| 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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| 03/13/2002 | EP0781174B1 Methods of decontaminating soils containing hazardous metals |
| 03/13/2002 | CA2319285A1 A method for neutralizing and recycling spent lithium metal polymer rechargeable batteries |
| 03/12/2002 | US6355904 Method and system for high-temperature waste treatment |
| 03/12/2002 | US6355588 Melting inorganic compounds which generate filter dusts containing metal oxides and/or fluorides, isolating filter dust, melting in furnace in absence of vitrifying amount of silica-containing flux, cooling to solidify |
| 03/12/2002 | US6355155 Method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode |
| 03/12/2002 | US6355089 Process for the manufacture of carbon or low-alloy steel with improved machinability |
| 03/07/2002 | WO2002018663A2 Selective recovery of aluminium, cobalt and platinum values from a spent catalyst composition |
| 03/07/2002 | WO2002018069A1 Process for the treatment of bottom ash from waste incineration plants |
| 03/07/2002 | US20020028162 To recover primarily carbon and stainless steel; waste tires are submerged in reactant metal melt; gas recover arrangment to collect process gases released from the molten metal |
| 03/06/2002 | EP1184469A2 Process for the treatment of metal values containing dust from steelmaking |
| 03/06/2002 | EP1183400A1 Method for separating in an aqueous medium lanthanides and/or actinides by combined complexing-nanofiltration, and novel complexing agents therefor |
| 03/06/2002 | EP0781173B1 Method of decontaminating nuclear waste-containing soil |
| 03/05/2002 | US6352573 Method for the separation and recycling of hot fines in hot briquetting of reduced iron |
| 02/28/2002 | WO2002016660A1 Reduction method using palladium-loaded biological cell as catalyst |
| 02/28/2002 | US20020025283 Process and apparatus for recovery of raw materials from wastes residues |
| 02/27/2002 | EP1042518B1 Oxidising elutriation of contaminated sludge containing iron with separation of zinc and lead |
| 02/27/2002 | EP0906249B1 Method and system for high-temperature waste treatment |
| 02/26/2002 | US6349548 Apparatus and process to extract heat and to solidify molten material particles |
| 02/21/2002 | WO2002014221A1 Process and apparatus for post-treatment of iron oxide |
| 02/20/2002 | CN1336251A Catalysis type ammonia prepn. method, and method of prepn. and recovery of catalyst of ammonia synthesis |
| 02/19/2002 | US6348239 Depositing amorphous film of metal precursor complex on substrate, irradiating film to cause metal complex to undergo reaction which transforms metal complex into metal containing material adherent to substrate |
| 02/14/2002 | WO2002012573A2 Use of oil-charged mill-scale in shaft furnaces and converters after chemical binding and pelleting thereof |
| 02/13/2002 | EP1179605A1 Method of recovering sulfur from leach residues of sulfidic ore processing using distillation and condensation |
| 02/13/2002 | CN1335925A Method and device for melting rare earth magnet scrap and primary molten alloy of rare earth magnet |
| 02/12/2002 | US6346221 Apparatus for recovering materials from waste tires |
| 02/12/2002 | CA2032759C Method of reprocessing zinc- and lead-containing residues from metallurgical plants |
| 02/07/2002 | WO2002009852A2 System and process for removal of pollutants from a gas stream |
| 02/07/2002 | CA2456272A1 System and process for removal of pollutants from a gas stream |
| 02/06/2002 | EP1140382A4 Method for accelerated remediation & method of using an apparatus therefor |
| 02/06/2002 | EP0923405A4 Method for accelerated chemical and/or biological remediation and method of using an apparatus therefor |
| 01/31/2002 | WO2002008474A2 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 01/31/2002 | US20020011133 Furnace flue dust processing method |
| 01/29/2002 | CA2038767C Metallic vapor condenser capable of circulating a liquid metal |
| 01/24/2002 | US20020010089 Mixed metal catalyst comprising a combustible binder, its process of preparation and use |
| 01/23/2002 | CN1078265C Method for producing nickel and iron compound by using waste corrosive liquid containing nickel and iron chloride series |
| 01/17/2002 | WO2002004118A1 Mixed metal catalyst comprising a combustible binder |
| 01/17/2002 | US20020006658 Device for microenfractionating contaminated soil and a method for using the device in the microenfractionation of contaminated material |
| 01/17/2002 | US20020005376 Method for separating oxide from dross, device for separating oxide from dross, and jet solder tank |
| 01/17/2002 | DE10016075C1 Method of removing impurities in ion, involves separating iron and copper phase and copper in iron phase is removed by difference in specific gravity |
| 01/16/2002 | EP1114190A4 Blast furnace with narrowed top section and method of using |
| 01/16/2002 | CN1330985A Innocuous recovering process for waste dry battery |
| 01/16/2002 | CN1077803C 流体萃取 Fluid Extraction |
| 01/15/2002 | US6338748 Hydrometallurgical method for recovery of zinc from electric arc furnace dust |
| 01/15/2002 | US6338446 Removal of coating layer, cores, agitation with abrading elements |
| 01/10/2002 | WO2002002833A2 Preparation of pure ferric chloride from hydrochloric acid solutions by solvent extraction |
| 01/10/2002 | US20020004451 Ruthenium and promoter on catalyst support |
| 01/10/2002 | DE10031988A1 Verfahren und Anlage zur Aufbereitung von beim Sprühkompaktieren in Form von Pulver anfallendem metallischem Overspray-Material Method and apparatus for processing accumulating during spray in the form of powder overspray metallic material |
| 01/10/2002 | DE10027141A1 Waste processing and treatment system without dioxide emissions has optimal air flow temperature setting unit, heater for taking in air flow and heating and treating waste in its interior |
| 01/09/2002 | EP1170395A1 Process and apparatus for treating the pulverized metallic overspray-material during spray compacting |
| 01/09/2002 | EP1170255A2 Process for catalytic ammonia production-preparation and recovery of ammonia synthesis catalyst |
| 01/09/2002 | CN1330723A Method of producing molten iron in duplex furnaces |
| 01/09/2002 | CN1077603C Recovering method of valuable composition from rare earth element-containing material |
| 01/08/2002 | US6337057 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 01/08/2002 | US6336967 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 01/08/2002 | US6336601 Method for separating metallic material from waste printed circuit boards, and dry distillation apparatus used for waste treatment |
| 01/06/2002 | CA2352548A1 Process for catalytic ammonia production-preparation and recovery of ammonia synthesis ruthenium catalyst |
| 01/03/2002 | WO2002103064A1 Method for producing granular metal |
| 01/02/2002 | EP1167556A2 Process for recovery of aluminium from aluminium-bearing solid waste materials by lixiviation |
| 01/02/2002 | EP1165845A2 Method and apparatus for removing undesirable metals from iron-containing materials |
| 01/01/2002 | US6334885 Method of solidifying steel-making slag and material produced by the method |
| 12/27/2001 | WO2001098547A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 12/27/2001 | WO2001098546A1 Method for sulphuric acid treatment and recycling of blast furnace sludge |
| 12/27/2001 | WO2001051676A3 Device and method for obtaining raw materials from liquid slag |
| 12/27/2001 | US20010054331 Process of recovering valuable metal |
| 12/26/2001 | CN1328165A Smelt-reduction process for preparing Al-Si-Fe alloy from Al dregs |
| 12/25/2001 | US6332910 Electric furnace slags and slags for obtaining pig iron |
| 12/25/2001 | US6332909 Processing apparatus, processing system and processing method |
| 12/20/2001 | WO2001041151A3 Nuclear fuel dissolution |
| 12/20/2001 | US20010052376 Carbon or low-alloy steel with improved machinability and process of manufacture of that steel |
| 12/13/2001 | WO2001094651A1 Method of producing a metallized briquette |
| 12/13/2001 | WO2001094009A1 Method for preparing catalyst for use in hydro-refining and method for recovering metal |
| 12/13/2001 | US20010051121 Process for treating alumina-bearing ores to recover metal values therefrom |
| 12/13/2001 | US20010050006 Recycle of grinding sludge |
| 12/13/2001 | DE10027998A1 Process for cleaning precious metal filings contaminated with cooling lubricants comprises heating the filings at elevated temperature with vaporization of the materials |
| 12/12/2001 | EP0783593B1 Method for recovering metal and chemical values |
| 12/12/2001 | CN2464736Y Aluminium stirring machine |
| 12/06/2001 | US20010047699 Method of producing a metallized briquette |
| 12/06/2001 | US20010047698 Separating; briquetting |
| 12/05/2001 | EP1159460A1 Filter-press type electrochemical cell |
| 12/05/2001 | EP0979314B1 Process and device for recovering raw materials from waste and residues |
| 12/05/2001 | EP0866881B1 Process for reclaiming incineration waste |
| 12/05/2001 | CN1325460A Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 12/04/2001 | US6325840 Process for treating by-products from zinc smelting and the like |
| 11/29/2001 | WO2001089747A1 Alloy powder for rare earth magnet and method for extracting the same |
| 11/29/2001 | US20010046251 Method and apparatus for recovering metal values from liquid slag and baghouse dust of an electric arc furnace |
| 11/29/2001 | US20010045378 Method of applying marking to metal sheet for scrap sorting purposes |
| 11/29/2001 | US20010045142 Process for thermal treatment of residual materials containing heavy metal and iron oxide |
| 11/28/2001 | EP1080238B1 Method for processing residues containing at least one non-ferrous metal and/or compounds thereof |
| 11/28/2001 | EP0868226B1 Apparatus and method for waste recycling and conversion |
| 11/28/2001 | CN1323909A Method of extracting zinc from zine slag |
| 11/27/2001 | US6322675 Copper removal system for absorption cooling unit |
| 11/22/2001 | WO2001088258A1 Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals |
| 11/22/2001 | WO2001088211A2 Method for the treatment of work pieces with a palladium colloid solution |
| 11/22/2001 | WO2001088206A1 Method for recovering useful metal from slag generated in steel-making process while treating the slag |
| 11/22/2001 | WO2001056684A9 A method for treatment of flue gas cleaning products |
| 11/22/2001 | CA2404620A1 Method for the treatment of work pieces with a palladium colloid solution |
| 11/21/2001 | EP0990053B1 Process and plant for producing iron smelt in an electric arc furnace by using agglomerated, iron-containing steel work residues |
| 11/21/2001 | EP0792939B1 Method of melting tinned iron scrap |
| 11/21/2001 | CN1323359A Method for the heat treatment of residues containing heavy metals |
| 11/21/2001 | CN1075121C Process and apparatus for recovering metal raw material from wastes and residues |