| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 08/11/2010 | CN101798633A Method for treating limonite type oxidized nickel ore by roasting and leaching |
| 08/11/2010 | CN101798625A Method for removing sulfur from fuel before sintering iron ores |
| 08/11/2010 | CN101798624A Method for promoting magnetization reduction of oxidized iron ore with weak magnetism |
| 08/11/2010 | CN101545038B Method for producing iron ore concentrate by using poor-tin sulfide ore tailings |
| 08/11/2010 | CN101525687B On-line ingredient comprehensive balance adjustment method of sintering production |
| 08/11/2010 | CN101481753B Method for smelting nickel-iron alloy from laterite nickel oxide ore |
| 08/11/2010 | CN101476008B Coke-free ironmaking process for titanium-containing magnet placer |
| 08/11/2010 | CN101451196B Wet-smelting method of copper and zinc bulk concentrate |
| 08/11/2010 | CN101307372B Device for manufacturing and reducing crust pellet and production process |
| 08/10/2010 | US7771679 Process for the recovery of titanium dioxide from titanium-containing compositions |
| 08/05/2010 | WO2010087468A1 Carbonaceous material for sintering iron ore |
| 08/05/2010 | WO2010085857A1 Method of agglomeration |
| 08/04/2010 | EP2212252A2 Use of polyols as scale control reagents in the mining processes |
| 08/04/2010 | EP1513850B1 Silicon composition |
| 08/04/2010 | CN201537470U High-efficiency intensive mixer |
| 08/04/2010 | CN101796200A Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron |
| 08/04/2010 | CN101792850A Adhesive used for preparing cold bond pellets from Ramsbottom carbon powder, preparation method and use method thereof |
| 08/04/2010 | CN101348860B Production method of porous active magnetite |
| 07/29/2010 | DE102009005604A1 Walzenzunderbrikettierung Walzenzunderbrikettierung |
| 07/28/2010 | EP2210963A1 Rolling mill scale briquetting with use of paper pulp |
| 07/28/2010 | EP2210962A1 Method of manufacture of self-reducing briquets from rolling scale |
| 07/28/2010 | EP2210960A1 Process for producing hot briquette iron using high-temperature reduced iron, and method and apparatus for temperature control of reduced iron for hot forming for the process |
| 07/28/2010 | CN101790591A Method of producing metals and alloys by carbothermal reduction of metal oxides |
| 07/28/2010 | CN101790590A Process for producing reduced iron pellets, and process for producing pig iron |
| 07/28/2010 | CN101787436A Wet-method preprocessing method for extracting gold through sulfating roasting slag of ore concentrate containing stibium and gold |
| 07/28/2010 | CN101787435A Efficient spray rotation drum type cooling machine for reduced iron |
| 07/28/2010 | CN101787434A Method for recovering iron and tin-lead-zinc from magnetic separation waste residue by rotary kiln through deoxygenation, chloridization and oxidation |
| 07/28/2010 | CN101787433A Chloridizing roasting method of material containing alunite |
| 07/28/2010 | CN101787432A Method for preparing acid-soluble titanium slag from high-titanium slag |
| 07/28/2010 | CN101787431A Method for preparing acid-soluble titanium slag by high titanium slag through microwave irradiation |
| 07/28/2010 | CN101787430A Method for increasing leaching rate of navajoite under navajoite kiln roasting condition |
| 07/28/2010 | CN101787407A Method for reducing and extracting copper smelting waste slag through microwave carbon heating |
| 07/28/2010 | CN101463423B Composite spraying agent for iron sintering ore |
| 07/28/2010 | CN101418389B Method for directly reducing grain nickel iron in rotary kiln by using laterite nickle mine |
| 07/28/2010 | CN101392321B Method for treating nickel-containing laterite by microwave reducing roasting-hematite precipitation conversion method |
| 07/28/2010 | CN101392320B Method for treating nickel-containing laterite by microwave reducing roasting-goethite precipitation conversion method |
| 07/28/2010 | CN101332420B Pelletizing disc feeding disperser |
| 07/22/2010 | WO2010082065A2 Metal recovery process |
| 07/22/2010 | CA2749907A1 Metal recovery process |
| 07/21/2010 | CN101784683A Method for producing briquette with carbonaceous material incorporated therein by use of oil-containing iron-making plant dust |
| 07/21/2010 | CN101781718A Method for extracting metal cobalt and tungsten from scrap hard alloy and special calcining device |
| 07/21/2010 | CN101532085B A low-temperature resistant chalking reagent for sintering ores |
| 07/21/2010 | CN101476047B Method for preparing metal aluminum from aluminum-containing raw material |
| 07/21/2010 | CN101358281B Lateritic ore preprocess method |
| 07/21/2010 | CN101349912B Automatic control system of sintered plant mixture making according to chemical composition |
| 07/21/2010 | CN101343688B Pelletization method for vanadium titanium magnet ore concentrate mixing with additive rough rice shell |
| 07/21/2010 | CN101338363B High titan type low FeO content sinter and method for preparing same |
| 07/20/2010 | US7758740 Electrochemical reduction of metal oxides |
| 07/20/2010 | US7757977 Method for comminution of material |
| 07/20/2010 | CA2514830C A method for increasing the chrome to iron ratio of chromites products |
| 07/20/2010 | CA2470478C High temperature pressure oxidation of ores and ore concentrates containing silver using controlled precipitation of sulfate species |
| 07/15/2010 | WO2010078638A1 Process for implementing and improving pellet feed by using fines from steel works |
| 07/15/2010 | US20100175510 Production method for carbonaceous material-containing metal oxide briquettes |
| 07/14/2010 | CN101778957A Method for ore enrichment by means of hydrophobic, solid surfaces |
| 07/14/2010 | CN101775507A Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite |
| 07/14/2010 | CN101775492A Method for producing ferrum-silicon-aluminium alloy by aluminium ashes and copper slag |
| 07/14/2010 | CN101775489A Method for preparing cold-bonded pellets from iron containing sludge by compound adhesive |
| 07/14/2010 | CN101775488A Method for conveying thermal-state rotary furnace metallized pellets in anharmonic vibration mode |
| 07/14/2010 | CN101775487A Production method of block material for ironmaking by using ferroalloy mineral powder |
| 07/14/2010 | CN101775486A Enclosed magnetic reduction furnace |
| 07/14/2010 | CN101775485A Discarded tailing preconcentration-magnetizing roast iron-extracting and sulphur-reducing beneficiation method of sulphur-smelting cinder |
| 07/14/2010 | CN101775451A Blast-furnace smelting method for vanadium titano-magnetite |
| 07/14/2010 | CN101550490B Method of extracting nickel from ni-mo ore metallurgical slag |
| 07/14/2010 | CN101481752B Self-sealing nitrogen circulating cooling method and apparatus |
| 07/14/2010 | CN101413054B Technology for comprehensively utilizing high ferro aluminiferous material |
| 07/14/2010 | CN101033506B Method of directly leaching zinc ore concentrate or low grade mixing zinc ore under normal pressure and alkaline condition |
| 07/13/2010 | US7754280 Silver/carbon-based material and method for producing the same for contact material |
| 07/08/2010 | WO2010076848A1 Process for separating ingredient from waste soldering paste, and process for recycling of waste soldering paste |
| 07/07/2010 | EP2204459A1 Process for producing pre-reduced iron |
| 07/07/2010 | CN101768664A Binder for metal powder ore cold consolidation so as to substitute for sinter ore and application method thereof |
| 07/07/2010 | CN101768663A Cold bonded iron-carbon pellets, and manufacturing method and applications thereof as ironmaking burden in shaft furnace or blast furnace |
| 07/07/2010 | CN101768662A Utilization method of sulfur-containing magnetite |
| 07/07/2010 | CN101768661A Method for comprehensive utilization of iron and sulfur in tailing containing iron and sulfur |
| 07/01/2010 | WO2010074309A1 Method for reclaiming iron and phosphorus from steelmaking slag |
| 07/01/2010 | WO2010073968A1 Method and device for charging sintering machine with raw material |
| 07/01/2010 | WO2010073718A1 Sintering material granulation method using x-ray ct |
| 07/01/2010 | WO2010072999A2 Sinter process |
| 07/01/2010 | WO2010024545A3 A method for the autothermal manufacture of fired material using a vertical furnace |
| 06/30/2010 | CN101765670A Process for the production of chromium metal nuggets from chromite ores/concentrates |
| 06/30/2010 | CN101760609A Iron ore composite pellet and production method thereof |
| 06/30/2010 | CN101760608A Outlet flue gas temperature regulating device in iron ore pellet engineering equipment |
| 06/29/2010 | US7744847 Upgrading of zircon |
| 06/29/2010 | US7744810 Microwave iron-making furnace |
| 06/29/2010 | US7744674 Producing a fluxing agent used in production of stainless steel by using a hydroxide sludge that from the neutralization of metal-contaminated, steel pickling liquid and contains fluoride-containing compound(s); calcining the sludge; decarburizing a steel heat to form a slag on top and adding a flux |
| 06/24/2010 | US20100154594 Method of Melting A Mixture of Scrap Metal Using Scrap Rubber |
| 06/24/2010 | US20100154593 Production of Metallic Nickel with Low Iron Content |
| 06/24/2010 | US20100154592 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 06/23/2010 | EP2199417A1 Method for producing briquette with carbonaceous material incorporated therein by use of oil-containing iron-making plant dust |
| 06/23/2010 | CN101755065A Use of alumina-carbon agglomerates in the carbothermic production of aluminum |
| 06/23/2010 | CN101755064A Ore-powder caking material for enhancing hot strength, pellet made with the same, and process for producing the same |
| 06/23/2010 | CN101748298A Method for treating laterite nickel ore and producing ferronickel by combining tunnel kiln prereduction and melting furnace final reduction |
| 06/23/2010 | CN101748272A Charging briquetting machine |
| 06/23/2010 | CN101748271A Calcining magnetic separation process for iron ore |
| 06/23/2010 | CN101323909B Method of microwave selective reduction roasting-dilute acid leaching nickel oxide ore |
| 06/22/2010 | US7740684 Separating the automobile and electronic waste, washing and/or breaking and/or selecting the separated metal pieces to obtain several piles of homogenous metal;quantitatively combining weights of the different piles and obtaining different combinations of weights; alloying |
| 06/22/2010 | US7740196 Mobile device for granulating slag fines |
| 06/17/2010 | US20100147111 Process of treating metal bearing crushed rock to control respirable dust during transport in the process including a metal concentrating circuit |
| 06/17/2010 | US20100147109 Method and device for producing binderless briquettes and briquettes comprising metal chips and metal dusts |
| 06/16/2010 | CN101738087A The roasting apparatus for concentrated sulfide |
| 06/16/2010 | CN101736148A Sintering-pelletizing additive, preparation method and application thereof |