Patents for C22B 15 - Obtaining copper (5,364)
03/2014
03/26/2014CN103667704A Method for separating metal and nonmetal of waste printed circuit board base plate
03/26/2014CN103667677A Roasting and mineral processing technology of smelting copper slag
03/26/2014CN103131871B Method for extracting pure copper and pure zinc from brass
03/26/2014CN103122416B Equipment for extracting pure copper and pure zinc from brass and using method thereof
03/26/2014CN102994747B Technology for recovering metallic copper from high-lead copper matte
03/26/2014CN102943177B Method for recovering cooper and silicon powder from organosilicon waste residue
03/20/2014WO2014042948A1 Methods and systems for leaching a metal-bearing ore
03/20/2014WO2014040140A1 Removal of radioactive impurities from a copper ore or copper concentrate during or after smelting
03/19/2014CN203487212U Multifunctional copper smelting device
03/19/2014CN103645694A PS copper converter converting process intelligent decision and terminal forecast method and device
03/19/2014CN103643053A Gas permeable brick hot replacement method for rotary anode furnace
03/19/2014CN103643051A Process and device for treating copper-lead smelting mixed slag through bottom-blowing bath smelting technology
03/19/2014CN103643049A Method for smelting lead dross
03/19/2014CN103643044A Technology for directly extracting copper and zinc by using copper dust wet method
03/19/2014CN103643037A Separating method of copper and iron-lead in complex copper-iron-lead mixed sulphide ores
03/19/2014CN103639376A Copper smelting insulation chute device
03/19/2014CN102745657B Method for extracting tellurium from tellurium copper slags
03/12/2014EP2705168A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores
03/12/2014CN103627909A Composite filtering method for copper and copper alloy melts through centrifugal force field
03/12/2014CN102912143B Method for comprehensively treating indium-containing lead anode slime through whole wet process
03/06/2014WO2014033363A1 Arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace
03/05/2014CN203464677U Energy-saving sealed blast furnace
03/05/2014CN203462108U Device for refining copper concentrate
03/05/2014CN103620064A A process of gold and copper recovery from mixed oxide-sulfide copper ores
03/05/2014CN103614569A Mixing process for various copper concentrates with different components
03/05/2014CN103614558A Method for extracting and separating copper from PCB (Printed Circuit Board) etching waste liquid
03/05/2014CN103614556A Method for treating waste mobile phone circuit board and recovering precious metals
03/04/2014US8664149 Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold
03/04/2014US8664148 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition
02/2014
02/27/2014WO2014030878A1 Method for separating and collecting useful metals from waste lead-free solder
02/27/2014WO2014030048A1 Heap leaching method
02/27/2014WO2014029913A1 Method and arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace
02/26/2014CN203451590U Unloading device
02/26/2014CN103602816A Method for recycling waste printed circuit board
02/26/2014CN103602807A Treating method of removed molybdenum slag produced from tungsten smelting processes
02/26/2014CN103131870B Method for preprocessing furnace temperature distribution data of scrap copper smelting furnace
02/26/2014CN102776374B Treatment method of nickel-cadmium slag
02/19/2014CN103589876A Method for producing oxygen-free copper by utilizing waste red copper
02/19/2014CN103589870A Method for processing tin refining sulfur slag
02/19/2014CN103586006A Method of aminopyridine modified resin for adsorbing rhodium octanoate dimer and metal ions
02/19/2014CN103014371B Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace
02/19/2014CN103014370B 铜锍底吹吹炼工艺和铜锍底吹吹炼炉 Matte bottom blow matte refining process and furnace bottom blow
02/19/2014CN102703905B Process for comprehensively utilizing waste tin-stripping solution
02/13/2014WO2014023755A1 Metal leach and recovery process
02/13/2014WO2014022946A1 Method for processing smelting dust by means of tricarboxylic acid
02/13/2014US20140044618 Process of Gold and Copper Recovery From Mixed Oxide - Sulfide Copper Ores
02/13/2014US20140044617 Metathetic copper concentrate enrichment
02/12/2014CN203429234U Immersed blowing reduction system of depletion electric furnace
02/12/2014CN103572069A Batching and smelting method for smelting blister copper by scrap copper
02/12/2014CN103572068A Method for recovering copper from copper-containing gold-loaded carbon
02/12/2014CN103572050A Biological selectivity leaching method of low-grade copper-cobalt ore
02/12/2014CN103103358B Method for recovering metal by use of APT (ammonium paratungstate) waste slag
02/11/2014CA2706414C Method for processing pyritic concentrate containing gold, copper and arsenic
02/05/2014CN203419972U Secondary copper smelting method technology and device
02/05/2014CN103555965A Double-side blowing smelting equipment
02/05/2014CN103555964A Side blown smelting equipment
02/05/2014CN103555963A Method for treating cyaniding gold extraction waste liquid to recover gold, silver and copper by use of acid making waste gas
02/05/2014CN103555951A Method for extracting copper from organic silicon scrap
02/05/2014CN103553051A Method for separating solids from liquid of dregs in production process of organic silicon
02/05/2014CN102864313B Smelting method of natural copper mine
02/05/2014CN102864306B Method for increasing extraction efficiency of copper in water solution
02/05/2014CN101977689B Picolylamine resins
01/2014
01/29/2014EP2224022B1 Improved bacterial oxidation of sulphide ores and concentrates
01/29/2014CN103540764A Preparation method of high-purity oxygen-free copper material
01/29/2014CN103540763A Copper concentrate flash-bath composite smelting process and Outokumpu flash smelting furnace implementing process
01/29/2014CN101855374B High temperature leaching process
01/23/2014US20140023572 Method of ore processing
01/23/2014US20140020510 Recovery of base metals from sulphide ores and concentrates
01/22/2014CN103526043A Purple mixed copper smelting and oxidation-reduction system
01/22/2014CN103526035A Method for recycling valuable metals from waste lithium ion batteries and/or other materials
01/22/2014CN103526013A Comprehensive recovery method of complex molybdenum sulphide ores
01/22/2014CN102181660B Method of feeding fuel gas into the reaction shaft of a suspension smelting furnace and a concentrate burner
01/15/2014EP2684970A1 Copper or copper alloy reduced in -ray emission, and bonding wire obtained from copper or copper alloy as raw material
01/15/2014CN203393206U Circular copper removal treatment device for copper anode slime
01/15/2014CN203393205U Oxygen-enriched melting furnace used for treating low-grade multi-metal materials
01/15/2014CN203393204U Oxygen-enriched reduction furnace used for treating low-grade multi-metal materials
01/15/2014CN203389379U Copper-matte and residue separation device
01/15/2014CN103509953A Method for pre-treating high-impurity copper anode slime rich in noble metals
01/15/2014CN103509951A Technology for extracting gold and silver from chips and manifold blocks of waste circuit boards
01/15/2014CN103233118B Stacking and leaching method of tuff type cuprite
01/15/2014CN103194617B Method for strengthening agitation leaching of cuprite red copper ore type copper oxide
01/15/2014CN103146931B Copper oxide reduction device and method
01/15/2014CN102978395B Method for separating and enriching Cu and Co from sulfate diluted solution containing Co
01/15/2014CN102828043B Autogenous smelting method of low-grade copper concentrate
01/15/2014CN102732729B Method for removing nickel and copper from high nickel copper anode mud
01/15/2014CN102719677B Method for producing iron-copper alloy micropowder by treating copper smelting slag in oxidizing atmosphere kiln
01/08/2014CN103498058A Technology and apparatus for removing lead, zinc, arsenic, antimony, bismuth and tin from matte
01/08/2014CN102851511B Method for reducing contents of zinc and copper in smelting ash acid leaching residues
01/08/2014CN102603102B Processing method of browning liquid
01/07/2014US8623114 Copper anode refining system and method
01/07/2014CA2597354C Method for the treatment of copper-bearing materials
01/02/2014US20140003991 Nanoparticle composition and methods of making the same
01/01/2014CN103484689A Method and arrangement for refining copper concentrate
01/01/2014CN103484688A Double-furnace double-side blowing slag forming and top blowing copper making continuous converting furnace
01/01/2014CN103484680A Method for leaching copper in waste printed circuit boards (PCBs) by mixed bacteria
01/01/2014CN103484679A Method for recycling tin and copper from waste tinned copper needles
01/01/2014CN103484670A Process for comprehensively recovering valuable metal from floatation silver concentrates of zinc hydrometallurgy system
01/01/2014CN103484669A Solvent-recyclable waste copper recovery method
01/01/2014CN102676822B Burning-free non-cyaniding method for treating waste printed circuit board
12/2013
12/31/2013US8618020 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition
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