| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 11/26/2008 | CN100436614C Methods to reduce hydrosulphide and arsine emissions during wet ore processing |
| 11/26/2008 | CN100436612C Tech. of recovering old silver platinum noble metals from antimony-smelting waste slag |
| 11/26/2008 | CN100436611C Method of purifying cerium by controlling pH |
| 11/26/2008 | CN100436610C Method of eliminating NOx in metallurgy sintering process |
| 11/26/2008 | CN100436609C Heavy-duty material inlay sintering process production technique |
| 11/26/2008 | CN100436601C Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 11/25/2008 | CA2423166C Method for making reduced iron |
| 11/25/2008 | CA2248474C Magnesium compounds from magnesium silicates |
| 11/20/2008 | WO2008140265A1 Method of manufacturing fe and ni containing material, ferronickel mass using the fe and ni containing material and method for manufacturing the ferronickel mass |
| 11/20/2008 | WO2008139893A1 Self-fluxing pellet for blast furnace and method for producing the same |
| 11/20/2008 | WO2008138295A1 Method and device for producing binderless briquettes and briquettes made up of metal chips and metal dusts |
| 11/20/2008 | US20080282843 Process for Removal of the Catalytic Coating Material from Spent, Defective or Unused Metal Support Catalytic Converters |
| 11/20/2008 | US20080282842 Heating the catalytic coating bonded to the steel mantle with an aqueous solution of sodium hydroxide; draining; heating; rinsing with acidic solution; cooling; delamination; no leaching of iron; environmentally friendly; cost efficiency; platinum, palladium, rhodium recovery and reuse |
| 11/20/2008 | DE102007047473B3 Procedure for the production of tube shaped component useful as shielding in a vacuum interrupter, comprises filling a section of a tubular cavity of molten form in axial direction with a low melting metal |
| 11/20/2008 | DE102006021315B4 Verfahren zur Verwertung von zinkhaltigen polymetallischen Stoffen Process for the recovery of zinc-containing substances polymetallic |
| 11/19/2008 | EP1776485B1 Mobile device for the granulation of slag fines |
| 11/19/2008 | EP1163567B1 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 11/19/2008 | CN101310033A Process for producing sintered ore |
| 11/19/2008 | CN101307986A Industrial kiln |
| 11/19/2008 | CN101307372A Device for manufacturing and reducing crust pellet and production process |
| 11/19/2008 | CN100434549C Copper smelting process |
| 11/18/2008 | US7452497 Furnace sidewall structure of rotary hearth furnace |
| 11/18/2008 | CA2531697C Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
| 11/13/2008 | US20080277842 Apparatus for Manufacturing Molten Irons |
| 11/13/2008 | DE102007022682A1 Verfahren und Vorrichtung zur Herstellung von bindemittellosen Briketts sowie Briketts aus Metallspänen und Metallstäuben Method and apparatus for the production of binderless briquettes and briquettes made of metal chips and metal dusts |
| 11/12/2008 | EP1534419B1 Propulsive nozzle injection method in fluidised bed reactors |
| 11/12/2008 | CN101302580A Preparation of all-sefstromite concentrate pellet ore |
| 11/12/2008 | CN101301560A Comprehensive utilization method of sintered pollutant |
| 11/12/2008 | CN100432265C Nickle chromium cobalt iron alloy and its smelting tech. process and equipment of blast furnace opening of blocking slag |
| 11/11/2008 | US7449030 Agglomeration of alumina and binder therefor |
| 11/06/2008 | WO2008131614A1 A SMELTING METHOD OF LOW-P STAINLESS STEEL BASE USING LOW-GRADE IRONSTONE CONTAINING Ni AND Cr |
| 11/06/2008 | US20080272527 Apparatus for injecting gas into a vessel |
| 11/06/2008 | US20080271566 Injecting calcium silicate forming material into metallic oxide impregnated dust stream and collecting blend for safe disposal |
| 11/05/2008 | CN201144268Y Wire rope tensioning device of sprinkler pipe |
| 11/05/2008 | CN201144267Y Calcination device for making high-grade sulfuric-acid residue |
| 11/05/2008 | CN201144266Y Apparatus for preventing chloride ion in ore slurry from corroding stainless steel reactor |
| 11/05/2008 | CN101300366A Method for producing sintered ore and sintering machine therefor |
| 11/05/2008 | CN100430496C Iron ore briquetting |
| 10/29/2008 | EP1287172B1 High purity niobium and products containing the same, and methods of making the same |
| 10/29/2008 | CN101294243A Pelletisation process for iron ore concentrate sintered mix |
| 10/29/2008 | CN101294242A Method for extracting multi-metallic element from high chromium vanadium titanium octahedral iron ore |
| 10/28/2008 | US7442229 Method to improve iron production rate in a blast furnace |
| 10/28/2008 | CA2417413C Method for recovering copper from sulfide ore materials using high temperature pressure leaching, solvent extraction and electrowinning |
| 10/22/2008 | CN201136888Y Cylinder pelletizer for increasing material throwing stripes |
| 10/22/2008 | CN201136887Y Watering device of cylinder pelletizer |
| 10/22/2008 | CN101292051A Method and apparatus for the recovery of refractory mineral ores |
| 10/22/2008 | CN101289713A Production process of vanadium-nitrogen alloy |
| 10/22/2008 | CN101289697A Blast furnace ironmaking raw material and method for preparing same |
| 10/21/2008 | US7438740 Compression molded industrial waste; reducing pollutants |
| 10/21/2008 | US7438730 Mixing and agglomerating metal oxide, a carbonaceous material of coal, coke, charcoal or carbon-containing blast furnace dust and an organic binder, drying and heating to produce a reduced metal from the metal oxide |
| 10/21/2008 | CA2430027C Carbon containing nonfired agglomerated ore for blast furnace and production method thereof |
| 10/16/2008 | US20080253945 Comprises tubular reactor with continuous serpentine path; comprises pretreated feedstock including ilmenite, leueoxene, or titania slag leached with hot hydrochloric acid |
| 10/16/2008 | US20080251616 System and method for treating shredder residues |
| 10/16/2008 | US20080250980 Mixture containing cement binding agent, carbon carrier and recyclable wastes; coagulation; solidification; controlling particle sizes; heat resistance; hardness; high strength; compressive strength |
| 10/15/2008 | EP1980632A1 The agglomeration of metal production dust with geopolymer resin |
| 10/15/2008 | CN101285116A Iron ore adglutinate synergism combustion adjuvant and method for preparing same |
| 10/15/2008 | CN100425714C Process of refining aluminium silicon alloy from coal gangue or flyash |
| 10/15/2008 | CN100425712C Technique for extracting vanadium pentoxide by the pulp resin method |
| 10/15/2008 | CN100425711C Calcium vanadate (phosphate) solid solution vanadium-rich mineral and preparing process thereof |
| 10/14/2008 | US7435405 Providing sulfide ore containing sulfide minerals, and adding an antioxidant of plant polyphenol to sulfide minerals of the ore; antioxidant of pyroligneous acid and/or bamboo vinegar; preventing the elution of heavy metals from the sulfide ore, reducing the decreasein in flotation performance |
| 10/14/2008 | CA2150793C Controlling deposits in the calcination of fluxed iron ore pellets |
| 10/09/2008 | WO2008120913A1 Apparatus and method for manufacturing iron block using iron pieces |
| 10/08/2008 | EP1978117A2 Method for extracting precious metals |
| 10/08/2008 | EP1583847B1 Method and plant for the heat treatment of sulfidic ores using annular fluidized bed |
| 10/08/2008 | CN201128750Y Mineral powder processing unit |
| 10/08/2008 | CN201128749Y System for producing cold bonding block with steel making and steel rolling sludge |
| 10/08/2008 | CN101280369A Method for recovering high-purity molybdenum from molybdenum-containing dead catalyst |
| 10/08/2008 | CN101280367A Method for smelting aluminum ore by carbon thermal reduction and non-ferrous metal smelting furnace therefor |
| 10/08/2008 | CN101280356A Preprocessing method of raw materials for ferrosilicon smelting |
| 10/08/2008 | CN101280355A Closed cumulative multifunctional smelting furnace for non-ferrous metal |
| 10/08/2008 | CN101280354A Environment-friendly alumyte synthesized smelting technical solution |
| 10/08/2008 | CN100424202C Dephosphorization method of phosphorus-containing iron ore |
| 10/08/2008 | CN100424196C Lf furnace steel slag ball |
| 10/08/2008 | CN100424190C Sponge iron for furnace charge and its manufacturing method |
| 10/02/2008 | WO2008117649A1 Method of recovering valuable metal from scrap containing conductive oxide |
| 10/01/2008 | EP1974066A1 Process for sintering on a sintering machine |
| 10/01/2008 | CN101275172A Charging method for blast furnace burden |
| 09/30/2008 | US7429286 Heap bioleaching and biooxidation of precious metal bearing refractory sulfide ores; improved air and fluid flow within the heap; crushing and separating the ore, forming a heap and a concentrate, biooxidation, hydrometallurgical recovery of gold, silver, platinum, or copper |
| 09/30/2008 | CA2417417C Method for recovery of copper from sulfidic ore materials using super-fine grinding and medium temperature pressure leaching |
| 09/25/2008 | WO2008063102A3 Methods and units for pressure aglomeration of charging material |
| 09/25/2008 | WO2007108984A3 Production of iron using environmentally-benign renewable or recycled reducing agent |
| 09/24/2008 | CN201121203Y Abrasion-proof rotary scribing knife |
| 09/24/2008 | CN101270412A Method for producing using aluminum gray and coal gangue composite castoff |
| 09/24/2008 | CN101270410A Cold bonded pellet and method of producing the same |
| 09/24/2008 | CN100420760C 镍的回收 Nickel recovery |
| 09/23/2008 | US7427386 fluorination uranium ore, uranium and/or uranium oxide previously used in as nuclear fuels, then ionization of the uranium fluoride and electrostatically separation of the ionized uranium from the non-ionized fluorine gas |
| 09/17/2008 | CN101265523A Technique for extracting vanadium pentoxide by stone coal ore rotary kiln calcium-process roasting |
| 09/17/2008 | CN101265522A Technique for extracting vanadium pentoxide by tunnel kiln calcification roasting |
| 09/17/2008 | CN101265518A Material block sintering technique for sintering vertical kiln high temperature detoxification chromium slag to smelt iron |
| 09/17/2008 | CN101265517A Technique for sintering vertical kiln high-temperature detoxification chromium slag to self-fluxing sintered material used for blast furnace iron-making |
| 09/11/2008 | US20080219904 Process for enriching uranium containing feed material |
| 09/10/2008 | CN101260460A Technique for producing agglomeration by mixing sulfuric acid residue and concentrate |
| 09/10/2008 | CN101260459A Stone coal vanadium-extracting roasting technique |
| 09/10/2008 | CN101260458A Comprehensive utilization method for high-arsenic pyrite |
| 09/10/2008 | CN101260444A Blast furnace iron-smelting method |
| 09/09/2008 | US7422621 Pyrite is removed from leaching residue by pyrolyzing the residue at 550 degrees C. or higher in a non-oxidative atmosphere to produce calcined ore containing pyrrhotite, precious metals and gangue; and re-leaching the calcined ore in an acidic, aqueous solution |
| 09/03/2008 | EP1786938B1 Salt composition to be used with molten magnesium |
| 09/03/2008 | CN201109791Y Molybdenum ore oxidation sweetening apparatus |
| 09/03/2008 | CN101258251A Method for processing ore to minimize the production of acidic wastes |
| 09/03/2008 | CN101255493A Direct reclaiming method for metals in smelting dust |