Patents
Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341)
04/2009
04/29/2009CN101418373A Method for extracting germanium from chlorinated distillation slag
04/29/2009CN100482816C Method for reclaiming valuable element from zinc kiln slag
04/29/2009CN100482815C Sulfur slag vacuum volatilizing process for enriching noble metal
04/23/2009WO2009051172A1 Process for producing pre-reduced iron
04/23/2009WO2009050119A1 Recovery of residues containing copper and other valuable metals
04/23/2009WO2009049777A1 Electric furnace with electrode bores for delivering and melting metal powder
04/23/2009CA2700950A1 Recovery of residues containing copper and other valuable metals
04/22/2009CN101413061A Electron beam cold hearth melting recovery method for titanium and titanium alloy chip scrap
04/22/2009CN101413057A Method for efficiently separating low-ore grade and complicated iron ore
04/22/2009CN101413052A Energy-saving environment-protective pretreatment apparatus for smelting scrap steel
04/22/2009CN100480403C A separation process
04/22/2009CN100480402C Method for reclaiming solar battery thin splinter or IC splinter
04/16/2009WO2009047624A1 Device for submerging material into liquid metal by an electromagnetic stirrer
04/16/2009DE102007048962A1 Elektroofen Electric Oven
04/15/2009CN101410538A Method for recycling steelmaking dust
04/09/2009WO2006057812A3 Method and apparatus for decontaiminating molten metal compositions
04/08/2009EP1490375B1 Process for the dissolution of copper metal
04/08/2009CN101403048A Sulphuric acid solvent extraction method for recycling indium from germanium distillation waste acid
04/08/2009CN101403045A Synthetic recovery method for plumbum anode slime slag rich in bismuth
04/08/2009CN101403042A Recovery processing method for cyanogen golden mine tailing
04/08/2009CN101403040A High lead-antimony slag type for anode slime smelting process and its use method
04/08/2009CN100475987C Process and apparatus for recovery of non-ferrous metals from zinc residues
04/08/2009CN100475985C Recovering process of valuable metal from crude bismuth
04/02/2009WO2008083449A3 Process and apparatus for use in recycling composite materials
04/01/2009CN101400607A Method of recovering rare earth element from composition containing rare earth fluoride
04/01/2009CN101397608A Method for enriching and recovering metal platinum and rhodium from waste refractory materials
04/01/2009CN101397607A Chromic slag treatment process by blast furnace reduction method
03/2009
03/26/2009US20090078557 Transverse- flow pyrocatalytic reactor for conversion of waste plastic material and scrap rubber
03/25/2009EP1817437B1 Method of extracting europium(iii) and yttrium(iii) from concentrate of luminophore dust or sludge
03/25/2009CN101395288A Catalyst reprocessing
03/25/2009CN101395287A Waste material processing oven and method
03/25/2009CN101392327A Method for leaching copper in waste printed circuit board by microbiology
03/25/2009CN101392326A Method for recovering gold from all-sliming cyanidation gold extraction slag
03/25/2009CN101392325A Method for extracting gold from waste printed circuit board
03/25/2009CN101392303A Recovery and utilization method of useful element in free-cutting steel refining slag
03/25/2009CN100471968C Method of metal recovery
03/18/2009EP1694425B1 A method of recycling an exhausted selenium filter mass
03/18/2009CN201209160Y Ash and metal separation processor
03/18/2009CN101386915A Method for recovering simple substance arsenic from arsenic sulfide slag
03/18/2009CN101386914A Arsenic alkaline slag pyrogenic processing method
03/18/2009CN101386913A Method for recovering zinc oxide in Zn-containing dust treatment by rotary hearth furnace
03/18/2009CN100469907C Method for processing dust containing zinc of electric furnace
03/18/2009CN100469906C Method of treating sodium-silicon slag by chlorination method
03/12/2009WO2009032675A1 Reformation of hydrogen-containing fluids in a cyclic flow reactor
03/12/2009WO2009032109A1 Direct smelting of zinc bearing compounds to produce metallic zinc
03/12/2009US20090065985 Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment
03/12/2009CA2697762A1 Reformation of hydrogen-containing fluids in a cyclic flow reactor
03/12/2009CA2687755A1 Direct smelting of zinc bearing compounds to produce metallic zinc
03/11/2009CN101381818A Method for preparing intermediate salt during acid leaching and extraction of vanadium pentoxide from vanadium-containing stone coal ash
03/11/2009CN101381817A Method for directly recovering and producing electrowinning cobalt from waste and old lithium ionic cell
03/11/2009CN101381814A Method for preparing rare-earth aluminum silicon alloy by waste aluminum recovery and rare-earth aluminum silicon alloy thereof
03/10/2009CA2288195C Process and device for recovering raw materials from waste and residues
03/05/2009WO2009029463A1 Simplified process for leaching precious metals from fuel cell membrane electrode assemblies
03/05/2009WO2009026617A1 Apparatus for recycling waste metals
03/05/2009CA2697367A1 Simplified process for leaching precious metals from fuel cell membrane electrode assemblies
03/04/2009EP2031089A1 Device and method for selective separation of at least one metal from a phosphation bath
03/04/2009CN101376923A Method for recycling noble metal from spent catalyst
03/03/2009US7498012 Carbonation in two steps, a granulometric separation between the two steps followed by specific desulfurization of the large part, a desodification obtaining the conversion of the PbSO4 contained in the pastel into PbCO3 which can be easily converted into metallic Pb in an oven by the addition of coal
02/2009
02/25/2009CN101372728A Process and apparatus for recovery of non-ferrous metals from zinc residues
02/24/2009US7494637 Continuously feeding into heated reaction chamber biomass material and exogenous metal oxide or its precursor, wherein the metal oxide is capable of forming a hydrolizable metal carbide, to form reaction products; quenching
02/24/2009CA2396839C Lead, zinc and manganese recovery from aqueous solutions
02/18/2009CN201195736Y Apparatus for extracting metal matter from furnace cinder
02/18/2009CN101368231A Method for extracting metal gallium from coal ash
02/12/2009WO2009019955A1 Method for treatment of arsenic-containing nonferrous smelting intermediate product
02/12/2009WO2009019799A1 Method of treating nonferrous smelting intermediate product containing arsenic
02/12/2009US20090038441 dewaxing the Fischer-Tropsch catalyst containing coblat on alumina support using a pressurised near-critical or supercritical fluid selected from alkane, alcohol (isopropanol) or water, leaching alumina with NaOH to form sodium aluminate and cobalt with HNO3 to form cobalt nitrate for reuse
02/12/2009DE202008015431U1 Behandlungsanlage für Flüssigmetall Treatment plant for liquid metal
02/12/2009CA2707387A1 Method of processing non-ferrous smelting intermediates containing arsenic
02/11/2009CN101365813A Production of carbon containing metal graphite spherulite
02/11/2009CN101365810A A dust recycling system for enhanced availability of Corex
02/11/2009CN101362207A Method for recovering rhodium from the organic waste liquor
02/05/2009WO2009017019A1 Method for reducing electric furnace dust
02/04/2009CN101358290A Method for extracting metal aluminum from waste aluminum plastic film
02/04/2009CN101358286A Method for treating copper scum using converter
02/04/2009CN101358285A Stripping method of metal copper foil on waste epoxy circuit board
02/04/2009CN101358284A Stripping method of metal copper foil on waste phenolic circuit board
02/04/2009CN100457930C Method of recycling metallic coated scrap materials
01/2009
01/29/2009WO2009013177A1 Process for the recovery of aluminium from aluminium dross
01/28/2009CN101353728A Heavy metal assisting solvent for incineration of refuse flyash
01/28/2009CN101353727A Method for reclaiming silver and copper in silver-copper alloy scrap
01/28/2009CN101353178A Process for recovering rare earth oxide, process for producing abrasive containing rare earth oxide and polishing method using abrasive
01/27/2009US7481938 Metal compound removal
01/27/2009CA2417422C Method for processing sulfur-bearing materials using high temperature pressure leaching for metal recovery
01/22/2009WO2009011317A1 Method of treating nonferrous smelting intermediary product containing arsenic
01/22/2009WO2009011316A1 Method of treating copper-arsenic compound
01/22/2009US20090022639 Treatment of material containing at least one valuable metal and arsenic to form a valuable metal-depleted scorodite sediment and a pure aqueous solution to be discharged from process; valuable metals are first removed and then arsenic precipitation from solution is performed in two stages
01/22/2009CA2694793A1 Method of processing non-ferrous smelting intermediate containing arsenic
01/22/2009CA2694792A1 Method of processing copper arsenic compound
01/21/2009EP2017227A1 Method of treating arsenic-containing solution
01/21/2009EP2016203A1 Thermal process for separating off heavy metals from ash in agglomerated form
01/21/2009EP2016201A1 Method in connection with steel production
01/20/2009US7479262 Method for separating platinum group element
01/15/2009WO2009008256A1 Apparatus and method for treating waste gas for rotary hearth furnace-type reducing furnace
01/15/2009WO2006110117A3 Method of manufacturing semi-finished product for ferro- and master alloys
01/14/2009CN101343772A Process for recovering electroplating diamond head
01/14/2009CN101343710A Direct feed-in-stove application method for dust separation briquetting of stainless steel
01/13/2009US7476371 Dissolution of copper metal in aqueous alkanolamine to form copper containing aqueous solution
01/13/2009CA2363969C Process for the recovery of residual metal values from smelter waste slags, and from converter slags
01/08/2009US20090011512 Conditioning system and method for use in the measurement of mercury in gaseous emissions
01/07/2009EP2010684A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores
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