| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
|---|
| 01/26/2011 | CN101956066A Metallurgical pellet compound binding agent |
| 01/26/2011 | CN101956065A Feeding and pelletizing system for smelting antimony |
| 01/26/2011 | CN101956064A Method for improving cracking temperature of ultrafine-granularity iron ore concentrate powder pellet ore |
| 01/26/2011 | CN101370949B Method for extracting precious metals |
| 01/25/2011 | US7875097 Method of granulating raw material for sintering, and method of manufacturing sintered iron ore |
| 01/25/2011 | CA2470343C Compound of mercaptans usable in an ore floating process |
| 01/20/2011 | DE10018142B4 Kühler und Verfahren zum Kühlen von heißem Schüttgut Cooler and method of cooling hot bulk material |
| 01/19/2011 | EP2274239A1 A process for chlorinating resources containing recoverable metals |
| 01/19/2011 | CN101952463A Apparatus and method for comminution of mineral ore |
| 01/19/2011 | CN101948955A Cylinder quenching and tempering screen for sintering ore |
| 01/19/2011 | CN101948954A Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 01/19/2011 | CN101948953A Method for performing reduction roasting on pyrolusite by using sludge as reducing agent |
| 01/19/2011 | CN101684525B Method for extracting vanadium from vanadium-containing ferrophosphor |
| 01/19/2011 | CN101353711B Carbonaceous material block molten iron bath reduction ironmaking desulphurization method |
| 01/19/2011 | CN101245407B Selecting-smelting method for processing complex hard-washing low ore grade pulmbous sulfide zincium mine |
| 01/18/2011 | CA2544671C Lifter for heat exchanging device, rotary device equipped with the same and method for heat treatment of nickel oxide ore |
| 01/13/2011 | WO2011004907A1 Method for producing starting material for sintering |
| 01/12/2011 | CN201704380U Pollution discharge valve device of undeflow pumps |
| 01/12/2011 | CN101942571A Method for innocently treating and recycling chromium residues and metallurgical waste material |
| 01/12/2011 | CN101942568A Method for recovering noble metal from waste computer and fittings thereof |
| 01/12/2011 | CN101942559A Gold extracting process through low-temperature roasting |
| 01/12/2011 | CN101942558A Method for drying and reducing low-grade latertic nickel ores by using bituminous coal |
| 01/12/2011 | CN101575654B Process and device for preparing iron alloy containing nickel and nickel-chromium |
| 01/12/2011 | CN101363689B Sintering bench section temperature control method, device and system |
| 01/12/2011 | CN101363084B Sodium modification, alcination and vanadium extraction technology of stone coal |
| 01/05/2011 | EP1721675B1 Method for the treatment of shredder residues for producing of a granulate fraction |
| 01/05/2011 | CN201695067U Device for processing mineral powder |
| 01/05/2011 | CN101939449A Metallic briquette manufacturing method |
| 01/05/2011 | CN101935764A Process for extracting gangue wrapped gold |
| 01/05/2011 | CN101935753A Method for reduction roasting of hematite by using sludge as reducer |
| 01/05/2011 | CN101671752B Method for producing directly reduced pellets by adding pore-forming agent and organic binder |
| 01/05/2011 | CN101598934B Method for indirectly controlling sintering end point |
| 01/05/2011 | CN101575667B Experimental device for iron ore pellet roasting process |
| 01/05/2011 | CN101519726B Method for directly roasting and processing spent lithium ion batteries and recycling valuable metals |
| 01/05/2011 | CN101463422B Carbon decreasing synergistic agent for iron ore powder sintering |
| 01/05/2011 | CN101457290B Comprehensive utilization method of middle and low grade ferro-sulphur ore |
| 01/05/2011 | CN101300366B Method for producing sintered ore and sintering machine therefor |
| 01/04/2011 | CA2504934C Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates |
| 01/04/2011 | CA2503016C The process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof |
| 01/04/2011 | CA2335330C Method and apparatus for the beneficiation of ores |
| 12/29/2010 | EP1808502B1 Method and apparatus for producing briquettes from recycled metal raw material |
| 12/29/2010 | CN1842617B Electrochemical reduction of metal oxides |
| 12/29/2010 | CN101932738A Method for producing iron ore pellet |
| 12/29/2010 | CN101928824A Sinter production method for reducing sintering solid burnup and enhancing intensity |
| 12/29/2010 | CN101928823A Sintering method of iron ore powder with high content of crystal water |
| 12/29/2010 | CN101928806A Composite slagging agent for semi-steel making and preparation method thereof and semi-steel making method |
| 12/29/2010 | CN101928024A Method and device for reducing waste gas emission in carnallite dehydrating process |
| 12/29/2010 | CN101643835B Method for improving pelletization in iron ore concentrate pretreatment |
| 12/29/2010 | CN101575668B Method for recovering iron in melting waste slag through flash boiling magnetizing roasting |
| 12/29/2010 | CN101514399B Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 12/29/2010 | CN101445870B Joint adding method for producing fuel flux by sintering iron ore powder and device thereof |
| 12/28/2010 | US7858019 Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons |
| 12/22/2010 | EP2264195A1 Process for producing cement-bonded ore agglomerates |
| 12/22/2010 | CN201678712U Device preventing pellet of calcined dolomite from absorbing moisture in metallic magnesium smelting |
| 12/22/2010 | CN101925679A Method and apparatus for monitoring operability of travelling grate in sintering machine |
| 12/22/2010 | CN101921911A Pellet binder and preparation method thereof |
| 12/22/2010 | CN101921910A Pellet prepared from high-phosphorus iron ore |
| 12/22/2010 | CN101921909A Method for controlling ferrous oxide content in sintering ore |
| 12/22/2010 | CN101921908A Molybdenum concentrate self-heating roasting method and device thereof |
| 12/22/2010 | CN101921885A Ferrotitanium reducing material for maintaining blast furnace and preparation method thereof |
| 12/22/2010 | CN101530920B Attapulgite molding method |
| 12/22/2010 | CN101525685B High-alkali clinker sodium roasting hydrometallurgy method |
| 12/22/2010 | CN101392333B Vanadium-nitrogen alloy preparation method and device |
| 12/21/2010 | US7854787 immersion in alkaline aqueous solutions, then acid solution, melting with flux to separate impurities |
| 12/21/2010 | US7854608 Method and apparatus for heat treatment in a fluidized bed |
| 12/16/2010 | WO2010122362A4 Apparatus and method for producing drest iron-ore briquette and/or pellet from steel making converter flue-dust, sludge or red mud |
| 12/16/2010 | US20100313710 Method and apparatus for manufacturing granular metallic iron |
| 12/15/2010 | CN201670860U Two-filtering apparatus of vanadium nitrogen alloy high-pressure ball-making machine |
| 12/15/2010 | CN201670859U Filtering and recycling device of vanadium and nitrogen alloy high pressure ball making machine |
| 12/15/2010 | CN201670858U Vanadium-nitrogen alloy sintering device |
| 12/15/2010 | CN1926251B Method for the production of a raw sintering mixture |
| 12/15/2010 | CN101914691A Method for extracting nickel and cobalt by processing poor nickel laterite |
| 12/15/2010 | CN101914685A Method for preparing metal iron and zinc/zinc oxide from electric furnace dust |
| 12/15/2010 | CN101914677A Drying and dust-removing apparatus for forced air drying section of chain grate and drying and dust-removing technology |
| 12/15/2010 | CN101914676A Manganese oxide mineral sulfur-based fire reduction method |
| 12/15/2010 | CN101914675A Method for developing and utilizing spathic iron ore |
| 12/15/2010 | CN101914674A Process for high-temperature roasting high-sulfur high-arsenic limonite in rotary kiln |
| 12/15/2010 | CN101914673A Sodium-translated roasting method of vanadium minerals |
| 12/15/2010 | CN101914672A Sinter return fine adjustment method and system |
| 12/15/2010 | CN101912963A Recovery method of magnetic material grinding scraps |
| 12/15/2010 | CN101555546B Proportioning regulation method of sintering feed |
| 12/15/2010 | CN101469378B Method for preparing alsifer from high-alumina fly ash and magnetic beads |
| 12/15/2010 | CN101423892B Method for producing oxidized pellet using organic binder fully instead of bentonite |
| 12/15/2010 | CN101418388B Process for producing nickel iron in rotary kiln-blast furnace by using laterite nickle mine |
| 12/14/2010 | CA2432743C Non-biochemical method to heap leach copper concentrates |
| 12/14/2010 | CA2401556C Method of sintering and sinter bed composition |
| 12/09/2010 | WO2010139789A1 Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material |
| 12/09/2010 | DE102009023928A1 Verfahren zur Herstellung eines Agglomerats A process for preparing an agglomerate |
| 12/09/2010 | CA2764535A1 Method for producing an agglomerate from fines containing metal oxide for use as a blast furnace feedstock |
| 12/08/2010 | CN201664599U Steam preheating device of sintering mixed material ore trough |
| 12/08/2010 | CN1721562B Direct melting method and device |
| 12/08/2010 | CN101910428A Laterite heap leaching with ferrous lixiviants |
| 12/08/2010 | CN101910427A A method of agglomeration of ferroalloy fines such as ferromanganese, ferrochrome and ferrosilicon fines |
| 12/08/2010 | CN101909770A Method of recycling useful metal |
| 12/08/2010 | CN101906535A Recycling method of low-grade lead zinc in pyrite |
| 12/08/2010 | CN101906534A Raw material processing technology for smelting ferrosilicon in submerged arc furnace |
| 12/08/2010 | CN101906533A Low-silicon magnesium-containing pellets and production method thereof |
| 12/08/2010 | CN101906532A Process and equipment for producing soluble low-sulfur molybdenum oxide by cyclic fluidized bed roasting |
| 12/08/2010 | CN101906531A Method for extracting iron, vanadium and titanium from vanadium titano-magnetite |
| 12/08/2010 | CN101906530A Continuous microwave fluidized-bed roasting process |