Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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12/08/2010 | CN101906494A Blast furnace material and blast furnace iron-making method |
12/08/2010 | CN101691635B Alkali-acid double-cycle process for treating brown iron type nickel laterite ore |
12/08/2010 | CN101570821B Sintering method of high proportion specularite concentrate |
12/08/2010 | CN101560582B Rotary furnace cooling agent made of metallurgical waste material product and using method thereof |
12/08/2010 | CN101545037B Method for producing iron ore concentrate by using poor-tin oxidized ore tailings |
12/08/2010 | CN101538631B Process and device for smelting ferronickel and nickel-containing molten iron by using lower-nickel materials |
12/08/2010 | CN101503758B Vanadium ore oxidizing roast composite additive and vanadium ore calcination method |
12/08/2010 | CN101492768B High-efficiency method and equipment for homogeneous mixture of material |
12/08/2010 | CN101492767B Multi-stage whole-granule processing method and equipment for direct reduction of greenball |
12/08/2010 | CN101386908B Magnetization roasting technique system for refractory iron ore powder and roasting technology |
12/08/2010 | CN101381809B Method for preparing sintering ore of vanadium-titanium magnetite ore |
12/08/2010 | CN101314818B Golden shifting process of biological oxidation-torrefaction-cyanidation |
12/08/2010 | CN101220411B Low-temperature concretion adhesive for pellet ore |
12/08/2010 | CN101122442B Iron mineral suspended magnetic baking oven system and baking process |
12/07/2010 | US7846379 Industrial furnace |
12/07/2010 | US7846235 a carbonaceous reducing agent (coal) and iron oxide is fed onto a hearth of a moving hearth reducing-melting furnace and is then heated so that the iron oxide is reduced and melted, metallic iron to be obtained is cooled and is then discharged outside the furnace for recovery |
12/02/2010 | US20100300246 Method of producing non-pyrophoric metallic iron |
12/01/2010 | CN201658965U Cantilever ball pressure machine |
12/01/2010 | CN101903542A Method for production of raw material for use in the production of sintered ore |
12/01/2010 | CN101903541A Method for manufacturing binderless briquettes and apparatus for manufacturing the same |
12/01/2010 | CN101899582A Method for extracting vanadium pentoxide from vanadium slag |
12/01/2010 | CN101899566A High polymer binder for cold bond pellet and preparation method thereof |
12/01/2010 | CN101899565A Process for decomposing Baotou rare earth ore concentrate and treating tail gas by medium-temperature reinforced roasting method |
12/01/2010 | CN101899564A Dressing and smelting process of magnetic iron ore with high manganese content, high sulfur content and high alkalinity |
12/01/2010 | CN101525689B Method for preparing carbonaceous autoreduction cold pressing block and application thereof |
12/01/2010 | CN101514401B Method for efficiently concentrating cobalt and nickel from low-grade nickeliferous laterite ore |
12/01/2010 | CN101400810B Equipment and method for heating as in connection with sintering |
12/01/2010 | CN101397597B Method for producing spongy iron by direct reduction of dry coal powder gasification and hot coal gas fine ore fluidized bed |
12/01/2010 | CN101364087B Sintering, mixing and water adding control method and system |
12/01/2010 | CN101225468B Method for recovering gold, silver, iron and lead from acid calcination slag by magnetization chlorination process |
12/01/2010 | CN101121551B Sphere sponge iron used for treating water and preparation method thereof |
11/30/2010 | US7842119 Solidification product of dust generated during steel making and method for production thereof |
11/30/2010 | CA2414524C Assaying method |
11/25/2010 | US20100294079 Metal oxide-bearing green pellets for reducing furnace, method of production of same, method of reduction of same, and reduction facility |
11/24/2010 | CN201648480U Novel vertical cooler |
11/24/2010 | CN101896627A Self-fluxing pellets for use in a blast furnce and process for the production of the same |
11/24/2010 | CN101892394A Method and device for extracting lithium from lithium mica |
11/24/2010 | CN101892382A Method for extracting high-content nickel, chromium and iron from stainless steel dust |
11/24/2010 | CN101892381A Process for producing pellet by mixing and processing hematite, siderite and vanadium titano-magnetite concentrate |
11/24/2010 | CN101892380A Method for preparing vanadium pentoxide and roasting additive used therein |
11/24/2010 | CN101892379A Magnesium alloy melt stirring device |
11/24/2010 | CN101890505A Superfine cupper powder and preparation method thereof |
11/24/2010 | CN101660041B Method for manufacturing MgO acid pellets by using molybdenum slag |
11/17/2010 | CN201634210U Vanadium-titanium pellet green-ball conveying device |
11/17/2010 | CN101886180A Method for preparing high-activity zinc oxide from electrolytic zinc leaching slag and lead smelting granulated slag |
11/17/2010 | CN101886176A Method for reducing, chloridizing, oxidizing and recovering iron, tin, lead and zinc in waste magnetic separation dreg in rotary kiln without pelletizing |
11/17/2010 | CN101884895A Method for preparing metallurgy aggregates by metal silicon fine powder |
11/17/2010 | CN101586196B Vanadium-extracting process by blank roasting alkali leaching ion exchange method |
11/16/2010 | CA2235214C Extraction of valuable metals from sulphide minerals |
11/10/2010 | EP2247759A2 Method and system for producing metallic iron nuggets |
11/10/2010 | CN101880782A Process for rare-earth smelting resource reclamation and cyclic production |
11/10/2010 | CN101880766A Compound type binder used for pellet |
11/10/2010 | CN101880765A Preparation method of high-titanium type vanadium-titanium magnetite agglomerate added with limonite |
11/10/2010 | CN101880764A Process for roasting stone coal vanadium ore by tunnel car bottom furnace |
11/10/2010 | CN101880763A Method for gathering tellurium by roasting kawazulite and catalyst |
11/10/2010 | CN101880762A Method for utilizing steelmaking red mud dedusting ash |
11/10/2010 | CN101430165B Control method and system for regulating burn-through point position of updraft sintering machine |
11/10/2010 | CN101392307B Environmental friendly energy-saving electric furnace direct steel-making method and device thereof |
11/10/2010 | CN101343686B Comprehensive utilization method for copper containing ferro-sulphur ore |
11/09/2010 | US7828548 Reduction kiln |
11/04/2010 | US20100275730 Method for recycling precious metal from used printed circuit boards |
11/03/2010 | CN201621942U Self-diversion type double-layer drying bed |
11/03/2010 | CN201620182U Chromium residue dry-detoxification reduction cooler |
11/03/2010 | CN201620181U Closed magnetizing reduction furnace |
11/03/2010 | CN101876004A Method for recycling rare metal molybdenum from mineral dressing tailings of molybdenum |
11/03/2010 | CN101875987A Method for smelting low chromium pig iron by utilizing chromium slag |
11/03/2010 | CN101875986A Method for treating iron-containing dusts in steel plant by using melting gasification furnace |
11/03/2010 | CN101555539B Al-Ca-Fe complex deoxidizer and preparation method thereof |
10/28/2010 | WO2010122362A1 Apparatus and method for producing drest iron-ore briquette and/or pellet from steel making converter flue-dust, sludge or red mud |
10/28/2010 | WO2010121338A1 Process for inhibiting particulate emission during friction of heat-treated iron ore pellets and use of an alcohol by-product to inhibit particulate emission |
10/28/2010 | US20100270715 Apparatus for Manufacturing Molten Irons by Hot Compacting Fine Direct Reduced Irons |
10/28/2010 | US20100269636 Direct reduction apparatus and process |
10/28/2010 | CA2759271A1 Process for inhibiting particulate emission during friction of heat-treated iron ore pellets and use of an alcohol by-product to inhibit particulate emission |
10/27/2010 | EP2243844A1 Improved method for recycling steel-plant dust |
10/27/2010 | CN201614167U 输送带送料过程中的防扬灰组件 Conveyor feeding during anti-dust and components |
10/27/2010 | CN1842606B An apparatus for pressing cheek plates and an apparatus for manufacturing briquettes using the same |
10/27/2010 | CN101871072A Method for recovering, smelting and reusing base material in jet mill procedure for sintered NdFeB production |
10/27/2010 | CN101871044A Processing method of high secondary cement copper mixed ores and minerals |
10/27/2010 | CN101492769B Novel method for producing iron ore sintering mine additive |
10/27/2010 | CN101376927B Heat accumulation type rotary hearth furnace-wet separation-buried arc furnace nickel ore smelting method |
10/27/2010 | CN101368235B Pyrogenic pretreatment method for low-grade laterite nickel mine |
10/27/2010 | CN101289713B Production process of vanadium-nitrogen alloy |
10/26/2010 | CA2456191C Iron ore briquetting |
10/26/2010 | CA2456188C Iron ore briquetting |
10/21/2010 | US20100263484 Smelting furnace |
10/21/2010 | US20100263482 Separator and crusher of minerals with microwave energy and method thereof |
10/20/2010 | EP2241381A1 Method of recycling useful metal |
10/20/2010 | CN101868423A Use of polyols as scale control reagents in the mining processes |
10/20/2010 | CN101864524A Clean production technology for processing low-grade laterite-nickel ore by sodium carbonate alkali fusion |
10/20/2010 | CN101864523A Clean production process for processing low-grade laterite-nickel ore by sodium hydroxide alkali fusion method |
10/20/2010 | CN101864520A Method for recovering iron from gold concentrate |
10/20/2010 | CN101864333A High-efficiency activated binder special for steel plant |
10/20/2010 | CN101435021B Acid heap leaching process for cupric oxide ore |
10/19/2010 | US7815710 Metal oxide-containing green pellet for reducing furnace, method for production thereof, method of reduction thereof, and reduction facilities |
10/14/2010 | WO2010117321A1 Method of refining copper bullion comprising antimony and/or arsenic |
10/14/2010 | US20100257978 Process for recovering platinum group metals from ores and concentrates |
10/14/2010 | CA2756917A1 Method of refining copper bullion comprising antimony and/or arsenic |
10/13/2010 | EP2239344A1 Self-fluxing pellets for use in a blast furnce and process for the production of the same |
10/13/2010 | CN1863932B Method for producing sintered ore, method for producing raw material for sintering, granulated pellet, and sintered ore |
10/13/2010 | CN101857915A Pelletizing and calcination method for vanadium-containing stone coal ash |