Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
---|
04/02/2014 | CN103695668A Method for extracting metallic tin from tin ore |
04/02/2014 | CN103695646A Method for recovery of gold, silver and iron from gold smelting waste residue |
04/02/2014 | CN103695641A High-calcium consolidation agent for cold-solidifying ball-pressing process and using method of high-calcium consolidation agent |
04/02/2014 | CN103695640A Method for processing high-iron low-tin ore |
04/02/2014 | CN103695639A Method for regulating basicity of sintered ore |
04/02/2014 | CN103695638A Dephosphorization iron upgrading production process of low-grade oolitic high phosphorus hematite |
04/02/2014 | CN103695637A Extracting equipment and extracting process for iron pyrite rich in gold element |
04/02/2014 | CN103695636A Preparation method of electrolytic manganese dioxide |
04/02/2014 | CN103695635A Method for treating high-iron and multi-metal zinc concentrate |
04/02/2014 | CN103695634A Method for producing ferro-nickel alloy from low-grade laterite-nickel ore in half-molten state |
04/02/2014 | CN103695633A Titanium-rich pellet and production method thereof |
04/02/2014 | CN103695632A Method for regulating slagging alkalinity of melt reduction modification furnace by using iron mine tailings |
04/02/2014 | CN103695631A Mineral separation and enrichment process for ferrotitanium oxide ore |
04/02/2014 | CN103695596A Recycling method for producing silicomanganese alloy and medium and low carbon ferromanganese |
04/02/2014 | CN103074489B Processing method of refractory gold ore |
04/02/2014 | CN103031434B Refractory gold ore desulfurizing and dearsenifying method |
04/02/2014 | CN102978382B Manganese oxide reduction system of internal heating type rotary kiln |
04/02/2014 | CN102978381B Technology for producing tungsten trioxide by prilling and roasting of tungsten slag |
04/02/2014 | CN102936650B Method for comprehensively utilizing red mud and high-phosphorus iron ore |
04/02/2014 | CN102816880B Ironmaking and aluminum extraction comprehensive utilization method of high-iron red mud |
04/02/2014 | CN102369409B Dust collection system for calcine transfer container |
04/02/2014 | CN102251100B Method for sintering vanadium-titanium magnetite concentrate at high negative pressure and high air quantity |
04/02/2014 | CN102251099B Method for removing arsenic, sulfur and phosphorus by using thiobacillusacidophilus |
04/02/2014 | CN102057241B Air supply device and high-temperature particulate cooling facility equipped with same air supply device |
04/01/2014 | CA2609931C Method and apparatus for ore processing |
03/27/2014 | WO2014045839A1 Reduced iron cooling device and reduced iron cooling method |
03/27/2014 | WO2014044992A1 Method for the pyrometallurgical processing of steel plant dust resulting from scrap metal smelting |
03/26/2014 | EP2711656A1 Sintering assembly with return of waste heat air to the sintering belt |
03/26/2014 | CN103673572A Sealing device for circular pellet drying machine |
03/26/2014 | CN103673550A Laterite-nickel ore pellet drying machine |
03/26/2014 | CN103667718A Method for recovering Nd (neodymium), Pr (praseodymium), Dy (dysprosium), Co (cobalt) and Fe (iron) simultaneously from NdFeB (neodymium iron boron) oil sludge under CO3-NH3 system |
03/26/2014 | CN103667710A Technology for clean production of vanadium pentoxide employing high-calcium vanadium slag |
03/26/2014 | CN103667692A Combined fluorite powder palletizing adhesion agent and application thereof |
03/26/2014 | CN103667691A High-iron-content pellet for converter steelmaking and preparation method of high-iron-content pellet |
03/26/2014 | CN103667690A Chrome-molybdenum metal self reduction pellet and preparation and direct steel liquid alloying methods thereof |
03/26/2014 | CN103667689A Process for briquetting oxidation pellets from laterite nickel ore |
03/26/2014 | CN103667688A Method for performing boron and iron separation on paigeite |
03/26/2014 | CN103667687A Method for preventing pellets from high temperature reduction bonding in high phosphorus oolitic hematite treatment shaft furnace |
03/26/2014 | CN103667686A Sintering mixture and application thereof |
03/26/2014 | CN103667685A Series preheating method and series preheating system for coal gas of sintering ignition furnace |
03/26/2014 | CN103667684A Block-shaping method for ore powder material |
03/26/2014 | CN103667683A Compound flux of high-MgO sinter ore, and preparation method and application of the compound flux |
03/26/2014 | CN103667682A Side baffle roller for annular ball drying machine |
03/26/2014 | CN103667681A Method for pelletizing iron ore powder |
03/26/2014 | CN103667680A Leaching technology for tailings clinker containing vanadium |
03/26/2014 | CN103667679A Roasting method for metallurgical pellets |
03/26/2014 | CN103667678A Roasting technology of vanadium titano-magnetite oxidized pellet for shaft furnace |
03/26/2014 | CN103667677A Roasting and mineral processing technology of smelting copper slag |
03/26/2014 | CN103667676A Method for purifying molybdenum concentrate through microwave-acid leaching combined technologies |
03/26/2014 | CN103667675A Treatment method of laterite-nickel ore |
03/26/2014 | CN103667572A Gas-based shaft-furnace direct-reduction smelting method for high-chromium-content vanadium-titanium magnetite |
03/26/2014 | CN103060502B Process for one-time reduction melting of ferric silicate by using waste copper residue |
03/26/2014 | CN103045860B Pelletizing device and pelletizing method for layered wrapped non-homogeneous pellets |
03/26/2014 | CN103031441B Recycling method for metallic elements in waste nickel-hydrogen batteries |
03/26/2014 | CN102851489B Method for comprehensive recovery of valuable metals in brown iron type laterite-nickel ores |
03/25/2014 | CA2624296C A method of recovering a valuable metal comprising v, mo and ni, and a system for such recovery |
03/20/2014 | WO2014043205A1 System and method for iron ore byproduct processing |
03/20/2014 | WO2014042136A1 Method for recycling lithium-ion batteries and device therefor |
03/20/2014 | US20140077008 System and method for iron ore byproduct processing |
03/20/2014 | DE112012001499T5 Tantalrückgewinnungsverfahren Tantalum recovery process |
03/19/2014 | CN203487215U Oxygen-enriched shaft furnace roasting system of scherbinaite-containing coal |
03/19/2014 | CN103650079A Process for producing decarbonized reclaimed material from R-Fe-B permanent magnet alloy |
03/19/2014 | CN103645205A Methods for detecting cracking temperature of green pellets |
03/19/2014 | CN103644733A Hot air sintering device and method |
03/19/2014 | CN103643045A Treatment method of vanadium extraction tailings |
03/19/2014 | CN103643043A Comprehensive utilization method of nickel slag |
03/19/2014 | CN103643042A Comprehensive utilization method of lead slag |
03/19/2014 | CN103643038A Paving method for sintering machine's bilayer bedding materials |
03/19/2014 | CN103643037A Separating method of copper and iron-lead in complex copper-iron-lead mixed sulphide ores |
03/19/2014 | CN103643036A Method for processing roasted sand containing iron, indium and zinc through hot-pressing selective leaching |
03/19/2014 | CN103643035A Recovery method of iron in gossan ore |
03/19/2014 | CN103643034A Method for reducing granular ferronickel through laterite-nickel ore in two-stage rotary kiln |
03/19/2014 | CN103643033A Method for reducing titanium in direct reduction iron of seashore titanomagnetite by utilizing composite additive |
03/19/2014 | CN103643032A Method for magnetically roasting weak-magnetic iron ore |
03/19/2014 | CN103643031A Method of mixing and roasting vanadium-containing material |
03/19/2014 | CN103643030A Mineral processing process for preparing qualified iron concentrate by adopting oolitic iron mine as raw material |
03/19/2014 | CN103643029A Reduced iron and aluminum separation method for high-iron bauxite carbon hot-pressed block containing shaft furnace |
03/19/2014 | CN103643028A Rotary kiln for reducing iron powder by utilization of alumina red mud |
03/19/2014 | CN103103342B Rectangular vertical vacuum furnace for treating arsenic-containing gold mine |
03/19/2014 | CN103060579B Vacuum rotary kiln for treating molybdenite concentrate |
03/19/2014 | CN102978379B Leaching method of associated rare earth elements of coal measure strata |
03/19/2014 | CN102745657B Method for extracting tellurium from tellurium copper slags |
03/19/2014 | CN102643977B Molten liquid phase roasting method of chromite |
03/19/2014 | CN102382990B Method of flotation and direct reduction of comprehensively recovered lead, zinc and ferrum in oxidized lead-zinc ore |
03/19/2014 | CN102149831B Process for producing agglomerates of finely particulate iron carriers |
03/18/2014 | US8673055 Improving the recovery of precious metals from recalcitrant refractory ore |
03/13/2014 | WO2014038236A1 Method for leaching gold from gold ore containing pyrite |
03/12/2014 | CN203478933U Drum type roasting device performing roasting on minerals or slags |
03/12/2014 | CN203474872U Ore discharging scraper-trough conveyer with screening function |
03/12/2014 | CN203474871U Multistage flow-state magnetizing roasting furnace of powdered refractory low-grade iron ore |
03/12/2014 | CN103627915A Method of roasting, converting and decomposing fluorine-containing rear earth by calcium compound |
03/12/2014 | CN103627905A Comprehensive recycling technology for iron removal slag and blast furnace soot produced in zinc smelting process adopting high acid leaching wet method |
03/12/2014 | CN103627902A Method for recovering rhodium from inactive noble metal catalyst |
03/12/2014 | CN103627898A Machine shaping method of magnetic separation powder, and application of finished product prepared by method |
03/12/2014 | CN103627897A Iron-rich cooled agglomerated pellet and manufacturing technology and purpose of iron-rich cooled agglomerated pellet |
03/12/2014 | CN103627896A Production method for production of metallurgical dust slime balls |
03/12/2014 | CN103627895A Production method for sintering chromium powder ore by continuous strand sinter machine |
03/12/2014 | CN103627894A Method for sintering vanadium/titanium magnetite concentrate and siderite |
03/12/2014 | CN103627893A Method for preparing agglomerate by using calcium process, dry process and semidry process flue gas desulphurization ash |
03/12/2014 | CN103627892A Method for extracting vanadium from stone coal by utilizing fluidized bed |