/2011 | CA2789755A1 Copper anode refining system and method |
| 08/24/2011 | CN102165079A A method of treating a sulphide mineral |
| 08/24/2011 | CN102162037A Method for depleting refining slag of copper |
| 08/24/2011 | CN102162034A Process for recovering valuable metals from waste lithium batteries |
| 08/23/2011 | US8003066 Method for scrubbing amine-type extractant |
| 08/23/2011 | CA2522567C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants |
| 08/18/2011 | WO2011100457A1 Ion exchange cobalt recovery |
| 08/18/2011 | WO2011100442A1 Cobalt recovery |
| 08/17/2011 | CN201933131U 半氧化矿富氧侧吹熔炼炉 Semi-oxidized ore smelting furnace blowing oxygen-rich side |
| 08/17/2011 | CN102154553A Method for removing iron and aluminum by autoxidation of iron-based waste material containing high-value elements |
| 08/17/2011 | CN102151689A Laminate composite scrap thermal modification treatment equipment and method |
| 08/17/2011 | CN101736157B Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid |
| 08/17/2011 | CN101736152B Acid washed ore leaching process for low-grade copper oxide ores with high mud content |
| 08/17/2011 | CN101631881B Method to enhance clarification in a mixing reactor and said mixing reactor |
| 08/11/2011 | WO2011096479A1 Method for separating arsenic mineral from copper material with high arsenic content |
| 08/10/2011 | CN201926310U 一种用于氧气侧吹炉的炉身密封补偿装置 Furnace body sealing apparatus for compensating side-blown oxygen furnace |
| 08/10/2011 | CN1678763B Solvent extraction process |
| 08/10/2011 | CN102146521A Method for reducing stannum content of liquid copper in shaft furnace for regenerating and refining recycled copper |
| 08/10/2011 | CN102146520A Semi-oxidized ore oxygen rich side blowing smelting furnace |
| 08/10/2011 | CN101519731B Method for extracting high arsenic complicated golden ore concentrate multielement |
| 08/09/2011 | US7993467 Apparatus for removing matte-sticking and method for using the apparatus |
| 08/03/2011 | CN102140584A Method for deoxidizing copper solution |
| 08/03/2011 | CN102140581A Process method for producing copper sulfate by using copper scale at normal temperature and normal pressure |
| 08/03/2011 | CN102140579A Low-temperature immersed melting process method for secondary aluminum |
| 08/03/2011 | CN101871044B Processing method of high secondary cement copper mixed ores and minerals |
| 08/03/2011 | CN101781705B Method for microorganism-pelleting heap leaching of earthy oxide copper ores |
| 08/03/2011 | CN101565776B Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 08/02/2011 | CA2565643C Operation method of copper smelting |
| 07/28/2011 | WO2011091231A1 Hydrometallurgical process and method for recovering metals |
| 07/28/2011 | WO2011090102A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 07/28/2011 | CA2787515A1 Hydrometallurgical process and method for recovering metals |
| 07/27/2011 | CN201908122U Circular rotary type copper scrap refining furnace provided with pure oxygen burning machine |
| 07/27/2011 | CN102134653A Separation-smelting combined process for treating difficultly separated copper-containing gold sulfide ores |
| 07/20/2011 | CN102127643A Spraying method and device for separating copper from tin in tin-plated copper block |
| 07/20/2011 | CN101705360B Copper-smelting thermal slag iron-extracting process and device |
| 07/20/2011 | CN101639326B Smelting furnace |
| 07/14/2011 | US20110167961 Method for purifying material containing metalloid element or metal element as main component |
| 07/13/2011 | EP2002024B1 Method and equipment for treating process gas |
| 07/13/2011 | CN102121067A Nuisanceless oredressing additive as well as preparation method and application thereof |
| 07/13/2011 | CN101384736B Method for recovering copper from a copper sulphide ore |
| 07/07/2011 | US20110163447 High-Purity Copper or High-Purity Copper Alloy Sputtering Target, Process for Manufacturing the Sputtering Target, and High-Purity Copper or High-Purity Copper Alloy Sputtered Film |
| 07/06/2011 | CN201892434U Flue gas residual heat recovery boiler for copper smelting reverberatory furnace |
| 07/06/2011 | CN201890911U Refining system for red impure copper and reclaimed blister copper |
| 07/06/2011 | CN102119122A Method for purifying material containing metalloid element or metal element as main component |
| 07/06/2011 | CN102115890A Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 07/06/2011 | CN101545054B Method for recovering nickel, copper and cobalt from a nickel, copper and cobalt smelting waste slag |
| 06/29/2011 | EP2339278A1 Device for enrichment of copper or nickel |
| 06/29/2011 | CN102108447A Technology for removing iron and arsenic from leaching solution of purification slag generated in zinc hydrometallurgy |
| 06/29/2011 | CN102108446A Method for non-furnace extraction of copper from coal gangue |
| 06/29/2011 | CN102108442A Method for extracting copper from waste circuit boards |
| 06/28/2011 | US7968065 Process for the recovery of value metals from base metal sulfide ores |
| 06/23/2011 | WO2011074948A1 Hydrometalurgical process and apparatus for recovering metals from waste material |
| 06/23/2011 | WO2011001245A3 A process for the recovery of tellurium from minerals and/or acidic solutions |
| 06/22/2011 | CN201873726U Device for separating and recovering copper and nickel of faded plating solution |
| 06/22/2011 | CN101586189B Leaching method for anode material of waste LiCoO battery |
| 06/22/2011 | CN101199988B Ultrahigh pure copper ingot preparing process |
| 06/16/2011 | WO2011070239A1 Arrangement for evening out powdery solid matter feed of a concentrate burner of a suspension smelting or suspension converting furnace |
| 06/16/2011 | US20110142736 Process of recovery of base metals from oxide ores |
| 06/16/2011 | US20110142735 Method for separating radioactive copper using chelating-ion exchange resin |
| 06/16/2011 | US20110138966 Method of detinning Sn plating layer on Cu-based material |
| 06/16/2011 | CA2780456A1 Arrangement for evening out powdery solid matter feed of a concentrate burner of a suspension smelting or suspension converting furnace |
| 06/15/2011 | EP2331717A1 Method for recycling of slag from copper production |
| 06/15/2011 | EP1827699B1 Method to design a pneumatic flotation column |
| 06/15/2011 | CN1668769B Microwave treatment of ores |
| 06/15/2011 | CN101665877B Method of smelting copper |
| 06/14/2011 | CA2431480C Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 06/09/2011 | DE102004049234B4 Verfahren zur Gewinnung von reinem Kupfer A process for the recovery of pure copper |
| 06/08/2011 | CN101798639B Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 06/08/2011 | CN101717862B Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy |
| 06/08/2011 | CN101570372B Method for purifying electroplating wastewater and comprehensively utilizing resources |
| 06/07/2011 | US7955409 Method of smelting copper |
| 06/01/2011 | CN201850297U Cooling device for non-blast furnace copper smelting |
| 06/01/2011 | CN101545051B Method for recovering copper from a copper smelting waste slag |
| 06/01/2011 | CN101189351B Method for reducing and/or refining a metal-containing slag |
| 05/25/2011 | CN201842880U Impure red copper and recycled blister copper refining system |
| 05/25/2011 | CN201842879U Concentrate ore burner |
| 05/25/2011 | CN102071312A Method for preparing electrolytic copper foil by utilizing copper-containing metal powder in waste printed circuit board |
| 05/24/2011 | US7947108 Precious metal recovery using thiocyanate lixiviant |
| 05/24/2011 | CA2487743C Microwave treatment of ores |
| 05/19/2011 | WO2011001246A3 A process for the recovery of selenium from minerals and/or acidic solutions |
| 05/19/2011 | US20110113928 Leaching ores |
| 05/18/2011 | CN201834958U Copper recycling device for leftover material of copper-clad plate |
| 05/18/2011 | CN102066589A Iron precipitation |
| 05/18/2011 | CN102061396A Method and device for smelting recycled copper in reverberator |
| 05/18/2011 | CN102061395A Smelting and separating method of noble lead |
| 05/18/2011 | CN102061389A Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge |
| 05/18/2011 | CN102061385A Defoaming method for bio-metallurgical stirred reactor |
| 05/18/2011 | CN102061383A Selective copper removing method for high-copper gold loaded carbon |
| 05/18/2011 | CN101338373B Method for producing smelting copper-cobalt oxidation ore by blast furnace |
| 05/11/2011 | EP2318559A1 Copper anode furnace and a method for operating the same |
| 05/11/2011 | EP1984531B1 Method for recovering gold by halide leaching |