Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 15 - Obtaining copper
Patents for C22B 15 - Obtaining copper (5,364)
10/2012
10/17/2012CN102732725A Method for circularly removing impurity chlorine in zinc sulfate solution by using cuprous salt
10/17/2012CN102230087B Method for recovering copper from lead smelting furnace slag
10/17/2012CN101942679B Method for preparing, pre-treating and dispersing superfine copper powder
10/16/2012US8287771 Method for producing silver particle powder
10/11/2012DE102009001219B4 Raffinationsverfahren für Rohkupfer mit einem Schwefelgehalt von 0,1 % Refining processes for raw copper with a sulfur content of 0.1%
10/10/2012CN102719677A Method for producing iron-copper alloy micropowder by treating copper smelting slag in oxidizing atmosphere kiln
10/10/2012CN102719676A Method for rapidly reducing copper slags to produce iron-copper alloys in kiln in reducing atmosphere
10/10/2012CN102021331B Processing method for comprehensively recovering high manganese asbolite
10/09/2012US8282857 Modification of copper/iron selectivity in copper solvent extraction systems
10/03/2012CN202465832U Refined copper solution cooling system
10/03/2012CN102703905A Process for comprehensively utilizing waste tin-stripping solution
10/03/2012CN102703728A Recovery treatment process of brass slag
10/03/2012CN102703701A Method for treating cupric oxide or zinc oxide ores by adopting agitation ammonia leaching and infiltration basin ammonia leaching in combination
10/03/2012CN102703700A Two-stage ammonia leaching-flow distributing extraction method for copper oxide ore
10/03/2012CN102703695A Method for comprehensively recovering iron and germanium from zinc calcine containing high iron and high indium
10/03/2012CN102703693A Method for enriching and recovering metal nickel, copper and cobalt from tailings of copper and nickel mines
10/03/2012CN102701263A Method for preparing copper sulfate in mode that stanniferous copper slag is leached in selective mode and free of evaporation
10/03/2012CN101896628B Method and arrangement for treating exhaust gases from a suspension smelting furnace
09/2012
09/27/2012DE112009001931T5 Verfahren zur Reinigung eines Materials, das ein Halbmetallelement oder ein Metallelement als Hauptkomponente enthält A process for the purification of a material containing a metalloid element or a metal element as a main component
09/26/2012CN102692125A Reverberatory furnace
09/26/2012CN102690959A Comprehensive utilization method of reverse flotation products of calcium and magnesium carbonates in mixed copper ores
09/26/2012CN102690958A Nickel-cobalt smelting furnace and nickel-cobalt smelting process
09/26/2012CN102690946A Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials
09/26/2012CN102061395B Smelting and separating method of noble lead
09/25/2012CA2633318C Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal
09/25/2012CA2480229C Process for extracting platinum group metals
09/20/2012US20120237393 Low Lead Alloy
09/20/2012US20120234137 Hydrometalurgical process and apparatus for recovering metals from waste material
09/19/2012CN202440544U Oxygen-free copper refining furnace
09/19/2012CN102676844A Method controlling spray gun of oxygen top-blown smelting furnace to descend
09/19/2012CN102676843A Method for controlling cooling of spray gun of oxygen top-blowing smelting furnace
09/19/2012CN102676842A Ignition control system for oxygen top-blown smelting furnace
09/19/2012CN102676841A Anti-oxidation process of copper rod smelting
09/19/2012CN102676840A Method for controlling start of smelting
09/19/2012CN102676839A Ignition control method for oxygen top-blowing melting furnace
09/19/2012CN102676832A Method for separating copper from lead through vacuum distillation of copper scum
09/19/2012CN102676822A Burning-free non-cyaniding method for treating waste printed circuit board
09/19/2012CN102676806A Method for reduction leaching of cobaltic materials by sulfur dioxide
09/19/2012CN102043412B Control method for supplying fuel oil and oxygen in smelting system
09/18/2012CA2651516C Chloride heap leaching
09/18/2012CA2522235C Method for obtaining pure copper
09/13/2012WO2012120982A1 COPPER OR COPPER ALLOY REDUCED IN α-RAY EMISSION, AND BONDING WIRE OBTAINED FROM COPPER OR COPPER ALLOY AS RAW MATERIAL
09/13/2012US20120227543 Continuous fire reduction of liquid copper
09/12/2012CN102660691A Copper-refining tilting furnace system and material feeding method thereof
09/12/2012CN102660690A Method for recovering valuable metal from zinc hydrometallurgy high acid leach residue
09/11/2012CA2530354C Method for producing concentrates
09/07/2012WO2012117163A1 Method for producing a copper product
09/05/2012CN102653824A Copper electrolysis barren solution demanganization method and continuous demanganization process and equipment
09/05/2012CN101705367B Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method
09/05/2012CN101579701B Preparation process of copper pipe material for electronic thermotubes
09/05/2012CN101463427B Method for recycling valuable metal from cobalt white alloy
08/2012
08/30/2012WO2012113263A1 Method for removing iron and aluminum from iron-based waste material containing high-value elements through natural oxidation
08/30/2012US20120219478 Methods Of Metal Extraction From Ammoniacal Solutions Using Oximes
08/30/2012US20120219476 Methods Of Metal Extraction Using Oximes
08/30/2012US20120219475 Compositions and Methods of Using a Ketoxime in a Metal Solvent Extraction Reagent
08/30/2012US20120219474 Metal Solvent Extraction Reagents And Use Thereof
08/30/2012DE102011012133A1 Method of separating lead from brass recycling circuit, involves subjecting brass recycling circuit to electrolytic copper refining in sulfuric acid, cementation by sodium hydroxide and zinc addition and electrolytic zinc recovery
08/29/2012EP2491153A1 Method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and a concentrate burner
08/29/2012EP2491152A1 Method of using a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner
08/29/2012EP2491151A1 Method of feeding fuel gas into the reaction shaft of a suspension smelting furnace and a concentrate burner
08/29/2012CN102650001A Scrap copper aluminum-removal complexing agent and method for producing same
08/29/2012CN102649998A Method for separating and enriching copper, cadmium and zinc in copper and cadmium sediment
08/29/2012CN102220494B Method for separating palladium and copper from solution containing copper, cobalt and nickel by taking acylthiourea as extractant
08/29/2012CN102002598B Method for recovering copper and cobalt from cobalt-containing copper converter slag
08/29/2012CN101994013B Copper scum smelting process
08/29/2012CN101831551B Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud
08/29/2012CN101638726B Method for harmlessly treating precipitation slag of acid production wastewater by using Ausmelt copper smelting furnace
08/28/2012CA2598571C Process and arrangement for extracting a metal from slag containing said metal
08/23/2012WO2012111690A1 Valuable metal recovery method
08/22/2012CN202387248U Novel box type extraction tank for industrial application
08/22/2012CN102643993A Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution
08/22/2012CN102643989A Method for purifying and deironing crystallites of iron vitriol of bioleaching liquid
08/22/2012CN102643988A Method for leaching metallic copper from waste printed circuit board by using ionic liquid
08/22/2012CN102643984A Integrated technique for hot aggregate conveying and high-temperature acid leaching in treatment process of complex polymetallic refractory gold concentrate
08/22/2012CN102643979A Switching method for first-stage peroxide-roasting at high temperature and second-stage underoxide-roasting at low temperature and equipment thereof
08/22/2012CN102011006B Method for performing vacuum separation and purification on coating-containing zinc alloy
08/22/2012CN101871051B New automatic spraying system for solid reducing agent
08/22/2012CN101665909B Method for preparing target material
08/15/2012EP2486161A1 Hydrometalurgical process and apparatus for recovering metals from waste material
08/15/2012EP2331717B1 Method for recycling of slag from copper production
08/15/2012EP1805336B1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
08/15/2012CN102634675A Method for treating copper-molybdenum mixed ores
08/15/2012CN102634672A Method for treating arsenic-containing waste copper slag
08/15/2012CN102634668A Roasting-free evaporation-free method for producing cupric sulfate from zinc hydrometallurgy acid-wash copper dross
08/15/2012CN102634665A Treatment method of waste copper cuttings
08/15/2012CN102634664A Treatment method of copper clad aluminum lead wire wastes
08/15/2012CN102634663A Enrichment and separation technology of low-grade material containing silver, lead, copper and bismuth
08/15/2012CN102634658A Leaching method for associated copper, molybdenum and nickel in coal mine containing scherbinaite
08/15/2012CN102634655A Chlorination leaching method of laterite sulfurized precipitate
08/15/2012CN101845556B Shaft furnace and rotary furnace combined type fire refining process for raw red copper
08/15/2012CN101629239B Processing method of third phase of copper extraction system
08/14/2012CA2519054C Recovery of metal values from cermet
08/14/2012CA2517693C Heap leach process using elemental sulphur to generate heat
08/08/2012CN102628107A Method for secondarily purifying copper through vacuum induction electron beam melting
08/08/2012CN102628103A Method for enriching valuable metal from mine tailing and smelting slag by fire method
08/08/2012CN101906537B Process for decomposing cobalt alloy
08/07/2012CA2454854C Method of recovering sulfur from leaching residue under atmospheric pressure
08/07/2012CA2382618C Improved bacterial oxidation of sulphide ores and concentrates
08/02/2012WO2012078020A3 Method for leaching copper and silver contained in refractory mineral phase ores containing iron and sulphur
08/01/2012CN202357476U Waste copper material extrusion device
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