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