Patents for C22B 15 - Obtaining copper (5,364)
12/2011
12/28/2011CN101880775B 一种贫化铜镍精矿熔炼渣的方法 One kind of depleted copper nickel concentrate smelting slag method
12/28/2011CN101838742B 一种贫化铜和镍熔炼炉渣的方法 One kind of depleted copper and nickel smelting slag method
12/21/2011EP2024523B1 Chloride heap leaching
12/21/2011CN202081154U 氧气侧吹连续吹炼炉 Oxygen side-blown continuous converting furnace
12/21/2011CN102286664A 一种从有机硅化工废渣中萃取铜和回收萃取液的方法 A method of extracting copper from the organic silicon chemical waste and recycling in the extract
12/21/2011CN101921919B Comprehensive utilization process of molten copper slag and system thereof
12/21/2011CN101809175B 精矿喷嘴 Concentrate nozzle
12/21/2011CN101558176B 在堆摊生物浸析中的加速热量产生 In biological heap leaching of accelerated heat generation
12/21/2011CN101245414B 从红土矿提取金属的方法 The method of extracting metals from laterite
12/15/2011WO2011153924A1 Method for fire refining raw red copper by combining shaft furnace, copper transferring ladle and rotary furnace
12/15/2011US20110303051 Recovery of residual copper from heap leach residues
12/14/2011CN202072745U 一种用于紫杂铜火法精炼的组合炉系统 A recycled copper fire refining furnace system combination
12/14/2011CN101717863B 真空加热分离金属铜铅混合物的装置及方法 Vacuum apparatus and method of heating a mixture of copper and lead metal separation
12/14/2011CN101575673B 一种从低品位复杂混合铜钴矿中提取分离铜、钴镍的方法 An extraction and separation of copper, cobalt, nickel, copper complex mix of methods from low-grade cobalt ore
12/08/2011US20110298270 In situ ore leaching using freeze barriers
12/07/2011CN202063978U 一种从含锌废渣中湿法提取锌、镉和铜的设备 A wet extraction of zinc, cadmium, zinc and copper from slag equipment
12/07/2011CN102268558A 一种旋浮卷吸冶金工艺及其反应器 One kind of spin floating entrainment metallurgical processes and reactors
12/06/2011US8070851 Chloride heap leaching
12/06/2011US8070850 Process for liberating metals using direct production of leach grade acid solutions
12/01/2011WO2011147868A1 Cementation cell for the extraction of metals from a solution
12/01/2011WO2011147867A1 Hydrometallurgical reactor
12/01/2011WO2011147151A1 Method for non-cyanide recycling waste circuit board
11/2011
11/30/2011CN102260795A 一种用铜镍再生资源直接生产电解镍的方法 A renewable resource with direct production of electrolytic nickel-copper-nickel method
11/30/2011CN101824541B 一种湿法炼锌副产物的处理方法 Processing method hydrometallurgy byproducts
11/25/2011CA2740249A1 A process for separating copper and nickel from cobalt containing solutions
11/24/2011WO2011145688A1 Method for processing acidic solution that contains iodide ions and iron ions
11/23/2011EP2387624A2 Metal recovery process
11/23/2011CN202047116U Continuous oxygen-free copper degassing and casting device
11/23/2011CN202047115U Ore concentrate combustor
11/23/2011CN102251253A Method for extracting and separating nickel, iron and copper from electrolyte
11/23/2011CN102251244A Cyclic regeneration and copper extraction process for printed circuit board etching waste solution
11/23/2011CN102251112A Multicomponent compound salicylaldoxime copper extractant
11/23/2011CN101948954B Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting
11/23/2011CN101914681B Pollution-free method for treating copper, lead and silver-containing material
11/23/2011CN101886272B Method for extracting indium and preparing iron oxide by slag-free zinc hydrometallurgy of zinc concentrate
11/22/2011US8062614 Methods for improving the recovery of metal leaching agents
11/22/2011CA2476643C Process for the dissolution of copper metal
11/16/2011CN202039110U Spraying device for separating copper and tin of tinplated copper billet
11/16/2011CN202039109U Spraying and spinning-leaching device for tin-plating copper granule copper-tin separation
11/16/2011CN102242277A Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
11/16/2011CN102242268A Process for treating black copper slag through electrolytic method
11/16/2011CN102242266A Process for recovering cobalt, copper, zinc and manganese in manganese chloride residual liquid
11/16/2011CN101871050B Method for eliminating magnetic iron oxide furnace accretion produced in copper sulfide concentrate pyrometallurgical process
11/16/2011CN101395285B Process for the acid digestion of metal-containing compounds
11/15/2011CA2534623C Electric reducing furnace
11/15/2011CA2498855C Process of solvent extraction of copper
11/10/2011US20110274598 Sustainable recovery of metal compounds
11/09/2011EP1618219B1 Recovery of metal values from cermet
11/09/2011CN202028497U A spray gun and a multi-liquid spray gun device possessing the same
11/09/2011CN102234725A Continuous production technology for miscellaneous copper recycling and positive plate casting
11/09/2011CN102234722A Process for separating copper in nickel-cobalt-copper system by solvent extraction method
11/09/2011CN102234721A Treatment method of nickel-cobalt material
11/03/2011WO2011135991A1 Valuable metal recovery method
11/02/2011EP1812625B1 Process for multiple stage direct electrowinning of copper
11/02/2011EP1644542B1 Oxidative leach process
11/02/2011CN102230091A Oxygen-enriched bottom-blown matte smelting furnace and oxygen-enriched bottom-blown matte smelting technology
11/02/2011CN102230087A Method for recovering copper from lead smelting furnace slag
11/02/2011CN102230083A Method for separating copper from lead copper matte
11/02/2011CN101254948B Production of pure molybdenum oxide from low grade molybdenite concentrates
10/2011
10/27/2011WO2011132729A1 Method for producing crystalline iron arsenate starting material liquid from smoke and ash
10/26/2011CN101698904B Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof
10/19/2011EP2376665A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution
10/19/2011CN102220494A Method for separating palladium and copper from solution containing copper, cobalt and nickel by taking acylthiourea as extractant
10/19/2011CN102220482A Complex high-silicon copper-cobalt alloy alkaline pretreatment-normal pressure acid leaching process
10/18/2011CA2465509C Recovery of copper from chalcopyrite
10/12/2011EP2373822A2 System and method for wastewater treatment
10/12/2011EP2373821A2 System and method for wastewater treatment
10/12/2011CN102216477A Copper anode furnace and a method for operating the same
10/12/2011CN102212705A Combined furnace system for fire refining of red copper scrap
10/12/2011CN102212688A Application of 2-hydroxy-5-nonylacetophenone oxime (HNAO) in efficient extractant
10/12/2011CN102212687A Application of 2-hydroxy-5-nonylacetophenone oxime (HNAO) in novel efficient extractant
10/12/2011CN102212686A Demulsifying method in copper extraction process of ammonia-ammonium coupled leaching system
10/12/2011CN101760631B Process for smelting copper with infinity furnace
10/12/2011CN101643852B Heap-leaching method for separating copper and tin from tin-plated copper wires
10/06/2011WO2011122985A1 Line for extraction of brass, zinc oxide and copper oxide from slag
10/06/2011WO2011122984A1 Facility for extracting brass and oxides of zinc and copper from wastes
10/06/2011WO2011122983A1 Method for extracting brass and oxides of zinc and copper from slag
10/06/2011US20110243784 Method for recovering metal from target and method for manufacturing target
10/05/2011CN102206758A Method and equipment for wet extraction of zinc, cadmium and copper from zinc-containing waste residue
10/05/2011CN102206751A Method for continuously recovering copper from printed circuit boards by microbial metabolites under action of micro electric field
10/05/2011CN101845557B Shaft furnace, copper water bag and rotary furnace combined type fire refining process for raw red copper
10/04/2011US8029751 Reduction of lime consumption when treating refractory gold ores or concentrates
10/04/2011US8029598 Method for recovering metal values from refractory sulfide ore
09/2011
09/28/2011CN101812586B Method for replacing copper slag with high impurities and low grade to produce cuprous oxide
09/27/2011CA2649851C Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
09/27/2011CA2566596C Leaching process for copper concentrates
09/22/2011US20110229385 Method of leaching copper sulfide ore
09/21/2011CN102191382A Method for recovering cobalt, aluminum and copper from waste mobile phone batteries
09/21/2011CN102191379A Recovery method for cobalt contained in copper-containing solution
09/21/2011CN101812594B Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace
09/14/2011EP2171106B1 Method for ore enrichment by means of hydrophobic, solid surfaces
09/14/2011CN102181662A Method for smelting low-sulfur copper concentrate
09/14/2011CN102181661A Copper smelting device and process
09/14/2011CN102181660A Method of feeding fuel gas into the reaction shaft of a suspension smelting furnace and a concentrate burner
09/14/2011CN102181654A Method for recovering zinc, silver and copper from zinc leaching residue
09/14/2011CN102181644A Method for reclaiming rare noble metals from waste circuit board
09/14/2011CN102181636A Modified beta-diketone extracting agent
09/08/2011US20110217222 Process for the acid digestion of metal-containing compounds
09/07/2011CN102174674A Processing and recycling process for silicon slurry
09/07/2011CN101736154B Method for keeping biological activity in biological heap leaching process and improving leaching efficiency
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