Patents for C22B 15 - Obtaining copper (5,364)
02/2010
02/24/2010CN101654744A Reverberatory furnace pyrorefining method of crude copper with high arsenic and antimony
02/23/2010US7666371 Method for recovering metal values from metal-containing materials using high temperature pressure leaching
02/18/2010WO2010019063A1 Molybdenum process of identifying the collective concentrate cu-mo
02/18/2010WO2010018815A1 Method for purifying material containing metalloid element or metal element as main component
02/18/2010WO2009153409A4 Method for leaching nickel matte in the presence of added copper
02/18/2010CA2733647A1 Method for purifying material containing metalloid element or metal element as main component
02/17/2010CN201406391Y Preparation system for N-910 copper extractant
02/11/2010US20100031779 Process for recovery of copper from copper-containing chloride media
02/11/2010CA2648252A1 Process for recovery of copper from copper-containing chloride media
02/10/2010CN101643857A Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc
02/04/2010US20100024601 Method for obtaining copper and precious metals from copper-iron sulphide ores or ore concentrates
01/2010
01/28/2010US20100018351 Recycling of solids in oxidative pressure leaching of metals using halide ions
01/28/2010US20100018349 Method of leaching copper sulfide ore with the use of iodine
01/27/2010CN100585314C Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace
01/26/2010US7651545 Anhydrous agglomeration and passivation of pulverulent residue and/or fines from the production of chloromethylsilane silicon and methyl chloride using acopper catalyst in a fluidized bed; mixing witrh a binder (bentonite, aluminum silicate) to form solid by compression molding; materials handling
01/21/2010WO2010009481A2 A method of treating a sulphide mineral
01/21/2010CA2728924A1 A method of treating a sulphide mineral
01/20/2010CN101631881A Method to enhance clarification in a mixing reactor and said mixing reactor
01/20/2010CN100582262C Copper flash smelting operation parameter optimization method
01/14/2010US20100007068 Apparatus for precipitation/separation of excess copper in lead-free solder
01/13/2010CN100580111C Slag splashing furnace-protecting method for nickel-copper smelting converter
01/13/2010CN100580110C Wet-process metallurgy method for extracting copper from waste composition brass melting furnace slag
01/12/2010CA2307500C Method for removing contaminants from process streams in metal recovery processes
01/07/2010WO2010001728A1 Method for separating radioactive copper using chelate exchange resin
01/06/2010CN100577829C Floating smelting and immersed air refining integrated continuous copper smelting method and device
12/2009
12/30/2009WO2009155651A1 Iron precipitation
12/29/2009CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction
12/23/2009WO2009153409A1 Method for leaching nickel matte in the presence of added copper
12/23/2009CN101608258A Method for industrially extracting cobalt, copper and iron by taking cobalt-copper alloy as raw material
12/23/2009CN100572573C Method for recycling copper from clean melt cinder of wet-process zinc metallurgy
12/23/2009CA2728519A1 Method for leaching nickel matte in the presence of added copper
12/22/2009US7635407 Exothermic pressure leach autoclave circuits
12/16/2009CN101603127A Method for diluting copper and nickel smelting slag
12/16/2009CN100569968C Production method for high-purity copper and low-oxygen bright copper rod
12/15/2009CA2507673C Batchwise working-up recycling materials in a rotatable reactor
12/09/2009CN201358288Y Waste lead storage battery and copper dross hot air sealing short kiln smelting equipment
12/09/2009CN101599563A Method for efficiently recovering active materials of positive poles in waste lithium batteries
12/09/2009CN101597694A Copper smelting method
12/09/2009CN101597691A Process method for treating solid waste containing copper and nickel
12/09/2009CN101597690A Method for recycling multiple precious metals from anode mud
12/09/2009CN100567532C Ultrahigh-purity copper and process for producing the same, and bonding wire comprising ultrahigh-purity copper
12/03/2009US20090293680 Processing of Metal Values from Concentrates
12/03/2009US20090293678 Copper smelting method
12/02/2009CN101591229A N901-S copper extractant
12/02/2009CN100564387C Process for the agglomeration and passivation of waste material or fines from an organohalo-silane process
12/01/2009US7625423 Method for obtaining pure copper
12/01/2009CA2342513C Use of cupric chloride etchant solution in a solvent extraction electrowinning copper refinery
11/2009
11/26/2009US20090288521 Precious metal recovery using thiocyanate lixiviant
11/25/2009CN101586193A Leaching method for anode material of waste LiNiO2 battery
11/25/2009CN101586189A Leaching method for anode material of waste LiCoO battery
11/25/2009CN101586186A Method for leaching chalcopyrite and corresponding leaching agent
11/24/2009CA2369852C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants
11/24/2009CA2352770C High temperature heap bioleaching process
11/18/2009CN101583728A Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals
11/18/2009CN101579701A Preparation process of copper pipe material for electronic thermotubes
11/17/2009CA2409569C Polysulfonamide matrices
11/17/2009CA2193068C Copper converting
11/12/2009WO2009135291A1 Leaching process for copper concentrates containing arsenic and antimony compounds
11/12/2009CA2721709A1 Leaching process for copper concentrates containing arsenic and antimony compounds
11/11/2009EP1155155B1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals
11/11/2009CN101575673A Method for separating and extracting copper and cobalt-nickel in low-grade complex mixed copper-cobalt ore
11/11/2009CN101575672A Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore
11/11/2009CN100558918C Method for the recovery of valuable metals and arsenic from a solution
11/10/2009US7615199 Method for the recovery of valuable metals and arsenic from a solution
11/10/2009CA2438605C A method for the bacterially assisted heap leaching of chalcopyrite
11/10/2009CA2383817C Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed
11/10/2009CA2383816C Recovery of nickel from nickel bearing sulphide minerals by bioleaching
11/10/2009CA2383815C Recovery of precious metal from sulphide minerals by bioleaching
11/05/2009US20090272227 Metal Extraction Without Cyanide
10/2009
10/28/2009EP2111472A1 Method of continuous fire refining of copper
10/28/2009EP2111471A1 Installation for continuous fire refining of copper
10/28/2009CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents
10/28/2009CN100554452C Process for extracting copper by wet method from copper-containing sulfidization ore
10/28/2009CN100554451C Method for separating and reclaiming copper from cobalt chloride solution
10/28/2009CN100554450C Tap hole cooling structure
10/27/2009CA2409605C Acid stable membranes for nanofiltration
10/21/2009CN101560605A Method for separating copper and aluminium from copper-cladding aluminium waste leading wire
10/21/2009CN101560485A Moderate thermophilic enriched substance used for mineral leaching of copper pyrites
10/21/2009CN100552356C Reverberator furnace
10/15/2009WO2009124387A1 Process for decontaminating preservative-treated wood and recovering metals from leachates
10/15/2009CA2720630A1 Process for decontaminating preservative-treated wood and recovering metals from leachates
10/14/2009CN101558176A Accelerated heat generation in heap bioleaching
10/14/2009CN101555554A Copper smelting agent and manufacture process thereof
10/14/2009CN100549192C Reducing process for mixing natural gas and steam in operation of copper fire refining
10/14/2009CN100549191C Improved method for metal heap and dump leaching coupled with metal solvent extraction
10/07/2009CN201321482Y Oxygen side-blowing copper smelting furnace
10/07/2009CN100547094C Method for recovery and utilization of acid waste liquid generated in waste lead acid accumulator lead -recovery process
10/01/2009WO2009120373A2 Metal extraction without cyanide
10/01/2009US20090241736 Method for recovering metal from ore
10/01/2009US20090241734 Method of leaching copper sulfide ores containing chalcopyrite
10/01/2009US20090241732 Method of obtaining copper from ore
10/01/2009US20090241731 System and method for extracting base metal values from oxide ores
09/2009
09/30/2009EP2104542A2 More efficient ether modifiers for copper extractant formulations
09/30/2009EP1863944B1 Modification of copper/iron selectivity in oxime-based copper solvent extraction systems
09/30/2009CN101545054A Method for recovering nickel, copper and cobalt from a nickel, copper and cobalt smelting waste slag
09/30/2009CN101545051A Method for recovering copper from a copper smelting waste slag
09/30/2009CN101545050A A method to comprehensively recover the solid material containing copper and vanadium
09/29/2009US7594951 using SO2 reducing agent to reduce ferric to ferrous ions and chloro-methylated macroporous styrene-divinylbenzene bead functionalized with hydroxypropyl picolylamine resin used as ion exchange resin as chelating adsorbant; stripping; continuous process
09/27/2009CA2639165A1 Method for recovering metal from ore
09/25/2009CA2655701A1 Method of leaching copper sulfide ores containing chalcopyrite
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