| Patents for C22B 15 - Obtaining copper (5,364) |
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| 01/19/2011 | CN201713557U Combined-type red impure copper fire refining system with shaft furnace and rotary furnace |
| 01/19/2011 | CN201713556U Miscellaneous copper melting shaft furnace chute heat preservation device |
| 01/19/2011 | CN201713555U Combined type refining furnace for continuously producing mixed cropper regeneration casting anode plates |
| 01/19/2011 | CN101948954A Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 01/19/2011 | CN101525694B Separation process for material containing lead, antimony, copper, bismuth and silver |
| 01/19/2011 | CN101338367B Method for enriching and purifying nickel, cobalt or copper ions |
| 01/18/2011 | CA2571557C Processing of acid-consuming mineral materials involving treatment with acidic biooxidation effluent |
| 01/12/2011 | EP1412545B1 Method for improving metals recovery using high temperature pressure leaching |
| 01/12/2011 | CN201706894U Concentrate spray nozzle of copper smelting flash furnace |
| 01/12/2011 | CN201706888U Flash smelting furnace reaction tower used for copper smelting |
| 01/12/2011 | CN101942679A Method for preparing, pre-treating and dispersing superfine copper powder |
| 01/12/2011 | CN101575672B Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore |
| 01/11/2011 | CA2390361C Recovery of metals from ore |
| 01/06/2011 | US20110001279 Apparatus for recovering platinum group elements |
| 01/06/2011 | US20110000340 Method for removing copper in steel scraps |
| 01/05/2011 | CN201697459U Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag |
| 01/05/2011 | CN101935761A Method for separating copper, selenium and tellurium from lead matte |
| 01/05/2011 | CN101935759A Method for recycling and treating waste circuit board |
| 01/05/2011 | CN101705369B Process and device for smelting copper by pulsation vortex method |
| 01/05/2011 | CN101638724B Process and apparatus thereof for refining copper scraps by using nitrogen gas stirring and oxygen-enriched oxygen gas |
| 01/05/2011 | CN101519726B Method for directly roasting and processing spent lithium ion batteries and recycling valuable metals |
| 01/05/2011 | CN101509125B Method for producing copper sputtering target material |
| 01/04/2011 | CA2459962C Method for the production of blister copper |
| 12/30/2010 | US20100329970 Method for recovery of copper, indium, gallium, and selenium |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | WO2010150873A1 Method for separating and recovering elements coexisting in scrap iron |
| 12/29/2010 | WO2010149841A1 Method for leaching chalcopyrite concentrate |
| 12/29/2010 | CN101928832A Method for treating copper-nickel containing solid waste |
| 12/29/2010 | CN101928831A Leaching method of anode material of lithium cobalt oxide waste battery |
| 12/29/2010 | CN101532091B Technology of extracting and separating valuable metals such as Pb, In, Sb, Cu and Sn from lead smelting converter slags |
| 12/29/2010 | CN101457209B Low-temperature leaching-ore bacteria and application thereof in low-temperature biological heap leaching process for copper sulfide ore |
| 12/29/2010 | CA2765926A1 Method for leaching chalcopyrite concentrate |
| 12/28/2010 | US7857887 Environment-friendly non-noise matte granulation technique |
| 12/23/2010 | US20100319490 Methods for Improving the Recovery of Metal Leaching Agents |
| 12/22/2010 | CN101921919A Comprehensive utilization process of molten copper slag and system thereof |
| 12/22/2010 | CN101921917A Method for reclaiming valuable metals from waste lithium batteries |
| 12/22/2010 | CN101921915A Method and device for recycling substrates by thermally cracking wasted printed circuit boards |
| 12/22/2010 | CN101921914A Iron removal process for copper cobalt ore leach liquor |
| 12/16/2010 | US20100314242 Method for Recovering Gold, Silver, Copper and Iron from Plasma-Caused Slag Containing Valuable Metals |
| 12/16/2010 | US20100313713 Method of leaching copper sulfide ore |
| 12/15/2010 | EP2259875A1 Picolylamine resins |
| 12/15/2010 | EP2259874A1 Picolylamine resins |
| 12/15/2010 | CN201670862U Air port copper water jacket for oxygen side-blown converter |
| 12/15/2010 | CN201670861U Electric furnace for impoverishing copper and nickel smelting furnace slag |
| 12/15/2010 | CN101914689A Method for producing low-oxygen electro-technical copper wire blank with waste copper |
| 12/15/2010 | CN101914688A Method for producing oxygen-free copper rod by refining impure copper and continuous casting and rolling |
| 12/15/2010 | CN101914681A Pollution-free method for treating copper, lead and silver-containing material |
| 12/15/2010 | CN101914680A 铜萃取剂 Copper extraction agent |
| 12/15/2010 | CN101275185B Manufacturing technique for oxygen-enriched side blowing molten pool raw copper smelting and special equipment thereof |
| 12/14/2010 | CA2432743C Non-biochemical method to heap leach copper concentrates |
| 12/08/2010 | CN101910429A Method and apparatus for removing/recovering copper from copper-containing acidic waste liquid and process for producing copper-containing substance |
| 12/08/2010 | CN101909770A Method of recycling useful metal |
| 12/08/2010 | CN101907402A Blow pipe for copper smelting furnace and manufacturing method thereof |
| 12/08/2010 | CN101906543A High oxygen-enriched bottom blowing low power consumption molten pool melting technology |
| 12/08/2010 | CN101906537A Process for decomposing cobalt alloy |
| 12/08/2010 | CN101905909A Compound copper extractant |
| 12/08/2010 | CN101624655B Method for removing impurities in waste copper |
| 12/08/2010 | CN101165196B Technique for continuously smelting copper by employing oxygen bottom converter and device thereof |
| 12/07/2010 | US7846379 Industrial furnace |
| 12/07/2010 | US7846233 includes using pyrite(FeS2) as a catalyst for ferric reduction in order to eliminate passivation of the chalcopyrite surface,leaching being carried out under conditions whereby the pyrite is not materially oxidized by maintaining the operating solution potential at a suitable level |
| 12/01/2010 | CN101903545A Suspension smelting furnace |
| 12/01/2010 | CN101903544A Slag for electroslag remelting of coppoer alloys and process for manufacturing copper alloy products |
| 12/01/2010 | CN101903543A Method for refining copper concentrate |
| 12/01/2010 | CN101333603B Processing and refining method of copper-containing raw material |
| 11/30/2010 | US7842120 leaching copper from copper sulfide ore (CuFeS2) with chloride bath and leaching and obtaining more than 98% of copper in copper sulfide ore with use of only air without specific oxidant and specific equipment |
| 11/25/2010 | US20100296987 Method for the Recovery of Gold from a Gold-Containing Solution |
| 11/25/2010 | US20100294081 Method and apparatus for removing and recovering copper from copper-containing acidic waste liquid and method for producing copper-containing substance |
| 11/24/2010 | CN201648492U Device for producing copper |
| 11/24/2010 | CN1584129B Method for separating copper from copper-containing waste liquid |
| 11/24/2010 | CN101896628A Method and arrangement for treating exhaust gases from a suspension smelting furnace |
| 11/23/2010 | US7837760 Acidithiobacillus thiooxidans, Acidithiobacillus ferrooxidans; no native microorganisms grown in inoculation solutions; no ferric oxidizing ions; inoculating, irrigating solutions nutrients are salts of ammonium, potassium, phosphate, iron, magnesium; carbon dioxide enriched air injected; self sustained |
| 11/23/2010 | CA2459899C Zinc recovery process |
| 11/17/2010 | EP1834001B1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 11/17/2010 | CN101886272A Method for extracting indium and preparing iron oxide by slag-free zinc hydrometallurgy of zinc concentrate |
| 11/17/2010 | CN101886169A New process for extracting copper from copper-cobalt mine leachate |
| 11/11/2010 | US20100282025 Method For Metal Recovery and Leaching Agent Recycle in Agitation Leach Plants |
| 11/10/2010 | CN101880779A Solid copper material processing method and apparatus thereof |
| 11/10/2010 | CN101880778A Copper matte processing method and device thereof |
| 11/10/2010 | CN101880775A Method for diluting copper and nickel concentrate smelting slag |
| 11/10/2010 | CN101880774A Process for removing copper slag and producing crude lead and lead copper matte by adopting melting treatment in bottom-blowing melting bath and device thereof |
| 11/10/2010 | CN101368232B Method for recycling valuable metal from cobalt-copper-iron alloy |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 11/04/2010 | US20100275731 Apparatus and process for making high purity nickel |
| 11/03/2010 | EP2245200A1 Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning |
| 11/03/2010 | CN101878079A Method of regulating composition of molten metal during continuous casting and apparatus therefor |
| 11/03/2010 | CN101878078A Process for manufacturing copper alloy products and equipment therefor |
| 11/03/2010 | CN101525692B Method for utilization of copper-nickel-tungsten alloy waste |
| 11/03/2010 | CN101235442B Copper extracting smelting technique for copper ore dressing tailings |
| 10/28/2010 | US20100269633 Slag for electroslag remelting for copper alloy and method for producing copper alloy material |
| 10/27/2010 | CN101871051A New automatic spraying system for solid reducing agent |
| 10/27/2010 | CN101871050A Method for eliminating magnetic iron oxide furnace accretion produced in copper sulfide concentrate pyrometallurgical process |
| 10/27/2010 | CN101871046A Method for recycling heavy metal pollution wastes |
| 10/27/2010 | CN101871044A Processing method of high secondary cement copper mixed ores and minerals |
| 10/26/2010 | US7819941 calcium carbide (CaC2) is used as a reducing agent and slag is added to the calcium carbide (CaC2) before molten slag is charged into the furnace |
| 10/21/2010 | WO2010120405A1 Methods and systems for recoverying rhenium from a copper leach |
| 10/21/2010 | CA2758884A1 Methods and systems for recovering rhenium from a copper leach |
| 10/20/2010 | EP2241381A1 Method of recycling useful metal |
| 10/20/2010 | CN101864519A Method for selectively leaching and separating tin, lead and copper from waste circuit board |
| 10/20/2010 | CN101435021B Acid heap leaching process for cupric oxide ore |
| 10/19/2010 | US7815709 Alkaline electro-hydrometallurgical process for Zn extraction from electric arc furnace dust |