| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 10/28/2009 | CN101565768A Method for producing ferrous powder and co-production titanium slag by rapidly reducing titanium placer pellets by rotary hearth furnace |
| 10/28/2009 | CN100554453C Leaching method for materials after chlorination and oxidation treatment for Nickel oxide ore |
| 10/28/2009 | CN100554448C Method and apparatus for producing reduced metal |
| 10/22/2009 | WO2009127053A1 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/22/2009 | WO2009101435A3 Apparatus and method for comminution of mineral ore using microwave energy |
| 10/22/2009 | CA2721388A1 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/21/2009 | CN201331258Y Device for carnallite dehydration and tail gas purification |
| 10/21/2009 | CN201330272Y Small-space, self-adjusted flexible sealing device |
| 10/21/2009 | CN101563474A Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons provided with the same |
| 10/21/2009 | CN101563473A Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons provided with the same |
| 10/21/2009 | CN101563472A Apparatus for manufacturing compacted irons and apparatus for manufacturing molten iron |
| 10/21/2009 | CN101560599A Thickness control method and control system of mixed material layer |
| 10/21/2009 | CN101560583A Rotary furnace cooling agent made of metallurgical waste material product and using method thereof |
| 10/21/2009 | CN101560582A Rotary furnace cooling agent made of metallurgical waste material product and using method thereof |
| 10/21/2009 | CN101560581A Rotary furnace cooling agent and manufacturing method thereof |
| 10/21/2009 | CN101560578A Performance adjustment material for activating steel slag at high temperature and application thereof |
| 10/21/2009 | CN100552357C multifunctional microwave smelting apparatus for iron sulfide mineral powder desulphurizing roasting and nitriding treatment |
| 10/21/2009 | CN100552064C Method for leaching vanadium by adding sulfate and wet-pile oxidation conversion of ultraanthracite under atmospheric temperature and atmosphere pressure |
| 10/21/2009 | CN100552062C Gold smelting boiling roasting furnace slurry type feeding producing process and its producing device |
| 10/21/2009 | CN100552060C Process for extracting and separating nickel-molybdenum form bone coal ore by high pressure oxygen-ammonia leaching |
| 10/21/2009 | CN100552058C Method for producing briquette for metal raw material |
| 10/21/2009 | CN100552057C Direction reduction and electric furnace smelting-separation preparation process of vanadium-titanium magnetite cold bound pellet |
| 10/15/2009 | WO2009125814A1 Agglomerate, containing titanium oxide, for manufacturing granular metallic iron |
| 10/15/2009 | WO2009125693A1 Production of sintered ore |
| 10/15/2009 | US20090255372 Recycling of superalloys with the aid of an alkali metal salt bath |
| 10/14/2009 | CN101555546A Proportioning regulation method of sintering feed |
| 10/14/2009 | CN101555540A Energy conservation production method for compound temperature reduction agent used in the steel production |
| 10/14/2009 | CN101555539A Al-Ca-Fe complex deoxidizer and preparation method thereof |
| 10/14/2009 | CN101555531A Method for activating and modifying steel slag by residual heat of converter steel slag |
| 10/14/2009 | CN100549193C Method for extracting metal scandium and titanium from red mud |
| 10/08/2009 | WO2009123115A1 Process for production of reduced iron |
| 10/08/2009 | WO2009122922A1 Process for producing cement-bonded ore agglomerates |
| 10/08/2009 | US20090249921 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/08/2009 | CA2719899A1 Method of production of cement bonded agglomerated ore |
| 10/07/2009 | CN201321481Y Novel pellet cooling device |
| 10/07/2009 | CN101551199A Recovery method of steel slag residual heat and system thereof |
| 10/07/2009 | CN101550492A Method for extracting vanadium pentoxide from vanadium-containing ferro phosphorus |
| 10/07/2009 | CN101550491A Method for extracting nickel or cobalt from nickel ore with chloridizing roasting-leaching method |
| 10/07/2009 | CN101550490A Method of extracting nickel from ni-mo ore metallurgical slag |
| 10/07/2009 | CN101550484A Acidic magnesia pellet and preparation method thereof |
| 10/07/2009 | CN101550483A Combined flow path processing method of laterite nickel |
| 10/07/2009 | CN100547091C Iron ore sintering ignition method |
| 10/06/2009 | US7597741 Method of making steel |
| 10/01/2009 | WO2009119291A1 Method for producing iron ore pellet |
| 09/30/2009 | CN101545038A Method for producing iron ore concentrate by using poor-tin sulfide ore tailings |
| 09/30/2009 | CN101545037A Method for producing iron ore concentrate by using poor-tin oxidized ore tailings |
| 09/29/2009 | US7594952 Treatment of smelting by-products |
| 09/29/2009 | CA2450190C Method and device for fine grinding of mineral particles |
| 09/24/2009 | WO2009078662A3 Method for manufacturing binderless briquettes and apparatus for manufacturing the same |
| 09/23/2009 | EP2102372A1 Metohd and apparatus for treating return ores using plasma |
| 09/23/2009 | EP1512475B1 Method for producing metal powder and formed product of raw material for metal |
| 09/23/2009 | CN101541983A Method and device for producing binderless briquettes and briquettes made up of metal chips and metal dusts |
| 09/23/2009 | CN101538645A Technique for roasting and dressing laterite nickel ore |
| 09/23/2009 | CN101538634A Smelting process and device of pure iron |
| 09/23/2009 | CN101538632A Preparation process and device of sponge iron |
| 09/23/2009 | CN101538631A Process and device for smelting ferronickel and nickel-containing molten iron by using lower-nickel materials |
| 09/23/2009 | CN101538630A Process and device for preparing chromium iron by using chromium ore powder |
| 09/23/2009 | CN101538629A Process and device for smelting chromium irons and chromium-containing molten iron by using chromium ore powder |
| 09/23/2009 | CN101537377A Magnetism recovery device for magnetization of feebly magnetic ore by roasting on two pallets |
| 09/23/2009 | CN100543157C Microwave roasting dry type wind magnetic selection method for hematite powder |
| 09/22/2009 | US7591877 Porous mass is formed by compressing cotton-like aggregates containing metal grinding dust under pressure, immediately dipping resultant porous mass in heated solidification assistant, mass impregnated with solidification assistant is immediately transported to drying furnace; reduction of drying time |
| 09/22/2009 | US7591875 Alloying fine adjustment method |
| 09/22/2009 | CA2401253C Method for regulating a roasting furnace |
| 09/17/2009 | US20090229414 System and method for producing metallic iron |
| 09/17/2009 | US20090229413 Method and Apparatus for Recovering Valuable Substance From Lithium Secondary Battery |
| 09/16/2009 | EP2100978A1 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead |
| 09/16/2009 | EP1784514B1 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same |
| 09/16/2009 | CN101532087A Method for preparing metal and hydrogen gas by thermal circulation of carbon dioxide |
| 09/16/2009 | CN101532085A A low-temperature resistant chalking reagent for sintering ores |
| 09/16/2009 | CN101532084A Method for charging iron ore sintering fuel |
| 09/16/2009 | CN101532083A Method for charging iron ore sintering flux and device thereof |
| 09/16/2009 | CN101532082A Iron ore sintering test method |
| 09/16/2009 | CN101532081A Method and device for optimizing sintering solid fuel mixing rate |
| 09/16/2009 | CN101532080A Composition prediction device of sinter product and method thereof |
| 09/16/2009 | CN101532068A Blast furnace ironmaking production process by cyclically utilizing steel slag and iron slag in metallurgy and chemical industry |
| 09/16/2009 | CN101530920A Attapulgite molding method |
| 09/16/2009 | CN100540692C Desulfuration method for high sulfide pyrite powder |
| 09/15/2009 | US7589046 In rotary tube furnace through which gas stream flows, tube-bundle reactors for partial gas-phase oxidation of acrolein to acrylic acid |
| 09/15/2009 | US7588741 Cyclical vacuum chlorination processes, including lithium extraction |
| 09/15/2009 | US7588717 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same |
| 09/15/2009 | CA2547674C Free flowing dry back-up insulating material |
| 09/15/2009 | CA2449696C Method and apparatus for heating a slurry to a predetermined temperature |
| 09/11/2009 | WO2009109024A1 Binder composition for pelletizing iron ore |
| 09/10/2009 | DE102008012183A1 Recovering raw materials from e.g. battery wastes in a shaft-melt furnace with a circuit gas duct by metallurgical reduction, comprises injecting a circulating gas with the oxygen and/or cold combustible wind or hot wind into the furnace |
| 09/09/2009 | EP2098602A1 Iron-based powder material, method for producing the same, and briquette for steelmaking material |
| 09/09/2009 | EP2098601A1 Method for pretreating granular iron ore materials for sintering |
| 09/09/2009 | EP2021518B1 Method and device for chlorination of ore-bearing materials |
| 09/09/2009 | CN101528952A Briquette iron by hot molding and process for producing the same |
| 09/09/2009 | CN101526310A Method and device for recovering after heat of grates of drying grate |
| 09/09/2009 | CN101525693A Method for vulcanization, reducing oxidation and enrichment of low-grade material containing arsenic, indium and germanium |
| 09/09/2009 | CN101525689A Method for preparing carbonaceous autoreduction cold pressing block and application thereof |
| 09/09/2009 | CN101525688A Pellet ore binder |
| 09/09/2009 | CN101525687A On-line ingredient comprehensive balance adjustment method of sintering production |
| 09/09/2009 | CN101525686A Method for manufacturing high strength green ball block by coal-based direct reduction and device therefor |
| 09/09/2009 | CN101525685A High-alkali clinker sodium salt roasting hydrometallurgy method |
| 09/09/2009 | CN101525675A Method for smelting artificial chromium-rich mine |
| 09/09/2009 | CN101524667A Process for dressing ore of powder low grade iron oxide ore |
| 09/09/2009 | CN100537795C Briquette as steelmaking raw material and process for producing the same |
| 09/09/2009 | CN100537794C Composite agglomeration technology of iron powdered ore |
| 09/08/2009 | CA2432014C Plant for the thermal treatment of material and operation process thereof |