| 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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| 01/12/2011 | CN101331240B Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts |
| 01/11/2011 | US7867436 Process and apparatus for use in recycling composite materials |
| 01/06/2011 | US20110001279 Apparatus for recovering platinum group elements |
| 01/05/2011 | EP1721675B1 Method for the treatment of shredder residues for producing of a granulate fraction |
| 01/05/2011 | CN201697459U Impoverishing electric furnace for impoverishing copper and nickel concentrate smelting slag |
| 01/05/2011 | CN101939451A Method and apparatus for processing red mud |
| 01/05/2011 | CN101939449A Metallic briquette manufacturing method |
| 01/05/2011 | CN101935762A Method for comprehensively recycling rare earth oxalate precipitate waste liquid |
| 01/05/2011 | CN101935761A Method for separating copper, selenium and tellurium from lead matte |
| 01/05/2011 | CN101935760A Method for recovering pop cans by using vacuum furnace |
| 01/05/2011 | CN101935759A Method for recycling and treating waste circuit board |
| 01/05/2011 | CN101654741B Method for separating and recovering lithium and cobalt from lithium ion cell |
| 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 | CN101629244B Method for regenerating metallic aluminum and zinc by using scrap aluminum-zinc-iron-silicon alloy |
| 01/05/2011 | CN101519726B Method for directly roasting and processing spent lithium ion batteries and recycling valuable metals |
| 01/05/2011 | CN101476043B Highly energy-saving, consumption-lowering, environment friendly processing smelting furnace for recycling aluminium scrap |
| 01/05/2011 | CN101457306B Waste residue modification method for preparing magnesium metal by pidgeon process |
| 12/29/2010 | WO2010150873A1 Method for separating and recovering elements coexisting in scrap iron |
| 12/29/2010 | WO2010149611A1 Method for safely comminuting lithium-ion batteries |
| 12/29/2010 | WO2010148527A1 Method for thermally processing combustion residues, in particular filter ash, from trash or waste incineration plants and for recovering metal |
| 12/29/2010 | EP2267170A1 Method of recycling used tires |
| 12/29/2010 | EP2265749A1 Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes |
| 12/29/2010 | EP2265372A2 Recovery of rhenium from a rhenium-containing titania catalyst |
| 12/29/2010 | CN101932740A Process for the recovery of precious metals from used and/or defective catalytic carriers |
| 12/29/2010 | CN101928840A Method for recovering gold and silver from waste circuit boards |
| 12/29/2010 | CN101928837A Method for producing silicon-aluminum-barium alloy |
| 12/29/2010 | CN101928836A Method for comprehensively recovering valuable metals from bismuth-containing complex materials |
| 12/29/2010 | CN101928835A Reducing agent produced by electrolytic manganese liquid-preparing waste residue and productive technology of electrolytic manganese mother solution |
| 12/29/2010 | CN101928834A Method for recovering rare precious metals from solution |
| 12/29/2010 | CN101928833A Apparatus for recycling metal cutting chip |
| 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 | CN101613805B Comprehensive recovery method of tungsten and molybdenum from slag of bismith smelting furnace |
| 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 | CN101514399B Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 12/28/2010 | US7857887 Environment-friendly non-noise matte granulation technique |
| 12/22/2010 | EP2264197A1 Metal compound removal |
| 12/22/2010 | EP2262916A1 Selective gold extraction from copper anode slime with an alcohol |
| 12/22/2010 | EP1587962B8 An improved smelting process for the production of iron |
| 12/22/2010 | CN201678713U Lower zinc oxide collection device for rotary kiln head |
| 12/22/2010 | CN1842608B Iron oxide precipitation from acidic iron salt solutions |
| 12/22/2010 | CN101921921A Method for treating arsenic-containing material by using electric arc furnace |
| 12/22/2010 | CN101921919A Comprehensive utilization process of molten copper slag and system thereof |
| 12/22/2010 | CN101921918A Method for recovering metals and plastics from waste plastics containing metal plated layers |
| 12/22/2010 | CN101921917A Method for reclaiming valuable metals from waste lithium batteries |
| 12/22/2010 | CN101921916A Method for recycling metal oxide from waste flue gas denitration catalyst |
| 12/22/2010 | CN101921915A Method and device for recycling substrates by thermally cracking wasted printed circuit boards |
| 12/22/2010 | CN101629242B Comprehensive process technology of solid waste in alumina plant |
| 12/22/2010 | CN101403040B High lead-antimony slag type for anode slime smelting process and its use method |
| 12/22/2010 | CN101194028B Method for processing metallurgical slag |
| 12/21/2010 | US7854787 immersion in alkaline aqueous solutions, then acid solution, melting with flux to separate impurities |
| 12/21/2010 | US7854785 includes cooling step of secondary metallurgy slag by means of passage of air and/or other gas, a breakdown step comprising transformation of several phases present in secondary metallurgy slag into powder, and step of extracting powder, wherein breakdown step is accelerated by forced convection of air |
| 12/16/2010 | WO2010143623A1 Method for recovering water and metals from plating wastewater resulting from washing |
| 12/16/2010 | WO2010122362A4 Apparatus and method for producing drest iron-ore briquette and/or pellet from steel making converter flue-dust, sludge or red mud |
| 12/15/2010 | EP2261383A1 Method, installation and machine to process ladle slag |
| 12/15/2010 | EP2259887A1 Method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements ni, cu, ta, w, re, os, and ir |
| 12/15/2010 | EP1955784B1 A method of recovering the metal from automobile scrap and electronic waste |
| 12/15/2010 | CN101918600A Process for producing metallic lead starting from desulfurized pastel |
| 12/15/2010 | CN101916890A Method for recovering current collector from waste lithium ion battery |
| 12/15/2010 | CN101915501A Aluminum scrap recovery furnace |
| 12/15/2010 | CN101914686A Method for floating and recycling gold and silver by lead and silver slag ultrasonic treatment in zinc electrolysis plant |
| 12/15/2010 | CN101914685A Method for preparing metal iron and zinc/zinc oxide from electric furnace dust |
| 12/15/2010 | CN101914684A Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue |
| 12/15/2010 | CN101914683A Method for high-value and non-waste utilization of cyanidation slag |
| 12/15/2010 | CN101914682A Method for recovering Zn, Pb and Ag from electrolytic zinc acid leaching slag |
| 12/15/2010 | CN101914681A Pollution-free method for treating copper, lead and silver-containing material |
| 12/15/2010 | CN101218359B Process for recovery of metals and equipment therefor |
| 12/14/2010 | US7850901 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 12/14/2010 | CA2401556C Method of sintering and sinter bed composition |
| 12/09/2010 | WO2010140701A1 A metal recovery method using protonemata of moss plants |
| 12/09/2010 | WO2010085635A3 Production of iron from metallurgical waste |
| 12/09/2010 | DE102009023928A1 Verfahren zur Herstellung eines Agglomerats A process for preparing an agglomerate |
| 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 | CN101909899A Method of regenerating metal, regenerated metal, material for lithographic printing plate base, and lithographic printing plate |
| 12/08/2010 | CN101909770A Method of recycling useful metal |
| 12/08/2010 | CN101906542A Method for recovering germanium from flyash by wet process |
| 12/08/2010 | CN101906541A Method for comprehensively utilizing nickel alloy slag |
| 12/08/2010 | CN101624655B Method for removing impurities in waste copper |
| 12/08/2010 | CN101613803B Method for recovering lead from lead paste of waste lead-acid battery |
| 12/08/2010 | CN101487086B Method for separating lead and platinum by zincing |
| 12/02/2010 | US20100300247 Method for producing reduced metal and slag containing oxidized nonferrous metal using an upgraded coal |
| 12/01/2010 | EP2255940A1 Method and device using pyrolysis for recycling used printed circuit board |
| 12/01/2010 | CN101903543A Method for refining copper concentrate |
| 12/01/2010 | CN101899576A Method for recycling lead from lead-acid battery paste |
| 12/01/2010 | CN101899575A Waste lead storage battery acid type wet method process |
| 12/01/2010 | CN101899574A Method for comprehensively reclaiming arsenic caustic dross and sulfur dioxide flue gas in antimony pyrometallurgical smelting |
| 12/01/2010 | CN101899573A Method for processing lead-acid accumulators |
| 12/01/2010 | CN101691633B Method for innocent treatment and comprehensive utilization of manganese slag |
| 12/01/2010 | CN101633983B Method for enhancing recovery rate of zinc fusion casting |
| 12/01/2010 | CN101376923B Method for recycling noble metal from spent catalyst |
| 12/01/2010 | CN101307386B Process for smelting titan dregs in ore-smelting furnace and device |
| 11/30/2010 | CA2462831C Method for manufacturing titanium oxide-containing slag |
| 11/29/2010 | CA2667819A1 A process for the production of rolling mill cast rolls and a rolling mill cast roll |
| 11/24/2010 | CN201648489U Conical-surface millstone separator for separating and recovering metal in smelting tailing |
| 11/24/2010 | CN201648488U Special calcining device for extracting metal cobalt and tungsten from waste hard alloy |
| 11/24/2010 | CN201648192U Anode mud treatment equipment and air-flotation tank thereof |
| 11/24/2010 | CN101896628A Method and arrangement for treating exhaust gases from a suspension smelting furnace |
| 11/24/2010 | CN101892393A Process for separating metallic aluminum |
| 11/24/2010 | CN101892392A Method for extracting yellow gold from gold extracting residue and complex and unmanageable hard-to-deal electrum |
| 11/24/2010 | CN101892391A Method for leaching anode-cathode mixed material of waste nickel-cadmium battery |