Patents for C22B 15 - Obtaining copper (5,364)
12/2007
12/12/2007CN100354440C Method for smelting copper concentrates
12/12/2007CN100354439C Method for the purification of copper chloride solution
12/12/2007CN100354437C Method for processing sulfide ores containing precious metals
12/12/2007CN100354198C Low viscosity copper solvent extraction reagent formulations
12/11/2007CA2478516C A process for the recovery of value metals from base metal sulfide ores
12/06/2007WO2007138345A1 Process for producing stabilised metal nanoparticles
12/06/2007WO2006137914A3 Process for extraction of metals from ores or industrial materials
12/05/2007CN101082084A Technique for reclaiming smelting refined bismuth from bismuth slag
12/05/2007CN101082083A Fine copper smelting and deoxidizing method
12/05/2007CN101082080A Method for reclaiming metal by copper smelting-furnace magnesia brick lining
11/2007
11/29/2007WO2007106709A3 Method for electrolytic production and refining of metals
11/29/2007US20070272056 Method for the Agglomeration of Used Material or Fines from the Production of Organohalosilanes
11/28/2007CN200981885Y Energy-saving and environmental-protecting fining furnace
11/28/2007CN101078060A Treatment device for converter waste gas
11/28/2007CN101078057A Method for smelting arsenic-containing gold concentrate
11/28/2007CN101078056A Method of extracting valuable element from waste water and waste slag
11/28/2007CN101078051A Integrated utilization technique for cyanidation gold-extracted waste slag
11/28/2007CN100351406C Method for processing anode sludge
11/28/2007CN100351405C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants
11/28/2007CN100351242C Processes and intermediates for preparing anti-cancer compounds
11/22/2007WO2007134344A1 Chloride tank leaching
11/22/2007WO2007134343A2 Chloride heap leaching
11/22/2007US20070266823 Method for Agglomerating and Passivating Used Material or Fines Resulting From the Production of Organohalosilanes
11/21/2007CN100350062C Method of recovering platinum group element and apparatus therefor
11/21/2007CN100349671C Method for producing phosphorus-contained copper base material and method for producing low-oxygen copper alloy wire
11/20/2007US7297315 Recovering copper , manganese; precipitation in acidity solution
11/15/2007WO2007130985A1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
11/15/2007US20070264703 Microorganism and Method for Leaching Mineral Sulphides
11/15/2007US20070264151 Methods And Systems For Removing Copper From Ferrous Scrap
11/14/2007EP1713942B1 Heap bioleaching process
11/14/2007EP1549777B1 Method for removal of silver from a copper chloride solution
11/14/2007CN200974858Y Oxygen gun device for oxygen bottom-blowing smelting furnace
11/14/2007CN101070568A Method for preparing copper pipe for magnetic control pipe
11/14/2007CN101070563A Method for treating cobalt-copper alloy by sulfuric acid
11/13/2007US7294168 Method for purifying the solution in the hydrometallurgical processing of copper
11/08/2007US20070257139 Method for Comminution of Material
11/08/2007US20070256520 Method for producing a metal alloy
11/07/2007EP1658467B1 Electric reducing furnace
11/07/2007CN100346879C Method for controlling oxygen when separating minerals from a slurry
10/2007
10/31/2007EP1848834A1 Method for the treatment of copper-bearing materials
10/31/2007CN100345985C Recovery of copper from chalcopyrite
10/25/2007WO2001016383A3 Process and solution
10/23/2007US7285256 Precious metal recovery using thiocyanate lixiviant
10/18/2007WO2007118257A2 Metal recovery from a tank bioleaching solution with the use of coated magnetic particles
10/17/2007CN101054633A Waste copper recasting process
10/16/2007US7282080 Process for extracting platinum group metals
10/11/2007WO2007113375A1 Method and equipment for treating process gas
10/11/2007CA2647205A1 Method and equipment for treating process gas
10/10/2007CN101049933A Method for preparing metallic and nonmetallic Nano granules through hydrolysis method for compound containing magnesium
10/04/2007WO2007109841A1 Improved processing of metal values from concentrates
10/04/2007WO2007109822A1 Process for the pyrometallurgical production of copper
10/04/2007US20070227948 Selective sulfur removal from hydrocarbon streams by adsorption
10/03/2007EP1346072B1 Apparatus for feeding solid material and oxidizing gas into suspension smelting furnace
10/03/2007CN101048519A A process for-reprocessing oxidic by-products containing arsenic
10/03/2007CN101045963A Dry type refining method for copper
09/2007
09/27/2007DE10304630B4 Vorrichtung und Verfahren zum Wiederverwerten kunststoffbeschichteter elektrischer Leiter Apparatus and method for recycling plastic-coated electrical conductor
09/27/2007DE102006013871A1 Elektrochemisches Verfahren zur Abscheidung von nanoskaligen Metallen, Halbmetallen und Verbindungen dieser Metalle und/oder Halbmetalle an der Grenzfläche zwischen einer Niedertempereturentladung und einer ionischen Flüssigkeit An electrochemical process for deposition of nanoscale metals, semimetals and compounds of these metals and / or semi-metals at the interface between a Niedertempereturentladung and an ionic liquid
09/26/2007CN100339493C Treatment of base metal concentrate
09/25/2007US7273510 Arrangement and method for tapping a molten phase from a smelting furnace
09/19/2007EP1834002A1 Use of surfactants in the production of metal
09/19/2007EP1834001A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
09/19/2007CN101037285A Integrative recovering and reusing of heavy metals in wire board plating wastewater treatment sludge
09/19/2007CN100338691C Cu-Ni-Si-Mg series copper alloy strip
09/13/2007WO2006131371A8 Method for reducing and/or refining a metal-containing slag
09/12/2007CN101035916A Improved method for metal heap and dump leaching coupled with metal solvent extraction
09/12/2007CN101035623A Method for comminution of material
09/12/2007CN101033509A Bacteria underground heap leaching process for copper ore
09/12/2007CN101033508A Method of preparing high purity copper by bacteria leaching primary sulfide ore
09/11/2007CA2395851C A method for treatment of flue gas cleaning products
09/07/2007WO2007099119A1 Process for the acid digestion of metal-containing compounds
09/07/2007WO2007068193A8 A process for recovering and recycling of waste ammoniacal alkaline copper etchant by using metallic aluminum
09/07/2007CA2644671A1 Process for the acid digestion of metal-containing compounds
09/06/2007US20070207076 Method of preparing metal-containing wood preserving compositions
09/05/2007EP1827699A1 Pneumatic flotation column
09/04/2007US7264767 Method and device for reducing the oxygen content of a copper melt
09/04/2007US7264733 Method for treating heavy-metal-containing wastewater using sulfidizing agent
08/2007
08/29/2007CN101024864A Method for recovering gold and copper from gold-plated printed circuit board waste material
08/23/2007WO2007093667A1 Method for recovering copper from a copper sulphide ore
08/23/2007CA2642673A1 Method for recovering copper from a copper sulphide ore
08/16/2007WO2007092219A1 Method for refining non-ferrous metal
08/16/2007CA2641087A1 Method for refining non-ferrous metal
08/15/2007CN1332046C Zinc recovery process
08/15/2007CN101018876A Optimization method of bioleaching process
08/15/2007CN101016583A Method of eliminating passivation film for chalcopyrite at lixiviating course by sulfur oxidizing bacteria
08/09/2007WO2006060305A3 Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials
08/09/2007US20070180955 Recovery of steel from contaminated scrap
08/08/2007CN101012515A Low viscosity copper solvent extraction reagent formulations
08/02/2007US20070175299 Process for copper converting
08/02/2007US20070175298 Method for refining non-ferrous metal
08/01/2007EP1812625A2 Process for multiple stage direct electrowinning of copper
08/01/2007CN101008052A Method for recovering copper from PCB copper etching liquor separated by solvent extraction technology
08/01/2007CN101008051A Copper smelting process
08/01/2007CN101008050A Harmless processing system and process for copper powder containing organism and glass fiber
07/2007
07/26/2007US20070169587 monitoring/controlling inorganic, organic compounds in a raffinate solution, produced in the process, to levels below that which could be inhibitory to microbial activity for leaching cu, fe, ni, zn, gold or cobalt from the ore; concentration of O2, CO2 consumption as an indicator of microbial activity
07/25/2007CN1328398C Method for extracting platinum-palladium and base metal from platinum metal sulphide ore
07/25/2007CN101003857A Method for extracting metal copper from electronical wastes
07/18/2007EP1807671A1 Method and device for extracting a metal from a slag containing the metal
07/18/2007CN1327012C Wet-method for leaching of low-grade high-alkali hybrid copper ore, nickel ore and zinc ore
07/18/2007CN100999788A Process of nickle cobait copper ammine sulfate salt mixture evaporating ammine baking acid immersion
07/18/2007CN100999787A Process of nickle cobait double salt sulfated baking acid immersion
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