| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 05/11/2011 | CN101418371B Application of shaft furnace in baking full-vanadium ferrotitanium ore concentrate pellet ore |
| 05/05/2011 | WO2009034482A3 Process for recovering platinum group metals using reductants |
| 05/05/2011 | US20110100161 Method for processing and recycling zinc-rich iron metallurgy side products |
| 05/04/2011 | CN102046819A Process for producing cement-bonded ore agglomerates |
| 05/04/2011 | CN102046817A Method for manufacturing pig iron |
| 05/04/2011 | CN102042810A Laser thickness measuring device of down-draft sintering material layer |
| 05/04/2011 | CN102042764A Method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and a concentrate burner |
| 05/04/2011 | CN102041400A Process and equipment for producing high-content manganese silicon alloy from low-grade ferromanganese ore |
| 05/04/2011 | CN102041388A Method for recycling metal from waste catalyst containing molybdenum and nickel |
| 05/04/2011 | CN102041379A Utilization method of acid remelted iron powder |
| 05/04/2011 | CN102041378A Chlorination segregation method for enriching nickel and cobalt from nickel laterite |
| 05/04/2011 | CN102041377A Method for recovering iron, vanadium and chromium in vanadium-titanium magnetite concentrate |
| 05/04/2011 | CN102041330A Charging material control method of blast-furnace smelting vanadium-titanium magnetite |
| 05/04/2011 | CN101775488B Method for conveying thermal-state rotary furnace metallized pellets in anharmonic vibration mode |
| 05/04/2011 | CN101705353B Multi-functional composite additive for intensifying direct reduction of low-grade superfine hematite |
| 05/04/2011 | CN101693946B Additive and method for extracting vanadium by roasting stone coal ores and preparation method thereof |
| 05/04/2011 | CN101570820B Method for rapidly reducing and roasting as well as synchronously dephosphorizing and extracting iron at high temperature of high-silicon high-phosphorus iron ore |
| 05/04/2011 | CN101524667B Process for dressing ore of powder low grade iron oxide ore |
| 05/04/2011 | CN101487066B Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from iron concentrate |
| 05/04/2011 | CN101441444B Sintering status control method in sintering process |
| 05/04/2011 | CN101177731B Method for preparing sintered ore |
| 05/03/2011 | US7935174 Adjusting CaO, adding a carbonaceous fuel, introducting the muds on to one of the upper floors of a multiple hearth furnace, heating, transfering the muds to the lower floors; lime enables the formation of ferrites of lime, which favour the agglomeration of the dusts; iron, steel works |
| 05/03/2011 | CA2666153C Titaniferous ore beneficiation |
| 05/03/2011 | CA2476283C Metal recovery process |
| 04/28/2011 | WO2009037596A3 Method to improve recovery of gold from double refractory gold ores |
| 04/28/2011 | WO2009037595A3 Process for mercury control during pressure oxidation |
| 04/28/2011 | US20110094942 Method for separating arsenic mineral from copper-bearing material with high arsenic grade |
| 04/27/2011 | EP2314723A1 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same |
| 04/27/2011 | EP2066820B1 Process for the heat treatment of metallic residues contaminated by organic compounds |
| 04/27/2011 | CN102031395A Method for reducing laterite nickel oxide ore by ore smelting electric arc furnace |
| 04/27/2011 | CN102031365A Air-tight water cooling device |
| 04/27/2011 | CN102031364A Method for enhancing intensity of ground hematite pellet preheated pellets |
| 04/27/2011 | CN102031363A Multi-stage roasting method for rare earth ore concentrate and equipment thereof |
| 04/27/2011 | CN102031362A Method for separating iron and zinc from high-iron sphalerit concentrate |
| 04/27/2011 | CN102031361A Method for comprehensively treating and utilizing dust sludge |
| 04/27/2011 | CN102030450A Method for utilizing municipal sludge as raw material of steel industrial sintering ore |
| 04/27/2011 | CN101693950B Double-polymer iron ore pellet organic binder and method for using same |
| 04/27/2011 | CN101665868B Method for utilizing stainless steel removed dust as ironmaking raw material |
| 04/27/2011 | CN101660040B Method for producing stainless iron cakes by using blast furnace dust, stainless precipitator dust and iron scale |
| 04/27/2011 | CN101643843B Composite additive for reinforcing calcination of hematite pellets |
| 04/27/2011 | CN101643839B Method for producing ferroalloy by using pellet |
| 04/27/2011 | CN101643838B Speed automatic control device of chain grating machine in pellet production |
| 04/27/2011 | CN101555531B Method for activating and modifying steel slag by residual heat of converter steel slag |
| 04/27/2011 | CN101413055B Process for directly preparing nickel-iron alloy powder from laterite-nickel ore |
| 04/27/2011 | CN101020960B Pellet for smelting Al-Si alloy and its preparation method |
| 04/26/2011 | US7931886 Agglomeration of titania |
| 04/21/2011 | WO2011044608A1 Method for processing manganese ore fines |
| 04/20/2011 | EP2311997A1 Method and apparatus for charging raw material to be sintered |
| 04/20/2011 | CN102027143A Method and apparatus for charging raw material to be sintered |
| 04/20/2011 | CN102023176A Method for acquiring high temperature characteristics of iron ore powder in sintering process |
| 04/20/2011 | CN102021351A Integrated approach to enriching nickel from nickel oxide laterite ore |
| 04/20/2011 | CN102021324A Method for preparing novel binder for metallurgical pellets |
| 04/20/2011 | CN102021323A Novel binder for metallurgical pellets |
| 04/20/2011 | CN102021322A Method for preparing novel binder for metallurgic pellets |
| 04/20/2011 | CN102021321A Novel binder for metallurgical pellets |
| 04/20/2011 | CN102021320A NOvel binder for metallurgy pellets and preparation method thereof |
| 04/20/2011 | CN102021319A Novel binder for metallurgical pellet and preparation method thereof |
| 04/20/2011 | CN102021318A Magnesian self-fluxed pellet and preparation method thereof |
| 04/20/2011 | CN102021317A Oxidizing roasting process by blending high fluorine chlorine zinc oxide complex material |
| 04/20/2011 | CN102021316A Two-stage roasting smelting process for arsenic-sulfur gold concentrates |
| 04/20/2011 | CN102021315A Process for calcining ammonium metavanadate for preparing powdered vanadium pentoxide |
| 04/20/2011 | CN102021314A Sinter cooler lump ore braking system |
| 04/20/2011 | CN101775507B Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite |
| 04/20/2011 | CN101613804B Method for recovering cadmium from waste nickel-cadmium battery |
| 04/20/2011 | CN101586188B Two-stage roasting mineral smelting integrated technique of laterite |
| 04/20/2011 | CN101538632B Preparation process and device of sponge iron |
| 04/20/2011 | CN101522924B Iron-based powder material, method for producing the same, and briquette for steelmaking material |
| 04/20/2011 | CN101432454B Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 04/14/2011 | WO2011042102A1 Sinter cooler with adjustable cooling gas seal |
| 04/14/2011 | WO2011042101A1 Sinter cooler with seal arrangement towards travelling sinter-bearing chamber |
| 04/14/2011 | WO2011042100A1 Sinter cooler with exchangeable seal |
| 04/13/2011 | EP2309252A1 Method for measuring water content in a compound and water content measuring device |
| 04/13/2011 | CN201793679U Water filling device for disk granulator |
| 04/13/2011 | CN201793678U Fixed scraper for spherical plate of sintering machine |
| 04/13/2011 | CN201793677U Roasting furnace for treating gold concentrate with high copper |
| 04/13/2011 | CN102016080A Process for production of direct-reduced iron |
| 04/13/2011 | CN102015542A Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors |
| 04/13/2011 | CN102012159A Continuous combustion type roasting shaft kiln and roasting method of mineral aggregate thereof |
| 04/13/2011 | CN102010987A Vanadium and titanium pellet ore production process |
| 04/13/2011 | CN102010986A New process for comprehensively recovering serpentine type minerals |
| 04/13/2011 | CN102010985A Method for smelting ferronickel by laterite-nickel ore added by circular sintering machine-submerged arc furnace |
| 04/13/2011 | CN102010984A Method for extracting vanadium in coal gangue |
| 04/13/2011 | CN102010983A Method and equipment for recovering metal member from metal and rubber composite product |
| 04/13/2011 | CN101660017B Process for refining molten iron by directly using low-grade iron ores |
| 04/13/2011 | CN101649392B Pelletizing method of ilmenite concentrates and pellet binder |
| 04/13/2011 | CN101563474B Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons provided with the same |
| 04/13/2011 | CN101532082B Iron ore sintering test method |
| 04/07/2011 | WO2011040344A1 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 04/07/2011 | WO2011038746A1 Acidic dezincification |
| 04/07/2011 | CA2773237A1 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 04/06/2011 | EP2306131A1 Pallet position recognition device of sintering machine and air leak detector |
| 04/06/2011 | EP2304062A1 Process to produce manganese pellets from non-calcinated manganese ore and agglomerate obtained by this process |
| 04/06/2011 | CN102002583A Palletizing method of iron ore powder |
| 04/06/2011 | CN101654736B Suspension stay sintering process and system |
| 04/06/2011 | CN101643806B Method for producing molten iron with high-phosphorus and low-iron refractory iron ore |
| 04/06/2011 | CN101624647B Pellet roasting production technology recycling residual heat and system thereof |
| 04/06/2011 | CN101568657B Apparatus for pressing cheek plates and apparatus for manufacturing compacted irons comprising the same |
| 04/06/2011 | CN101538630B Process and device for preparing chromium iron by using chromium ore powder |
| 04/06/2011 | CN101519721B Method for smelting vanadium-titanium-iron ore concentrate |
| 04/06/2011 | CN101157982B Method for leaching bidery metal by sulfuric acid and inflation agitation leaching trough |