| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 11/28/2012 | CN102796873A Method for comprehensively recovering metallic cobalt, ruthenium and aluminum from Fischer-Tropsch synthesis dead catalyst Co-Ru/Al2O3 |
| 11/28/2012 | CN102796872A Method for recycling rare earths from cathode-ray tube fluorescent powder |
| 11/28/2012 | CN102796871A Method for treating cast of lead anode plate in electro-deposit copper |
| 11/28/2012 | CN102796864A Method for activating and dissolving insoluble noble metal rhodium |
| 11/28/2012 | CN102031380B Method and device for recovering metallic lead from lead plaster of waste lead-acid storage battery |
| 11/28/2012 | CN101821202B Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 11/27/2012 | US8317896 Method of recycling useful metal |
| 11/27/2012 | CA2777572A1 Method for the recovery of minerals |
| 11/22/2012 | WO2012121495A3 Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| 11/21/2012 | CN202538644U Microfiltration process platinum recovery device for nitric acid production |
| 11/21/2012 | CN102787317A Microetch solution recycling system |
| 11/21/2012 | CN102787247A Method for regenerating aluminium-copper intermediate alloy by extruding waste copper-clad aluminium conductor and waste copper conductor for three times |
| 11/21/2012 | CN102787243A Method for recycling germanium from zinc distillation residues |
| 11/21/2012 | CN102787242A Method for recovering germanium and indium from germanium-containing material generated from lead and zinc smelting process |
| 11/21/2012 | CN102787241A Method for extracting and recycling indium from chlorination distillation residue liquid generated after germanium extraction of germanium ore concentrate |
| 11/21/2012 | CN102787240A Method for comprehensive recovery of valuable metals from tin anode mud |
| 11/21/2012 | CN102787239A Technology for separating Cu-Pb-Zn-containing soot by alkali method |
| 11/21/2012 | CN102787237A Process for recovering iron, copper, zinc, and lead in copper tailing by leaching |
| 11/21/2012 | CN102787233A Method for circulative and comprehensive utilization of waste acids generated in acid preparation process through smoke smelting |
| 11/21/2012 | CN102787194A Method for preparing titanium-rich material by directly reducing molten slag from vanadium-titanium-ferrum concentrate |
| 11/21/2012 | CN102786192A Electroplating sludge resource recovery process |
| 11/21/2012 | CN102127643B Spraying method and device for separating copper from tin in tin-plated copper block |
| 11/21/2012 | CN102094128B Method for comprehensively recovering various valuable metals from germanium-containing material by wet process |
| 11/21/2012 | CN102086487B Vanadium slag treatment method capable of saving energy and reducing emission |
| 11/21/2012 | CN102051483B Method for reclaiming metals from molybdenum-containing waste catalyst |
| 11/15/2012 | WO2012152408A1 Method for obtaining metals and rare earth metals from scrap |
| 11/15/2012 | WO2012121496A3 Method for recovering platinum group metals from industrial waste containing platinum group metals |
| 11/15/2012 | WO2012093280A3 Systems and methods for recycling steelmaking converter exhaust residue and products made thereby |
| 11/15/2012 | CA2835166A1 Method for obtaining metals and rare earth metals from scrap |
| 11/14/2012 | EP2521799A1 A process for recycling of tungsten carbide alloy |
| 11/14/2012 | CN102782165A Oxygen torch waste reclamation system and acid recovery |
| 11/14/2012 | CN102776527A Novel clean, energy-saving and environment-friendly technology for extracting high-grade copper plate by utilizing waste containing copper |
| 11/14/2012 | CN102776386A Method for recycling stannic oxide from tin-containing lead slag |
| 11/14/2012 | CN102776385A Waste zinc slag recovery unit |
| 11/14/2012 | CN102776377A Method for conducting sulfur fixation treatment on lead-contained waste residues to recover valuable metal by side-blown smelting furnace |
| 11/14/2012 | CN102776376A Method for recovering valuable metal from waste residue containing lead and zinc through wet-fire combination process |
| 11/14/2012 | CN102776375A Method for recycling rare earths from waste neodymium-iron-boron material |
| 11/14/2012 | CN102776374A Treatment method of nickel-cadmium slag |
| 11/14/2012 | CN102776366A Process for decomposing waste rare earth luminescent materials by two times of acidolysis |
| 11/14/2012 | CN102776364A Process for recovering titanium and iron from titanomagnetite tailings |
| 11/14/2012 | CN102776362A Lead anode slime briquetting method and system |
| 11/14/2012 | CN102168176B Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 11/14/2012 | CN101994011B Method for treating and refining copper, tin, zinc and lead-containing waste residues |
| 11/13/2012 | US8308844 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead |
| 11/08/2012 | DE102011000955A9 Verfahren zur Rückgewinnung von Hartstoffpartikeln A process for the recovery of hard material particles |
| 11/07/2012 | EP2520676A1 Device for recycling of precious metals |
| 11/07/2012 | CN202521612U Incineration treatment system for recovery of noble metal catalyst |
| 11/07/2012 | CN202519343U System for recovering copper from waste circuit board |
| 11/07/2012 | CN202519317U Device for continuously recovering metal sodium from sodium slag |
| 11/07/2012 | CN202519316U Closed reducing furnace |
| 11/07/2012 | CN102766768A Method for separating valuable metal from zinc smelting acid leaching slags |
| 11/07/2012 | CN102766767A Ion exchange recovery method for precious metal platinum in spent automobile exhaust catalyst |
| 11/07/2012 | CN102766718A Method for producing sponge iron and zinc-rich materials by blast furnace zinc-containing ash |
| 11/07/2012 | CN102766716A Slag-free production process of ilmenite |
| 11/07/2012 | CN102766715A Slag-free production process of ilmenite |
| 11/07/2012 | CN102765832A System for recycling nickel from electroplating wastewater |
| 11/07/2012 | CN102140582B Method for preparing manganese sulfate from leaching slag of electrolytic manganese metal |
| 11/07/2012 | CN102108443B Method for recycling lead in lead accumulator |
| 11/07/2012 | CN102002596B Process for reclaiming bismuth and silver from bismuth refining slag |
| 11/07/2012 | CN101988158B Comprehensive utilization method of titanium-containing waste residues |
| 11/07/2012 | CN101974687B Extraction process for preparing electronic-grade cobalt sulfate from cobalt-containing waste material |
| 11/07/2012 | CN101962713B Continuous ion exchange device and method for extracting gallium from Bayer mother solution |
| 11/06/2012 | US8303890 Integrated quiescent processing of melts |
| 11/06/2012 | CA2491894C Metal compound removal |
| 11/01/2012 | WO2012147998A1 α+β-TYPE OR β-TYPE TITANIUM ALLOY AND METHOD FOR MANUFACTURING SAME |
| 10/31/2012 | CN202509120U Residual copper comprehensive clearing separating furnace |
| 10/31/2012 | CN202509119U Hot aluminum ash separating device |
| 10/31/2012 | CN202509118U Device for recovering residues produced during laser processing of medical trestle |
| 10/31/2012 | CN102758091A Treatment method for electroplating sludge |
| 10/31/2012 | CN102758090A Treatment method for electroplating sludge |
| 10/31/2012 | CN102758089A Recovering and regenerating method of cemented carbide scrap material |
| 10/31/2012 | CN102755984A Harmless combined treatment method and system for sulfureted hydrogen and fly ash |
| 10/31/2012 | CN102286665B Comprehensive recovery method for complicated materials containing arsenic and valuable metal slag dust |
| 10/30/2012 | US8298317 Ironmaking and steelmaking |
| 10/30/2012 | US8298316 Method for producing pig iron |
| 10/26/2012 | WO2012144973A1 Extraction of gallium and/or arsenic from gallium arsenide |
| 10/24/2012 | EP2513348A1 Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues |
| 10/24/2012 | CN202499890U Tin-stripping waste liquid recycling equipment |
| 10/24/2012 | CN102747234A Method for recovering silver from silver-containing waste liquid |
| 10/24/2012 | CN102747233A Sulfur concentrate recovery process in pre-cavitation and sulfur flotation of zinc oxidative pressure leaching residue |
| 10/24/2012 | CN102747232A Method for treating refined copper bismuth dross by electric induction furnace |
| 10/24/2012 | CN102747231A Method for treating copper dross by induction electric furnace |
| 10/24/2012 | CN102747230A Comprehensive dust recovery method for ferroalloy electric furnace |
| 10/24/2012 | CN102747229A Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 10/24/2012 | CN102747228A Method for recycling valuable elements from blast furnace gas mud |
| 10/24/2012 | CN102747227A Method for preparing superfine lead oxide by using electrode active materials of wasted lead acid batteries |
| 10/24/2012 | CN102747226A Method for treating zinc hydrometallurgy waste residue by using alkali ammonium sulfur coupling method |
| 10/24/2012 | CN102745742A Method for producing titanium-rich material by processing vanadium-titanium-containing blast furnace slag with titanium white waste acid |
| 10/24/2012 | CN102745657A Method for extracting tellurium from tellurium copper slags |
| 10/24/2012 | CN102174237B Polyvinyl alcohol gel medium used for recycling explosion fragments and shooting bullets as well as preparation method and applications thereof |
| 10/24/2012 | CN102134646B Method for directly preparing metallic iron and aluminum concentrate by using aluminum high-iron red mud as raw materials |
| 10/24/2012 | CN101818250B Method for processing cobalt-copper-iron alloy |
| 10/18/2012 | WO2012140998A1 Method for recovering heavy rare earth element |
| 10/18/2012 | WO2012140951A1 Method for recovering valuable metals |
| 10/17/2012 | CN202494332U Novel energy-saving high-efficiency aluminum scarp melting furnace |
| 10/17/2012 | CN202492556U Refining rocking furnace for smelting composition brass |
| 10/17/2012 | CN102738539A Method and apparatus for recovering lithium iron phosphate material from positive plates of waste lithium iron phosphate batteries |
| 10/17/2012 | CN102735047A Method and equipment for depleting furnace slag of electric melting furnace of side-blowing melting pool |
| 10/17/2012 | CN102732736A Method for extracting vanadium from burning slag of stone coal vanadium mine fluidized bed |
| 10/17/2012 | CN102732735A Method for recovering valued metals from melting slag of copper anode slime Kaldo furnace |