| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 05/15/2013 | CN103103345A Extraction process of low-grade, complicated and difficultly separated metal sulfide ore |
| 05/15/2013 | CN103103344A Dressing-smelting combined treatment method for sulfate-containing lead-zinc smelting slags |
| 05/15/2013 | CN103103343A Thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and using method of device |
| 05/15/2013 | CN103103342A Rectangular vertical vacuum furnace for treating arsenic-containing gold mine |
| 05/15/2013 | CN103103341A Control method of iron particle granularity in deep reduction material |
| 05/15/2013 | CN103103340A Method for treating high iron low tin ore by sulfiding volatilizing-magnetizing roasting method |
| 05/15/2013 | CN103103339A Method for selectively recovering alum and gallium from alunite concentrate |
| 05/15/2013 | CN103100719A Technological process for producing zinc powder |
| 05/15/2013 | CN102586584B Method for selectively separating valuable metals from complex lead-containing precious metal material |
| 05/15/2013 | CN102159733B Sintered ore manufacturing method |
| 05/08/2013 | CN103097844A Method for starting a sintering furnace, and sintering equipment |
| 05/08/2013 | CN103088254A Nickel steel bean production method |
| 05/08/2013 | CN103088216A Recovery method of out-of-service titanium tungsten and vanadium powders for denitration of fume |
| 05/08/2013 | CN103088214A Technology for extracting lead from lead slag by using whole wet method |
| 05/08/2013 | CN103088213A Device and method for cooling direct reduction iron |
| 05/08/2013 | CN103088212A Method and equipment for preparing carbon-bearing pellets of coal-based direct reduced iron |
| 05/08/2013 | CN103088211A Method and device for measuring position and temperature of combustion zone in sinter bed |
| 05/08/2013 | CN103088210A Method for selectively leaching nickel and molybdenum from nickel-molybdenum ore |
| 05/08/2013 | CN103088209A Floating and smelting combined method for air-granulating lead smelting slag and utilizing waste heat |
| 05/08/2013 | CN103088208A Method of processing manganese-containing and phosphorus-containing hematite |
| 05/08/2013 | CN103088207A Efficient vanadium extraction method by performing alkali roasting on vanadium mineral |
| 05/08/2013 | CN103088206A Chemical metallurgy method for extracting beryllium oxide from chrysoberyl |
| 05/08/2013 | CN103088205A Beryllium oxide production process |
| 05/08/2013 | CN103088204A Method for extracting lead and molybdenum from lead and molybdenum associated mineral |
| 05/08/2013 | CN103088203A Method for producing fine iron powder by sulfate slag |
| 05/08/2013 | CN103088183A Method for smelting laterite-nickel ores through one-step controlled reduction |
| 05/08/2013 | CN102296181B Method for smelting high-purity nickel-molybdenum alloy by using complex nickel-molybdenum ore |
| 05/08/2013 | CN101906532B Process and equipment for producing soluble low-sulfur molybdenum oxide by cyclic fluidized bed roasting |
| 05/08/2013 | CN101868423B Use of polyols as scale control reagents in the mining processes |
| 05/01/2013 | CN202913036U Air supply system for fluidized bed furnace in process of preparing acid with pyrite |
| 05/01/2013 | CN103080681A Rotary hearth furnace exhaust gas duct apparatus and method for operating same |
| 05/01/2013 | CN103080277A Slurry catalyst and slurry flakes valorization |
| 05/01/2013 | CN103074543A Manufacturing technology of steel containing molybdenum |
| 05/01/2013 | CN103074504A Electrical heating internal resistance electric melting method for decomposing mixed rare earth ore concentrate and electric heating decomposer thereof |
| 05/01/2013 | CN103074495A Method for reclaiming zinc and iron by directly reducing blast furnace gas mud through microwave |
| 05/01/2013 | CN103074494A Method of recovering molybdenum and cobalt from waste cobalt-molybdenum catalyst |
| 05/01/2013 | CN103074489A Processing method of refractory gold ore |
| 05/01/2013 | CN103074487A Iron ore cooled agglomerated pellet binder |
| 05/01/2013 | CN103074486A Method for energy conservation and emission reduction of manganese mineral powder sintering |
| 05/01/2013 | CN103074485A Preparation method of oxidized pellets with coarse-grain hematite as main raw material |
| 05/01/2013 | CN103074484A Method for comprehensively treating phosphorus-containing oolitic hematite and red mud |
| 05/01/2013 | CN103074483A Comprehensive utilization method for ferroboron concentrates by virtue of selective reduction |
| 05/01/2013 | CN103073066A Innocent treatment and resource utilization method for red mud |
| 05/01/2013 | CN102329909B Method for extracting iron particles and zinc powder from dust of steel and iron plant |
| 05/01/2013 | CN102174672B Beneficiation method for high armangite |
| 05/01/2013 | CN101928824B Sinter production method for reducing sintering solid burnup and enhancing intensity |
| 04/25/2013 | US20130101483 Process for extracting metals from aluminoferrous titanoferrous ores and residues |
| 04/25/2013 | US20130098209 Method for Treating Return Ores Using Plasma |
| 04/24/2013 | CN202898485U Cooling device for pellet ore cooling drum |
| 04/24/2013 | CN202898484U Passivating device for pellet ore cooling drum |
| 04/24/2013 | CN202898483U Red mud dealkalization comprehensive utilization production line device |
| 04/24/2013 | CN202897562U Wind power discharging device for high temperature pelletizing of reduction pot |
| 04/24/2013 | CN103060579A Vacuum rotary kiln for treating molybdenite concentrate |
| 04/24/2013 | CN103060572A Method for producing copper bar alloy material by horizontal continuous casting production of scrap copper |
| 04/24/2013 | CN103060568A Method for recovering gold from gold-containing waste charcoal powder |
| 04/24/2013 | CN103060567A Method for processing waste lithium ion battery positive plate to extract valuable metal |
| 04/24/2013 | CN103060548A Method for sintering chromite powder recycled based on ferronickel smelting furnace slag |
| 04/24/2013 | CN103060547A Method for restoring, roasting, purifying, and extracting manganese and iron by utilizing electrolytic manganese slag rotary kiln |
| 04/24/2013 | CN103060546A Direct utilization transformation method of converter sludge |
| 04/24/2013 | CN103060525A Process for high pressure compaction of fluorite ball with sodium silicate as binder |
| 04/24/2013 | CN103060518A Method for preparing steelmaking deoxidization pellets by sliced chip silicon carbide liquid waste |
| 04/24/2013 | CN103060502A Process for one-time reduction melting of ferric silicate by using waste copper residue |
| 04/24/2013 | CN102628098B Boiler with decarbonization and roasting processes for refining vanadium pentoxide |
| 04/24/2013 | CN102586586B Method for magnetizing, roasting and sorting low-grade iron ores |
| 04/24/2013 | CN102534087B Method for preparing metallized pellets by utilizing stannum-zinc-arsenic-contained complex iron ore |
| 04/24/2013 | CN102352423B Method for selecting and smelting titanium from vanadium titanomagnetite at low temperature |
| 04/24/2013 | CN102242257B Flue gas circulation and biomass energy combined iron ore sintering method |
| 04/18/2013 | WO2013054471A1 Method for granulation of sintering raw material |
| 04/17/2013 | CN202881346U Balling disk lining board |
| 04/17/2013 | CN202881345U Flash iron core magnetic roasting catalytic reduction device |
| 04/17/2013 | CN103052726A Pyrometallurgical method |
| 04/17/2013 | CN103052724A Method for producing starting material for sintering |
| 04/17/2013 | CN103052451A Sorting mined material |
| 04/17/2013 | CN103045860A Pelletizing device and pelletizing method for layered wrapped non-homogeneous pellets |
| 04/17/2013 | CN103045859A Chromium-iron mineral powder sintering method for stainless steel production |
| 04/17/2013 | CN103045858A Utilization method of nickeliferous limonite powder |
| 04/17/2013 | CN103045857A Production method for sintering converter granulated slag to produce blast-furnace smelting sintered ore |
| 04/17/2013 | CN103045856A Production method for sintering industrial solid wastes to produce blast-furnace smelting sintered ore |
| 04/17/2013 | CN103045855A Method and system for predicting thickness of sintered ore bed |
| 04/17/2013 | CN103045854A Pretreatment method for chromium powder ore used for smelting production of ferrochrome alloy |
| 04/17/2013 | CN103045853A Process for recovering lead from lead-acid battery paste |
| 04/17/2013 | CN103045852A Method for extracting manganese and silver from manganese ores |
| 04/17/2013 | CN103045851A Technique for decomposing Baotou rare-earth ores |
| 04/17/2013 | CN103045850A Control method for preheating and roasting processes during production of traveling grate machine |
| 04/17/2013 | CN103045849A Pretreatment method for platinum palladium concentrate |
| 04/17/2013 | CN103045848A Preheating device for siderite magnetizing and calcinating rotary kiln and method for preheating lump ore |
| 04/17/2013 | CN102618718B Method for preparing high strength green pellets from steel plant iron-containing dust |
| 04/17/2013 | CN102430482B Method for comprehensively recycling copper, gold and silver from liquid obtained after copper separation of tailings subjected to cyaniding for gold extraction |
| 04/17/2013 | CN102382976B Fluidized boiling roasting furnace |
| 04/17/2013 | CN102363842B Process for recovering arsenic comprehensively by two-section roasting of arsenic-containing and carbon-containing gold concentrates |
| 04/17/2013 | CN102321812B Method for comprehensive utilization of laterite nickel ore |
| 04/17/2013 | CN102312082B Desulphurization technology of molybdenum concentrate |
| 04/17/2013 | CN102275969B Comprehensive utilization method of titanium dioxide waste |
| 04/17/2013 | CN102230075B Dephosphorizing process of molybdenum nickel ore |
| 04/16/2013 | US8420007 Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc |
| 04/16/2013 | US8419824 Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead |
| 04/11/2013 | WO2013019618A3 Ore beneficiation |
| 04/11/2013 | WO2012175770A3 Composition and method for producing mn tablets |
| 04/10/2013 | EP2578703A1 Granular metal production method |
| 04/10/2013 | EP2576850A1 Method for recovering noble metals and other byproducts from ore |