| 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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| 09/10/2008 | CN101260471A Complete set of cleaning producing technique for extracting soluble manganese from manganese residue by using anode liquor |
| 09/10/2008 | CN101260470A Technique for processing low-concentration vanadium-containing pickle liquor |
| 09/10/2008 | CN101260469A Method for reclaiming and purifying platinum and rhodium from waste material containing platinum and rhodium |
| 09/09/2008 | US7422621 Pyrite is removed from leaching residue by pyrolyzing the residue at 550 degrees C. or higher in a non-oxidative atmosphere to produce calcined ore containing pyrrhotite, precious metals and gangue; and re-leaching the calcined ore in an acidic, aqueous solution |
| 09/04/2008 | WO2008064083A3 Gallium trichloride injection scheme |
| 09/03/2008 | EP1964936A1 Process for recovering noble metals from electric and electronic wastes |
| 09/03/2008 | CN101258252A Method for separating impurities out of feed stock in copper melts |
| 09/03/2008 | CN101255502A Process for comprehensive recovery of indium, cadmium, thallium and zinc from lead system smoke |
| 09/03/2008 | CN101255501A Method for reclaiming platinum-silver-iodine form platinum-containing silver iodide slag |
| 09/03/2008 | CN101255500A Smelting method for separating value metals from anode mud by firing process and device thereof |
| 09/02/2008 | US7419530 Method for fractional crystallisation of a molten metal |
| 08/28/2008 | WO2007102881A3 Composition for reducing steelmaking slag |
| 08/28/2008 | US20080202287 Process and Equipment for the Treatment of Loads or Residues of Non-Ferrous Metals and Their Alloys |
| 08/27/2008 | EP1961829A1 Method of granulating sintering raw material and process for producing sintered ore |
| 08/27/2008 | EP1960556A2 Method for reprocessing metallurgical dust or grinding dust, and apparatus for carrying out said method |
| 08/27/2008 | CN101250720A Method for electrolytic reduction regenerating waste lead acid accumulator containing lead plaster slob mid lead resource |
| 08/27/2008 | CN101250624A Technique of dedusting gray for sintered mine |
| 08/26/2008 | US7416462 Glass substrate processing method and material removal process using x-ray fluorescence |
| 08/26/2008 | CA2185890C Solder recovery |
| 08/21/2008 | WO2008099774A1 Method of recovering valuable metal from scrap containing conductive oxide |
| 08/21/2008 | WO2008099773A1 Methods of recovering valuable metal from scrap containing electrically conductive oxide |
| 08/21/2008 | WO2008099747A1 Method for recovering platinum group metal from waste |
| 08/21/2008 | WO2008099681A1 Triazinethiol-loaded carbide, method for producing triazinethiol-loaded carbide, method for adsorbing metal ion, and method for recovering metal |
| 08/20/2008 | EP1957683A2 Thermal and electrochemical process for metal production |
| 08/20/2008 | EP1863943A4 Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| 08/20/2008 | EP1587962A4 An improved smelting process for the production of iron |
| 08/20/2008 | CN101248201A Magnesium alloy |
| 08/20/2008 | CN101245417A Method for recycling tungsten from waste liquor with macroreticular weakly base resin |
| 08/20/2008 | CN100412214C Tin dross processor |
| 08/13/2008 | EP1955784A1 A method of recovering the metal from automobile scrap and electronic waste |
| 08/13/2008 | CN201099695Y Complete equipment for abstracting noble metal from waste and old circuit board, circuit board, gold plating plate |
| 08/13/2008 | CN100410395C Recovery method of rhodium |
| 08/13/2008 | CN100409934C Recycling method for powdered ink |
| 08/12/2008 | US7410930 Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer |
| 08/12/2008 | CA2334197C Method for wet granulation of liquid-slag |
| 08/07/2008 | WO2008092614A1 Post-oxidation of nonferrous metallurgical slag |
| 08/06/2008 | CN101238228A Method for recycling scrap containing aluminium-lithium-type alloys |
| 08/06/2008 | CN101235443A Waste aluminum recovery system |
| 08/06/2008 | CN100408955C Plant for thermal treatment of material and operation process thereof |
| 08/06/2008 | CN100408706C Method for separating Te from Rh solution |
| 08/05/2008 | US7407122 Method of processing multicomponent, composite and combined materials and use of so separated components |
| 07/31/2008 | WO2008090672A1 Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 07/31/2008 | WO2008090671A1 Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 07/30/2008 | EP1948361A2 A method for treating bottom ash |
| 07/30/2008 | CN101230470A Method for reclaiming metals by classified electrolysis of electron wastes |
| 07/30/2008 | CN101230469A Method for directly reclaiming metals from electron wastes |
| 07/30/2008 | CN100406591C Method for extracting metal copper from electronical wastes |
| 07/24/2008 | WO2008087684A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 07/24/2008 | WO2008086549A1 Method for reducing oxidic slags and dusts and inductively heatable furnace for carrying out this method |
| 07/24/2008 | CA2675403A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 07/23/2008 | EP1947202A1 Filter powder recycling process |
| 07/23/2008 | CN101225475A Method and device for separating gold slice and solid fragment |
| 07/23/2008 | CN101225474A Precious metals smelting method for anode sludge or nonferrous smelting slag |
| 07/23/2008 | CN101225473A Treatment method and system for etching liquid |
| 07/19/2008 | CA2618608A1 Integrated hydrometallurgical and pyrometallurgical processing of base-metal sulphides |
| 07/16/2008 | CN101220412A Set technique for extracting cadmium from waste and old nickel-cadmium battery, and producing ferro-nickel alloy |
| 07/16/2008 | CN100402680C Pollution-free arsenic alkali slage treating technique |
| 07/16/2008 | CN100402678C Process for separation and production of titanium-rich materials from titanium-containing blast furnace slag |
| 07/16/2008 | CN100402676C Method for recovering valuable metals from electroplating sludge |
| 07/15/2008 | US7399454 Reacting with an aqueous nitric acid solution to non-ferrous metals into the solution which is in contact with solid ferric oxide wherein the metallurgical dust is an iron bearing hazardous waste, and wherein the solid ferric oxide is a non-hazardous waste |
| 07/15/2008 | CA2384451C Base metal recovery from a tailings dump by bacterial oxidation |
| 07/09/2008 | EP1691929A4 Method for recycling aluminum alloy wheels |
| 07/09/2008 | CN101218359A Process for recovery of metals and equipment therefor |
| 07/09/2008 | CN101215647A Roasting technique for extracting vanadium from stone coal vanadium ore |
| 07/09/2008 | CN101215640A Method for reclaiming vanadium and rare earth compounds from heavy slag of blast furnace slag |
| 07/09/2008 | CN101215639A Method for preparing polymerized aluminum from coal gangue |
| 07/09/2008 | CN100400684C Method for recovering noble-metal from waste catalyst |
| 07/08/2008 | US7396514 Electronic controls for pollutant removal |
| 07/08/2008 | US7396380 Method for producing metal foam bodies |
| 07/03/2008 | US20080156144 Method for reducing to metallic chromium the chromium oxide in slag from stainless steel processing |
| 07/02/2008 | CN101210288A Method for reducing to metallic chromium the chromium oxide in slag |
| 07/02/2008 | CN101210286A Secondary reclaiming utilizing device for mechanical shaft kiln high-temperature dry detoxified chromium slag dust |
| 07/02/2008 | CN100398678C A process for simultaneous recovery of chromium and iron from chromite ore processing residue |
| 07/02/2008 | CN100398667C Method for utilizing slag |
| 06/24/2008 | US7389880 Unit and method for processing of shredder residues and uses of a sand fraction produced thus |
| 06/19/2008 | WO2008072330A1 Apparatus for precipitation/separation of excess copper in lead-free solder |
| 06/19/2008 | US20080141829 for recycling the metal of saline slag recycling; recycling powders from gas cleaning filters in furnaces used in the melting aluminum or its residues, such as slag and scrap, in aluminum refineries |
| 06/19/2008 | US20080141828 sludge created in the metal separation is classified, as the process is concerned, into a better and a worse substance fraction based on a predetermined property of the sludge, and the worse substance fraction is removed from the process and the better substance fraction is returned back to the process |
| 06/18/2008 | EP1932929A1 METHOD OF ROASTING V, Mo AND Ni-CONTAINING MATTER, AND ROTARY KILN FOR ROASTING OF V, Mo AND Ni-CONTAINING MATTER |
| 06/18/2008 | CN100395358C Process for recovering and reusing industrial acid-washed metal sludge |
| 06/18/2008 | CN100395357C Harmful impurity eliminating and density increasing roasting process for activated zinc oxide powder and zinc scum |
| 06/18/2008 | CN100395355C Method and apparatus for processing metalline sludge |
| 06/17/2008 | CA2251846C Processing of electrodeposited metal powder in a basic environment |
| 06/12/2008 | WO2008068810A1 Process for recovering valuable metals from waste |
| 06/12/2008 | US20080134482 Method for manufacturing plate core material and method for manufacturing alkaline storage battery |
| 06/11/2008 | CN201071389Y Crushing-desulfurizing-footwork reaction kettle |
| 06/11/2008 | CN101196301A Reverberator for recovery processing waste lead acid accumulator |
| 06/11/2008 | CN101195870A Method for processing waste alloy of nickel cobalt |
| 06/11/2008 | CN101195866A Finery for recycling and processing waste and old lead acid accumulator |
| 06/11/2008 | CN101195865A Method for extracting silver from silver slag |
| 06/11/2008 | CN101195864A Nickel cobalt waste material recycling and processing method |
| 06/11/2008 | CN101195167A Method for purifying powdered iron from steel-smelting sewage sludge coarse grain |
| 06/11/2008 | CN100393895C Method for extracting noble metal from waste print circuit board surface |
| 06/04/2008 | EP1927580A1 Process for making iron powder or microalloyed steel powder from iron oxide powder by oxidation and reduction |
| 06/04/2008 | EP1841699B1 Method for reducing metal oxide slags or glasses and/or for degassing mineral melts and device for carrying out said method |
| 06/04/2008 | CN101194028A Method for processing metallurgical slag |
| 06/04/2008 | CN101191159A Technique for extracting zinc from blast furnace gas mud by using rotary kiln |
| 06/04/2008 | CN101191158A Method for reclaiming metal cadmium from cadmium-containing waste material |
| 06/04/2008 | CN101191150A Comprehensive utilization method for blast furnace gas mud and combustion furnace for processing |
| 06/04/2008 | CN100392123C Recovery of non-ferrous metals from zinc residues |