| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 09/03/2008 | CN100415909C Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace |
| 09/01/2008 | CA2623628A1 A process for separating iron from other metals in iron containing feed stocks |
| 08/28/2008 | WO2008102240A1 Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
| 08/28/2008 | WO2008101414A1 A process for extracting metals from laterite |
| 08/28/2008 | US20080206386 Device for Eliminating Oversize Pellets from Balling Disks |
| 08/28/2008 | CA2678545A1 Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
| 08/27/2008 | EP1961829A1 Method of granulating sintering raw material and process for producing sintered ore |
| 08/27/2008 | CN201106059Y High-pressure pellet forming machine |
| 08/27/2008 | CN101250624A Technique of dedusting gray for sintered mine |
| 08/27/2008 | CN100413982C Ion-aluminum separation technique of high-alumina brown iron ore |
| 08/26/2008 | US7416882 Treatment of soil impurities; coarse particle sizes; biooxidation |
| 08/26/2008 | US7416712 Extracting metals from arsenosulfidic and/or sulfidic cobalt and/or nickel ore or concentrate by conversion to cobalt monosulfide and/or nickel sulfide by sulfur or sulfur-containing arsenic compounds; sulfiding; leaching of soluble metals and rare earth elements |
| 08/21/2008 | WO2008098525A1 The sand mixture for the production of shaped pieces on the basis of fine grained aluminum granulate or its alloys |
| 08/21/2008 | US20080196551 Fume agglomerates in static bed; reduced iron bearing phase and zinc bearing fumes; high S content allows for relatively high operating temperature without production of molten phases; fast reduction and fuming kinetics, compact technology |
| 08/20/2008 | EP1587964B1 Process for nickel and cobalt extraction from laterite ores |
| 08/20/2008 | CN201102977Y Environment-friendly nickel/cobalt/iron alloy producing system |
| 08/20/2008 | CN201102976Y Device for adding steelmaking sullage in shaft furnace pelletizing production |
| 08/20/2008 | CN101245414A Method for extracting metal from laterite mine |
| 08/20/2008 | CN101245411A Sintered composite additive agent |
| 08/20/2008 | CN101245410A Method for roasting high calcium vanadium slag with fluidizing apparatus |
| 08/20/2008 | CN101245409A Method for producing iron ore concentrate with high arsenic ferro-sulphur ore concentrate |
| 08/20/2008 | CN101245408A Combustion suppressing gas supply device for molten metal and combustion suppressing gas supply method for molten metal |
| 08/20/2008 | CN101245407A Selecting-smelting method for processing complex hard-washing low ore grade pulmbous sulfide zincium mine |
| 08/20/2008 | CN101245276A Sintering catalysis burning-rate accelerator and manufacture method thereof |
| 08/20/2008 | CN100412211C Cementing agent for producing pellet ore and preparing process thereof |
| 08/19/2008 | CA2333377C Mineral collector compositions of fatty hydroxamic acid in admixture with an oil and process of making same |
| 08/14/2008 | WO2008022420A8 Liquid or pulp aeration device |
| 08/13/2008 | EP1956101A1 Process for producing sintered ore and sintering machine |
| 08/13/2008 | EP1481103B1 Method to reduce hydrosulphide and arsine emissions during wet ore processing |
| 08/13/2008 | CN101240376A Raw material preparation method for vanadium-containing mineral matter calcification roasting technique |
| 08/13/2008 | CN101240375A Iron sinter efflorescence-resisting agent and producing method thereof |
| 08/13/2008 | CN101240374A Iron ore sinter additive |
| 08/13/2008 | CN101240373A Chloride salt baking method for vanadium-containing stone coal |
| 08/13/2008 | CN101240372A Method for reducing iron mineral powder during transferring process |
| 08/13/2008 | CN101240371A Method for extracting iron from poor mixed hematite |
| 08/13/2008 | CN100410393C Pre-deoxygenated synthetic pellet for steel making in electric arc furnace and its making process |
| 08/13/2008 | CN100409934C Recycling method for powdered ink |
| 08/07/2008 | US20080184849 Extraction a metal; concentration; minaturization of concentration; extraction; recovering of gold |
| 08/07/2008 | US20080184847 Method for Processing Ore to Minimize the Production of Acidic Wastes |
| 08/06/2008 | EP1769092A4 Improved leaching of base metals |
| 08/06/2008 | CN101235436A Method for preparing organic composite bentonite |
| 08/06/2008 | CN101235435A Circulation fluidized bed calcification baking technique for vanadium-containing combustible mineral |
| 08/06/2008 | CN101235434A Sintering ore pulverization inhibitor |
| 08/06/2008 | CN100408955C Plant for thermal treatment of material and operation process thereof |
| 08/06/2008 | CN100408704C Method for producing nano-magnetic FeO particle by iron extracted and utilized in tin tails |
| 08/06/2008 | CN100408703C Sintering ore additive |
| 07/31/2008 | US20080179788 Method of Forming a Briquette |
| 07/30/2008 | CN101230422A Method for enriching nickel from lateritic nickel with co-production of iron-oxide red |
| 07/30/2008 | CN101230417A Activating agent for producing foam pullets |
| 07/30/2008 | CN101230416A Cheap highly effective binder for pellet ore and preparation method thereof |
| 07/30/2008 | CN101230415A Chromium slag briquetting and pressing technique thereof |
| 07/29/2008 | US7404937 Comprises tubular reactor with continuous serpentine path; comprises pretreated feedstock including ilmenite, leueoxene, or titania slag leached with hot hydrochloric acid |
| 07/29/2008 | US7404924 Flotation device |
| 07/23/2008 | EP1756320A4 Heat exchanger system used in steel making |
| 07/23/2008 | CN101225481A Metallurgical extraction method for molybdenum-tungsten oxide bulk concentrate |
| 07/23/2008 | CN101225468A Method for recovering gold, silver, iron and lead from acid calcination slag by magnetization chlorination process |
| 07/23/2008 | CN101225467A Method for pretreating refractory gold ore by employing microwave calcining |
| 07/23/2008 | CN100404710C Method for producing high-titanium ferroalloy 70 outside the furnace |
| 07/23/2008 | CN100404708C Two-section roasting production process for recovering Au, Cu, Ag, As and S from As and C containing aurin ore |
| 07/23/2008 | CN100404707C Method of extracting gold and silver from arsenic containing aurin ore |
| 07/23/2008 | CN100404704C Brittle formed product and iron-based power material and method for manufacturing these materials |
| 07/22/2008 | US7402191 Process for producing sintering feedstock and apparatus therefor |
| 07/19/2008 | CA2618608A1 Integrated hydrometallurgical and pyrometallurgical processing of base-metal sulphides |
| 07/16/2008 | EP1664354A4 Self-reducing, cold-bonded pellets |
| 07/16/2008 | CN201087207Y Iron alloy material heating system |
| 07/16/2008 | CN101220412A Set technique for extracting cadmium from waste and old nickel-cadmium battery, and producing ferro-nickel alloy |
| 07/16/2008 | CN101220411A Low-temperature concretion adhesive for pellet ore |
| 07/16/2008 | CN101220410A Negative pressure sintering process for end wind box |
| 07/16/2008 | CN100402469C Silicon composition, method for preparing ceramic by using the same, and ceramic obtained thereby |
| 07/10/2008 | WO2008081750A1 Iron-based powder material, method for producing the same, and briquette for steelmaking material |
| 07/10/2008 | WO2008081324A2 Process for reduced alkali consumption in the recovery of silver |
| 07/10/2008 | CA2809742A1 Process for reduced alkali consumption in the recovery of silver |
| 07/10/2008 | CA2809738A1 Process for reduced alkali consumption in the recovery of silver |
| 07/10/2008 | CA2654818A1 Process for reduced alkali consumption in the recovery of silver |
| 07/09/2008 | EP1942201A1 Ore sintering composition and ore sintering method |
| 07/09/2008 | EP1749110B1 Upgrading of zircon |
| 07/09/2008 | EP1740729A4 Combined pre-treatment process for enabling feed material to be charged in direct reduction processes |
| 07/09/2008 | CN201082894Y Vibrating grid plate |
| 07/09/2008 | CN101215640A Method for reclaiming vanadium and rare earth compounds from heavy slag of blast furnace slag |
| 07/09/2008 | CN101215632A Bonding agent for iron ore pellet and preparation method thereof |
| 07/09/2008 | CN101215631A Iron ore fluidized bed magnetizing roasting device |
| 07/09/2008 | CN100400686C Magnesium-refined smelting method by resistance furnace |
| 07/09/2008 | CN100400682C Producing method of ultrapure iron concentrate powder |
| 07/03/2008 | WO2008079537A1 Processing of steel making slags |
| 07/03/2008 | WO2008078936A1 Apparatus for manufacturing compacted irons and apparatus for manufacturing molten iron comprising the same |
| 07/03/2008 | WO2008078916A1 Apparatus for manufacturing compacted irons |
| 07/03/2008 | WO2008078402A1 Method of preparing metal ingot through smelting |
| 07/03/2008 | DE112005000711T5 Zyklische Vakuumchlorierungsprozesse, beinhaltend Lithiumextraktion Cyclic Vakuumchlorierungsprozesse, including lithium extraction |
| 07/02/2008 | EP1937855A1 Method for processing ore to minimize the production of acidic wastes |
| 07/02/2008 | CN201080489Y Device for baking sulfuric acid waste slag for manufacturing iron concentrate utilizing fluidized bed furnace high-temperature residual heat |
| 07/02/2008 | CN101210281A Comprehensive utilization method and device for copper-containing sulfuric acid cool baking slag |
| 07/02/2008 | CN101210280A Comprehensive utilization method for copper-containing sulfuric acid thermal baking slag |
| 07/02/2008 | CN100398678C A process for simultaneous recovery of chromium and iron from chromite ore processing residue |
| 06/26/2008 | WO2008075920A1 Apparatus for pressing cheek plates and apparatus for manufacturing compacted irons comprising the same |
| 06/26/2008 | WO2008075902A1 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons provided with the same |
| 06/26/2008 | WO2008075879A1 Method of manufacturing raw material for stainless melting using feni containing sludge |
| 06/26/2008 | WO2008075865A1 Apparatus for manufacturing compacted irons and apparatus for manufacturing molten iron |
| 06/26/2008 | WO2008075845A1 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons provided with the same |
| 06/26/2008 | WO2008074806A1 Method for obtaining copper from cupriferous arsenosulphide and/or antimony sulphide ores or ore concentrates |
| 06/26/2008 | WO2008074805A1 Method for obtaining copper and precious metals from copper-iron sulphide ores or ore concentrates |