| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 06/24/2009 | CN101466853A Process for recycling of steel industry iron bearing by-products, pellet obtained in that process and use thereof |
| 06/24/2009 | CN101463423A Composite spraying agent for iron sintering ore |
| 06/24/2009 | CN101463422A Carbon decreasing synergistic agent for iron ore powder sintering |
| 06/24/2009 | CN101463421A Method for producing pellet ore by adding iron scale |
| 06/24/2009 | CN101463420A Method and apparatus for enriching low grade siderite |
| 06/24/2009 | CN100503847C Preheating method and device for sintering mixture |
| 06/17/2009 | EP2069545A1 Liquid or pulp aeration device |
| 06/17/2009 | CN101457291A Equipment for producing oxidized pellet and method for producing oxidized pellet by using the same |
| 06/17/2009 | CN101457290A Comprehensive utilization method of middle and low grade ferro-sulphur ore |
| 06/17/2009 | CN101457289A Method for comprehensive utilization of middle and low grade ferro-sulphur ore and by-production of high-alumina slag and ferrosilicon |
| 06/17/2009 | CN101457288A Method for reducing phosphorus by chloridization separation-weak of high phosphor iron ore |
| 06/17/2009 | CN100500889C Pellet fabrication method for metallurgy sintered balls |
| 06/17/2009 | CN100500888C Method for preparing iron ore concentrate by using microwave to deoxidize weak-magnetic iron minerals |
| 06/17/2009 | CN100500887C Concentration method for iron and boron in low-grade paigeite |
| 06/11/2009 | WO2009071284A1 Method for treating cyclone dust occurring during chlorination of raw materials containing titanium |
| 06/11/2009 | WO2009071006A1 A method of manufacturing v product utilizing fluidization technology |
| 06/10/2009 | EP2066820A1 Process for the heat treatment of metallic residues contaminated by organic compounds, and device for its implementation |
| 06/10/2009 | CN101451186A Bake ore grinding slurry method |
| 06/10/2009 | CN101451185A Comprehensive recovery method for ferro-sulphur ore containing copper, zinc and iron multi-metal |
| 06/10/2009 | CN100497671C Additive for producing hard-to-calcine iron ore pellet |
| 06/10/2009 | CN100497670C Process of fast reducing carbon-containing red mud nickel ore pellet to enriching nickel in a bottom rotating furnace |
| 06/09/2009 | US7544227 Recovering metals trapped in ores and slags by reacting laterites, magnetites or iron oxides with carbon, chloride and water using microwave radiation as the primary energy source; the water, carbon and chloride can be recycled |
| 06/04/2009 | WO2009068452A1 Mold comprising metal residue and carbon carriers |
| 06/04/2009 | US20090139371 Carbothermic aluminum production apparatus, systems and methods |
| 06/04/2009 | DE102007058225A1 Producing heterogeneous grain-refining agent for metallic materials such as melt-admixture for the production of products by casting process, comprises introducing two fine-grain materials in a mixer, and introducing the air into the mixer |
| 06/03/2009 | EP2064358A1 Process for recovering group vi-b metals from spent catalysts |
| 06/03/2009 | EP1781829B1 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same. |
| 06/03/2009 | CN201250264Y Hot and cold braising can hopper used for treatment after minerals are reduced and roasted |
| 06/03/2009 | CN201250263Y Iron ore concentrate producing device by reducing baking of sulphuric acid cinder fluidized bed roaster |
| 06/03/2009 | CN201250262Y System for producing iron ore concentrate by utilizing gold extraction waste slag |
| 06/03/2009 | CN101445871A Mining additive for iron making and sintering pellets and production process thereof |
| 06/03/2009 | CN101445870A Joint adding method for producing fuel flux by sintering iron ore powder and device thereof |
| 06/03/2009 | CN101445869A Method for manufacturing metallic pellets by direct reduction of oxygen-enriched combustion in rotary furnace |
| 06/03/2009 | CN101445868A Technique for proportioning different materials in steel plant |
| 06/03/2009 | CN100494421C Iron ore baking technique |
| 06/03/2009 | CN100494420C Pretreatment method for nickel oxide before sintering |
| 06/03/2009 | CN100493784C Method and device for carrying out a friction chemical reaction |
| 06/02/2009 | CA2284603C Method to lower the formation of clods and the clustering tendency of reducible iron containing agglomerated material, in particular pellets |
| 05/28/2009 | WO2009067606A2 Use of polyols as scale control reagents in the mining processes |
| 05/28/2009 | WO2009066796A1 Method for production of raw material for use in the production of sintered ore |
| 05/28/2009 | WO2009066308A2 Extraction of alumina |
| 05/27/2009 | EP1789598B1 Siloxane composition, agglomerate, and method of preparing agglomerate |
| 05/27/2009 | CN201245694Y Pickling tank atmospheric vent with scrubber |
| 05/27/2009 | CN201245693Y Cooling apparatus on sintering machine |
| 05/27/2009 | CN101443465A Production of iron using environmentally-benign renewable or recycled reducing agent |
| 05/27/2009 | CN101441445A Sintering material balance method and system |
| 05/27/2009 | CN101441444A Sintering status control method in sintering process |
| 05/27/2009 | CN101441443A Data processing method and device of sintering control parameter |
| 05/27/2009 | CN101440429A Method for decomposing ore concentrate containing tantalum, niobium and rare-earth element |
| 05/27/2009 | CN100491562C Fine grained aluminum alloy and its preparing method |
| 05/26/2009 | US7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 05/22/2009 | WO2009063482A2 Extraction of alumina |
| 05/21/2009 | US20090126533 Fume Disposal Process and Fume Disposal System |
| 05/21/2009 | US20090126529 Highly Pure Hafnium Material, Target and Thin Film Comprising the Same and Method for Producing Highly Pure Hafnium |
| 05/20/2009 | EP2059617A2 Dual stage process for the rapid formation of pellets |
| 05/20/2009 | CN101435027A Method for recycling high purity molybdenum from molybdenum-containing spent catalyst |
| 05/20/2009 | CN101435021A Acid heap leaching process for cupric oxide ore |
| 05/20/2009 | CN101435020A Method for producing titanium-rich material from titanium ore concentrate |
| 05/20/2009 | CN101435019A Rotary hearth furnace raw material processing and pelletizing system process |
| 05/20/2009 | CN100489126C Method of reclaiming chemical industry products by using industrial slag containing vanadium, chromium, iron and phosphorous |
| 05/20/2009 | CN100488880C A process to obtain titanium concentrates with high contents of TiO2 and low contents of radionuclide elements from anatase mechanical concentrates |
| 05/19/2009 | US7534407 Recovery of nickel |
| 05/19/2009 | US7534285 Extraction a metal; concentration; minaturization of concentration; extraction; recovering of gold |
| 05/13/2009 | EP2058410A1 Process for treating aqueous lateritic-ore pulps in pressurized acid technology |
| 05/13/2009 | EP1338660B1 Metal oxide-containing green pellet for reducing furnace and method for production thereof, method for reduction thereof |
| 05/13/2009 | CN101432454A Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 05/13/2009 | CN101429613A Hard alloy steel production method |
| 05/13/2009 | CN100487142C Method of extracting valuable element from waste water and waste slag |
| 05/06/2009 | CN101423892A Method for producing oxidized pellet using organic binder fully instead of bentonite |
| 05/06/2009 | CN100485071C Electric furnace smelting recovery method for chronium-nickel alloy element in stainless steel dedusting ash |
| 05/06/2009 | CN100485054C Sintering ore-proportioning method for different kinds of iron material mostly comprising hematite concentrate |
| 05/05/2009 | CA2207518C Method of leaching metal from a heap of comminuted ore |
| 04/29/2009 | EP1978117A4 Method for extracting precious metals |
| 04/29/2009 | CN201228277Y Belt adjusting apparatus of sintered feeder |
| 04/29/2009 | CN101418389A Method for directly reducing grain nickel iron in rotary kiln by using laterite nickle mine |
| 04/29/2009 | CN101418388A Process for producing nickel iron in rotary kiln-blast furnace by using laterite nickle mine |
| 04/29/2009 | CN101418378A Method for adding additive agent in reducing roasting process of laterite nickle mine |
| 04/29/2009 | CN101418371A Application of shaft furnace in baking full-vanadium ferrotitanium ore concentrate pellet ore |
| 04/29/2009 | CN101418370A Novel industrialization method for comprehensive utilization of vanadium ferrotitanium ore concentrate |
| 04/29/2009 | CN101418359A Method for extracting iron and high grade ferro-nickel alloy from laterite nickle mine |
| 04/29/2009 | CN101418356A Method for refining ferro nickel alloy from nickel oxide mine |
| 04/29/2009 | CN100482818C Method for recovering micro-nickel and cobalt from manganese ore |
| 04/29/2009 | CN100482816C Method for reclaiming valuable element from zinc kiln slag |
| 04/29/2009 | CN100482808C Comprehensive utilization technique for low-grade laterite nickel ore |
| 04/23/2009 | WO2009051172A1 Process for producing pre-reduced iron |
| 04/23/2009 | WO2006084273A3 Process for hydrometallurgical treatment of electric arc furnace dust |
| 04/23/2009 | US20090100969 Templates for controlling synthesis of nanoparticles into discrete assemblies |
| 04/22/2009 | EP1831411B9 Extraction process for metals like gold and platinum incl. fine grinding , pulping and oxygenating |
| 04/22/2009 | EP1692319B1 Process for producing iron ore agglomerates with use of sodium silicate containing binder |
| 04/22/2009 | CN101413057A Method for efficiently separating low-ore grade and complicated iron ore |
| 04/22/2009 | CN101413056A Manganese ore reduction calcination method and apparatus |
| 04/22/2009 | CN101413055A Process for directly preparing nickel-iron alloy powder from laterite-nickel ore |
| 04/22/2009 | CN101413054A Technology for comprehensively utilizing high ferro aluminiferous material |
| 04/22/2009 | CN101413053A Additive for strengthening reduction and separation of laterite-nickel ore |
| 04/22/2009 | CN101413052A Energy-saving environment-protective pretreatment apparatus for smelting scrap steel |
| 04/15/2009 | EP1392444A4 Process for sulphide concentration |
| 04/15/2009 | CN201220958Y Grid section pin |
| 04/15/2009 | CN201220957Y Slag pilletizer |
| 04/15/2009 | CN201220956Y Automatic discharge and mixing package integrated apparatus for calcining molybdenum concentrate by internal heating revolving tubular kiln |
| 04/15/2009 | CN201220156Y High-efficient equipment for evenly mixing material |