| Patents for C22B 15 - Obtaining copper (5,364) |
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| 10/09/2013 | CN103343229A Method for comprehensively recovering valuable metals from electroplating waste mud |
| 10/09/2013 | CN103343228A Method for extracting iron-copper alloy from high-temperature molten copper slag |
| 10/08/2013 | CA2605005C Method for the recovery of valuable metals and arsenic from a solution |
| 10/02/2013 | CN203222607U 炉缸 Hearth |
| 10/02/2013 | CN103334014A Method and device for cleaning copper smelting and melting slag |
| 10/02/2013 | CN103334009A Method for recycling valuable metal from waste lithium batteries |
| 10/02/2013 | CN103334007A Method for recycling copper extraction raffinate produced in roasting, acid leaching and extracting processes |
| 10/02/2013 | CN102206751B Method for continuously recovering copper from printed circuit boards by microbial metabolites under action of micro electric field |
| 09/26/2013 | WO2013140836A1 Method for producing hematite for iron production |
| 09/26/2013 | US20130247720 Method for leaching copper from copper sulfide ore |
| 09/25/2013 | CN203216280U Inlet pouring nozzle of maintaining furnace |
| 09/25/2013 | CN203212616U Symmetric tilting smelting furnace |
| 09/25/2013 | CN103320617A Technology for cleanly and harmlessly processing high-calcium waste residue and high-iron waste residue |
| 09/25/2013 | CN103320616A Method for recovering copper through copper anode mud supersonic pretreatment |
| 09/25/2013 | CN103320614A Lead matte pyrogenic process treatment technology |
| 09/24/2013 | CA2636122C Process of leaching gold |
| 09/19/2013 | US20130239752 Method of leaching copper ore |
| 09/18/2013 | CN103305698A Method for recovering gold, silver, tin and copper from industrial wastes |
| 09/18/2013 | CN102560145B Process for purifying miscellaneous copper |
| 09/18/2013 | CN102121067B Nuisanceless oredressing additive as well as preparation method and application thereof |
| 09/17/2013 | CA2703863C High temperature leaching process |
| 09/17/2013 | CA2549656C Improved bacterial oxidation of sulphide ores and concentrates |
| 09/12/2013 | DE102012005401A1 Preparing copper-containing substances, comprises preparing tin-containing slag using copper-containing secondary raw materials in melting furnace, and introducing slag into rotary furnace in which the slag is partially chemically reduced |
| 09/11/2013 | CN103290224A Recovery process for valuable metals in tungsten residues |
| 09/11/2013 | CN103290222A Method for recovering copper and nickel from electroplating sludge |
| 09/11/2013 | CN103290221A Method for recovering copper, arsenium and antimony from black copper sludge |
| 09/11/2013 | CN103290218A Beneficiation combined process of Ni-Co-Cu lean ore or tailings |
| 09/11/2013 | CN103288172A Recycling method of board washing wastewater produced in PCB (Printed Circuit Board) etching section |
| 09/05/2013 | US20130230717 Copper nanostructures and methods for their preparation |
| 09/04/2013 | CN103276223A Double-furnace multi-gun top-blown continuous converting furnace |
| 09/04/2013 | CN103276222A Technical method and device for treating diaphragm and freezing layer in subsiding electric furnace through pulverized coal in copper pyrometallurgical process |
| 09/04/2013 | CN103276221A Method for recovering copper from copper flotation system liquids of tailings after cyaniding gold extraction |
| 09/04/2013 | CN103276217A Comprehensive recycling process for polymetallic material containing gold and silver |
| 08/29/2013 | US20130221586 Method and apparatus for leaching metal from mining ore |
| 08/29/2013 | US20130220078 Method for leaching of copper and molybdenum |
| 08/28/2013 | CN102649998B Method for separating and enriching copper, cadmium and zinc in copper and cadmium sediment |
| 08/27/2013 | US8518854 Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold |
| 08/21/2013 | CN203144498U Oxygen replenishment device for tilting furnace |
| 08/21/2013 | CN103255296A Energy-saving and environment-friendly new technology for production of zinc oxide in rotary kiln and comprehensive recovery of iron copper gold silver indium |
| 08/21/2013 | CN103255295A Process method for adding oxygen into sleeve wind of spray gun of Ausmelt furnace |
| 08/21/2013 | CN103255289A Method for removing arsenic matte by alkaline leaching at oxygen pressure and recovering arsenic |
| 08/21/2013 | CN102828045B Special pulverized coal burner for silver and copper molten pool smelting furnace |
| 08/21/2013 | CN102586618B Process of smelting iron pyrite |
| 08/15/2013 | US20130209335 Leaching process for copper concentrates containing chalcopyrite |
| 08/14/2013 | DE102007040822B4 Kupferlegierung und Verfahren zu deren Herstellung Copper alloy and process for their preparation |
| 08/14/2013 | CN103243349A Comprehensive zinc hydrometallurgy recovery system technique |
| 08/14/2013 | CN103243223A Method for removing tin from crude copper |
| 08/14/2013 | CN102433442B Method for preparing electrolytic anode copper by oxidizing and refining copper scraps |
| 08/13/2013 | CA2544511C Leach extraction method |
| 08/07/2013 | CN203112905U Copper matte bottom blowing device |
| 08/07/2013 | CN103233129A Wet-process open treatment method of arsenic in copper ashes |
| 08/07/2013 | CN103233127A Method for separating base metal from precious metal in copper anode mud |
| 08/07/2013 | CN103233118A Stacking and leaching method of tuff type cuprite |
| 08/07/2013 | CN102747225B Method for comprehensively recycling copper, selenium and uranium from stone coal extraction vanadic acid immersion liquid |
| 08/07/2013 | CN102605192B Preparation method for oxygen-free copper tube for magnetron |
| 08/07/2013 | CN102560144B Double rotational flow premix type metallurgical nozzle |
| 08/07/2013 | CN102534235B Method for recovering valued metals from cobalt-nickel residue obtained through antimony trioxide purification in zinc hydrometallurgy |
| 08/06/2013 | CA2562321C Process for copper converting by lance injection of oxidizing gas |
| 07/31/2013 | CN102828049B Method for strengthening self-heating efficiency of silver copper melting pool smelting furnace by building numerical model |
| 07/31/2013 | CN102251244B Cyclic regeneration and copper extraction process for printed circuit board etching waste solution |
| 07/30/2013 | CA2639165C Method for recovering metal from ore |
| 07/24/2013 | CN103215435A Method for comprehensively recycling zinc, copper, lead, gold, silver and sulfur from floatation silver concentrate |
| 07/24/2013 | CN101878078B Process for manufacturing copper alloy products and equipment therefor |
| 07/18/2013 | WO2013104045A1 Method for selective precipitation of iron, arsenic and antimony |
| 07/17/2013 | CN203065554U Device for extracting pure copper and pure zinc from brass |
| 07/17/2013 | CN203065553U 阳极精炼炉 Anode refining furnace |
| 07/17/2013 | CN203065552U Automatic slag-salvaging device for copper refining |
| 07/17/2013 | CN203065551U Shaft furnace prechamber device |
| 07/17/2013 | CN203065550U Oxygen enrichment side-blown molten-pool copper smelting furnace |
| 07/17/2013 | CN203065547U Brass smelting furnace |
| 07/17/2013 | CN103205567A Method for enriching gold and platinum group metal in process of melting copper-nickel sulfide ore |
| 07/16/2013 | US8486177 Heap leaching |
| 07/16/2013 | CA2580184C Method for comminution of material |
| 07/10/2013 | CN203053247U Straight-insertion pipeline system suitable for dust removal of furnace in fluid bed |
| 07/10/2013 | CN203049011U Novel PS (Pierce-Smith) converter system |
| 07/10/2013 | CN203049010U Side-blown continuous smelting device of electronic scrap |
| 07/10/2013 | CN103194621A Method for treating sulfur slag |
| 07/10/2013 | CN103194617A Method for strengthening agitation leaching of cuprite red copper ore type copper oxide |
| 07/10/2013 | CN103194616A Method for preparing copper nanocrystalline |
| 07/10/2013 | CN103194612A Advanced treatment technology for bottom blowing smelting smoke dust |
| 07/10/2013 | CN103194601A Method for reducing consumption of copper extractant in copper extraction process by nitric acid system |
| 07/10/2013 | CN102643988B Method for leaching metallic copper from waste printed circuit board by using ionic liquid |
| 07/10/2013 | CN102399992B Method for recovering valuable metals from waste plastic plating layer containing copper and nickel |
| 07/10/2013 | CN101910429B Method and apparatus for removing/recovering copper from copper-containing acidic waste liquid and process for producing copper-containing substance |
| 07/04/2013 | DE102011090072A1 Verfahren zur Gewinnung eines Metalls aus einer das Metall enthaltenden Schlacke sowie Vorrichtung zur Gewinnung des Metalls A process for recovering a metal from a slag containing the metal as well as apparatus for obtaining the metal |
| 07/03/2013 | CN103184338A Recovery method of copper indium gallium selenide thin-film solar panel |
| 07/03/2013 | CN103184335A Low-grade multi-metal sulfide mineral selective bioleaching technology |
| 07/03/2013 | CN103184334A Selection-smelting combined technology for treating mixed ore containing molybdenum, oxygen, sulfur and copper |
| 07/03/2013 | CN103184333A High grade copper oxide-containing material sulfuric acid leaching and stage extraction technology |
| 07/03/2013 | CN102433437B Heavy metal sludge recycling and innocent treatment method |
| 06/27/2013 | WO2013096070A1 Systems and methods for metal recovery |
| 06/26/2013 | CN203024578U Smelting furnace with bonding-preventing flue |
| 06/26/2013 | CN103173626A Treatment method of copper-smelting slag |
| 06/26/2013 | CN103173616A Method for extracting and separating copper and cobalt in waste lithium ion battery leach solution with microemulsion |
| 06/26/2013 | CN103173614A High-temperature biological heap leaching method of primary copper sulphide ores |
| 06/26/2013 | CN103173612A Acid dump leaching technology of atacamite |
| 06/26/2013 | CN103173356A Intermediate-temperature mineral leaching composite microbial system for leaching copper pyrites |
| 06/26/2013 | CN103172143A Method for recycling copper from D-threo-beta-Methylsulfonylphenylserine ethyl ester production wastewater |
| 06/26/2013 | CN102242268B Process for treating black copper slag through electrolytic method |
| 06/26/2013 | CN102181654B Method for recovering zinc, silver and copper from zinc leaching residue |