| 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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| 03/06/2013 | CN102952951A Method for extracting tantalum and niobium and producing potassium fluosilicate from tungsten smelting slag |
| 03/06/2013 | CN102952950A Method for recovering metal palladium by utilizing ethylenediamine di-succinic acid |
| 03/06/2013 | CN102952949A Ultrasonic smelting method and system device for treating zinc leaching residue, and use of ultrasonic smelting method |
| 03/06/2013 | CN102952948A Separation and purification method of rare earth metals in phosphor powder |
| 03/06/2013 | CN102952947A Comprehensive recovery method of rare metals in waste circuit boards |
| 03/06/2013 | CN102952939A Metal reclamation system for scrap wires and cables |
| 03/06/2013 | CN102345014B Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues |
| 03/06/2013 | CN102312097B Method for preparing babbitt alloy from residue containing silver of copper anode slime |
| 03/06/2013 | CN101886179B Method for separating ferrum, copper and silicon components from copper smelting residues |
| 02/28/2013 | WO2013028126A1 A process for recovering metals and an electrolytic apparatus for performing the process |
| 02/28/2013 | US20130052105 System and Method for Processing Aqueous Solutions |
| 02/28/2013 | US20130047788 Method and device for processing flue dust |
| 02/28/2013 | CA2844044A1 A process for recovering metals and an electrolytic apparatus for performing the process |
| 02/27/2013 | EP2562274A1 Method for melting aluminum powder and melting apparatus |
| 02/27/2013 | EP2562273A1 System and method for recycling rare metals |
| 02/27/2013 | CN202757435U Waste zip-top can depainting and smelting integrative device |
| 02/27/2013 | CN202755037U Device for extracting gold and silver from lead/bismuth-base alloy |
| 02/27/2013 | CN202752587U Waste recovery device of high-order position casting plate machine |
| 02/27/2013 | CN102944110A Smelting furnace for recovering lead from waste lead-acid storage battery |
| 02/27/2013 | CN102943181A Pretreatment process and system of raw materials |
| 02/27/2013 | CN102943180A Method for recycling gold and silver from silver separating residues of copper anode slime |
| 02/27/2013 | CN102943179A Method for recycling indium from waste indium tin oxid (ITO) etching solution |
| 02/27/2013 | CN102943178A Method for recovering titanium in wastewater |
| 02/27/2013 | CN102943177A Method for recovering cooper and silicon powder from organosilicon waste residue |
| 02/27/2013 | CN102220480B Method for removing fluorine and chlorine from zinc oxide smoke dust by microwave roasting |
| 02/27/2013 | CN102206757B Heavy metal recycling method based on municipal solid waste incineration (MSWI) fly ash |
| 02/27/2013 | CN102140581B Process method for producing copper sulfate by using copper scale at normal temperature and normal pressure |
| 02/26/2013 | US8382879 Copper smelting method |
| 02/21/2013 | WO2013025200A1 Electric arc furnace dust recycling apparatus and method |
| 02/21/2013 | WO2013024782A1 Indium recovery method |
| 02/20/2013 | EP2558605A1 Method for recycling of obsolete printed circuit boards |
| 02/20/2013 | CN102939396A Method for recycling of obsolete printed circuit boards |
| 02/20/2013 | CN102936663A Smelting process for copper |
| 02/20/2013 | CN102936662A Device for recycling manganese from electrolytic manganese waste residues |
| 02/20/2013 | CN102936661A Method for decomposing and leaching germanium and indium from lead and zinc alloy residues |
| 02/20/2013 | CN102936660A Method for leaching vanadium from vanadous stone coal roasting slag |
| 02/20/2013 | CN102936659A Closed-circuit process technique for recovering multiple metals from copper and lead electrolysis anode mud |
| 02/20/2013 | CN102936658A Recovery method for platinum, aluminium and rhenium from waste reforming catalyst |
| 02/20/2013 | CN102936657A Method for metal recovery by ceramic capacitor |
| 02/20/2013 | CN102935299A Method for extracting lithium ions by manganese oxide adsorbing material |
| 02/20/2013 | CN102368560B Method for recovering electrode material of battery |
| 02/14/2013 | WO2013022020A1 Method for recovering element and apparatus for recovering element |
| 02/14/2013 | US20130039822 Preparation of chitosan-based microporous composite material and its applications |
| 02/14/2013 | DE102012015812A1 Stahlschrottsortierung Steel scrap sorting |
| 02/13/2013 | CN202734491U Rectangular electric furnace for smelting titanium slag |
| 02/13/2013 | CN202730205U Matte slag separation device |
| 02/13/2013 | CN102925922A Process for recovering plumbum and silver from waste slag of metal smelting |
| 02/13/2013 | CN102925744A Leadless brass alloy and preparation method thereof |
| 02/13/2013 | CN102925719A Method for deep recovery of antimony from arsenic alkali residue leaching solution by using electric potential control |
| 02/13/2013 | CN102925715A Method for selectively recovering silver from copper anode slime |
| 02/13/2013 | CN102925714A Method for selectively recycling gold and silver from copper anode slime |
| 02/13/2013 | CN102925713A Method for recovering rhodium from rhodium-containing waste catalyst in hydroformylation through sulfur |
| 02/13/2013 | CN102925710A Preparation method for non-metallurgical aluminum oxide |
| 02/13/2013 | CN102925709A Method for melting solid frozen slag layer by using melting furnace |
| 02/13/2013 | CN102925708A Manganese recovery method based on capacitance absorption concentration |
| 02/13/2013 | CN102925707A Recovery method for manganese based on electroosmosis technology |
| 02/13/2013 | CN102925706A Method for treating cobalt-nickel-copper hydrometallurgy wastewater residue |
| 02/13/2013 | CN102925705A Method for recovering valuable metals from furnace blocks of silver-refining furnaces |
| 02/13/2013 | CN102925704A Method and equipment for producing copper oxide and ammonia water by using alkaline copper etching liquid waste |
| 02/13/2013 | CN102925703A Method for recycling valuable metals from lead anode slime |
| 02/13/2013 | CN102925702A Process for recovering copper and zinc and tin and lead by utilizing side blown converter at the bottom |
| 02/13/2013 | CN102925701A Method using wet alkaline process of cobalt-nickel (Co-Ni) residue containing arsenic to prepare arsenate |
| 02/13/2013 | CN102925700A Method for recovering precious metal from electronic waste |
| 02/13/2013 | CN102925699A Method for recovering rhodium from dead catalysts containing rhodium of hydroformylation reaction through treatment of hydrogen peroxide |
| 02/13/2013 | CN102925698A Method for desulfurizing waste lead-acid battery diachylon |
| 02/13/2013 | CN102925697A Production technology for recovering copper oxide from waste lithium battery |
| 02/13/2013 | CN102925696A Comprehensive recycling method of waste plasma screen |
| 02/13/2013 | CN102925695A Method for leaching nickel (Ni) and cobalt (Co) from waste high-temperature alloy material |
| 02/13/2013 | CN102925694A Method for remelting in-situ particle reinforced aluminum-based composite material |
| 02/13/2013 | CN102925693A A method for extracting metal in waste catalyst RDS / HDS by using acid leaching |
| 02/13/2013 | CN102925692A Method for treating waste hard alloy |
| 02/13/2013 | CN102925691A Method for recycling lead from lead-containing cathode-ray tube glass in discarded electronic waste |
| 02/13/2013 | CN102925690A Method for recovering valuable metals from waste and old Raney nickel catalyst |
| 02/13/2013 | CN102925689A Method for recovering germanium in waste and old germanium-doped fibers |
| 02/13/2013 | CN102923778A Method for extracting hexavalent chromium in chromium slag and harmlessly treating residual chromium slag |
| 02/13/2013 | CN102921227A Waste acid treatment device and waste acid treatment method |
| 02/13/2013 | CN102268551B Method for producing mischmetal with aluminum oxide red mud |
| 02/13/2013 | CN101981233B Process for recovery of valuable metals from scrap IZO |
| 02/13/2013 | CN101691229B Method for desorbing potassium, sodium, lithium and boron absorbed by magnesium hydrate precipitate by using hydrocarbonate |
| 02/12/2013 | US8372179 Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
| 02/07/2013 | WO2013018710A1 Method for recovering rare earth element |
| 02/06/2013 | EP2553128A1 Improvements in and relating to dross handling methods and apparatus |
| 02/06/2013 | CN202717826U Aluminum skimming recovery device |
| 02/06/2013 | CN102918171A Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/06/2013 | CN102912158A Method for smelting ferrovanadium by fine vanadium slag |
| 02/06/2013 | CN102912147A Process for recycling lead zinc, silver and iron from tailings after carrying out sulphur flotation on zinc oxygen pressure leaching slag |
| 02/06/2013 | CN102912146A Two-membrane process manganese recovery method |
| 02/06/2013 | CN102912145A Comprehensive utilization method for converter slag |
| 02/06/2013 | CN102912144A Method for leaching vanadium pentoxide from vanadium contained smoke ash |
| 02/06/2013 | CN102912143A Method for comprehensively treating indium-containing lead anode slime through whole wet process |
| 02/06/2013 | CN102912142A Method for recycling copper from etching solution through combination of multistage cross current and counter current |
| 02/06/2013 | CN102912141A Method for digesting waste rhodium catalyst from olefin hydroformylation reaction |
| 02/06/2013 | CN102912140A Method for recycling waste aluminum ring-pull cans in green circular relegation way |
| 02/06/2013 | CN102912139A Method for producing titanium or titanium alloy casting through titanium scrap |
| 02/06/2013 | CN102912138A Method of recycling zinc, manganese, lead and silver from zinc electrowinning anode mud |
| 02/06/2013 | CN102912137A Method for recovering cobalt and nickel from waste iron nickel cobalt alloy |
| 02/06/2013 | CN102912136A Method for processing tungsten powder wastes |
| 02/06/2013 | CN102912135A Method for treating molybdenum removal slag |
| 02/06/2013 | CN102912134A Neodymium, iron and boron waste recycling process with approximately zero wastewater discharge |
| 02/06/2013 | CN102912133A Method for classifying and purifying heavy metals in electroplating sludge |