Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
03/2004
03/18/2004CA2497993A1 Process for recovering platinum group metals from material containing base metals
03/17/2004CN1142299C Process for preparing furnace burden of electrothermal furnace from coking coal powder and ore powder
03/16/2004US6706416 Process for manufacturing corrosion resistant composite metal products
03/11/2004WO2003033193A3 Feedstock materials for semi-solid forming
03/11/2004US20040045590 Method of removing paint applied to magnesium-alloy material
03/11/2004US20040045405 The process of the present invention recovers platinum group metal(s), such as platinum and palladium, from PGM-containing materials containing base metals, such as copper and nickel. The process controls sulfur levels by using solvent extraction
03/10/2004EP1396551A1 Device and method for treating oil-adhered particles
03/10/2004CN1481496A Plant for thermal treatment of material and operation process thereof
03/10/2004CN1480702A Suit type sealing arrangement for sintering bow springs
03/10/2004CN1480250A Recycling method and recycling system for powdered ink
03/04/2004WO2004018717A2 Electrostatically enhanced tribochemical methods and apparatus
03/04/2004WO2004018716A1 Method of granulating sintering material for iron manufacturing
03/04/2004WO2004017706A2 Compound iron and mineral material including mineral rock and fragment iron as an essential element and method of manufacturing it
03/04/2004WO2003087416A9 Process for extracting platinum group metals
03/03/2004EP1392444A1 Process for sulphide concentration
03/03/2004EP1119646B1 Liquid carton waste material recycling process and apparatus
03/03/2004CN1478910A Method of decomposing sulfide and fluoride in rare earth mineral concentrate and rare earth mineral concentate ball forming technology
03/03/2004CN1478909A Gold extraction technology for direct roasting gold raw ore
03/03/2004CN1478908A Method and device for separating iron and titanium to prepare high titanium slag
03/03/2004CN1140641C Process and equipment for preparing sintered ore
02/2004
02/26/2004US20040035252 Thiosulfate lixiviants that include at most only small amounts of copper and/or ammonia and operate at low ph, reduction of polythionates
02/26/2004DE10240224A1 Process for the thermal recovery of zinc comprises adding a zinc-containing secondary raw material as feed material in the form of molded bricks to a shaft kiln
02/26/2004DE10237124A1 Performing reaction, e.g. catalytic cracking, in fluidized particle layer involves suctioning medium to be inserted into particle layer using gaseous propellant medium, mixing with medium and inserting into particle layer
02/25/2004CN2604445Y Agglomerate adding atomited water cooling device
02/25/2004CN2604444Y Ferrous refined powder nodule fritting shaft furnace
02/25/2004CN1139778C Cooling and heat dissipation rate adjustable catalyst boiling-bed roaster
02/19/2004DE10223590B3 Mobile swarf processing device has mobile frame supporting centrifuge and conveyor delivering swarf to its upper central feed opening
02/18/2004CN1475584A Pellelizing technology suitable for biological dump leaching and extracting metal
02/17/2004US6692710 Acid leaching; magnesium compound formed after nickel or cobalt is brought into solution; adding alkali or alkaline earth metal carbonate to produce magnesite; adding hydrogen chloride to produce magnesium chloride; salt formation
02/12/2004WO2003060172A3 Pressure oxidation of ore containing silver
02/12/2004US20040028585 Cooling melt to harden; extraction, separation
02/12/2004US20040026330 Process for the utilization of vanadium from chromium ore as vanadium (V) oxide
02/12/2004US20040025636 Assaying method
02/12/2004US20040025633 Reducing iron oxide to iron; kneading, forming, curing
02/12/2004DE19715839B4 Verfahren und Vorrichtung zur Reinigung von öl- und wasserhaltigen Walzzunderschlämmen Method and apparatus for removing oil and water-based rolling scale sludges
02/11/2004CN1474879A Method for stabilization of fluidized bed in roasting furnace
02/11/2004CN1474878A Method for reducing build-up on roasting furnace grate
02/11/2004CN1138007C Removing As and S elements from high As and high S gold ore concentrate
02/11/2004CN1138006C Method for removing coating from coated spheres
02/10/2004US6690710 High efficiency induction heating and melting systems
02/10/2004US6689189 Particles of silicon, carbon and manganese used as foaming and reducing agents in melts for alloying stainless steels
02/10/2004CA2315780C Method of removing a metallic coating layer from scrap metal pieces
02/05/2004US20040020326 High strength; preventing crumbling
02/05/2004DE10202417B4 Verfahren zur Herstellung eines Beschickungsmaterials zur Verwendung in metallurgischen Verfahren A method for producing a feed material for use in metallurgical processes
02/04/2004EP1386013A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines
02/04/2004CN2601729Y Mixing machine drum capable of improving conglobating rate
02/04/2004CN1473204A Metal oxide-containing green pellet for reducing furnace, method for production thereof, method for reduction thereof, and reduction facilities
02/04/2004CN1137273C Process for preparing ceramic-phase diffusion enhanced alloy and particle enhanced metal-base composition
02/03/2004US6685761 Method for producing beneficiated titanium oxides
02/03/2004US6685466 Metal apparatus comprising kilns for heating and reduction of heat treated mixtures of metal oxides, coal or coke
02/03/2004CA2217457C A method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate
01/2004
01/27/2004US6682583 Process for producing sintered ore and the sintered ore
01/21/2004EP1382694A1 Waste toner recycling method and use of toner-aluminium granulate blend as steelmaking flux
01/21/2004CN1468969A Mixed carbon non-sintered block minerals for blast furnace and producing process thereof
01/21/2004CN1468968A Double-blowing two-seat two-row vertical pellet-roasting furnace
01/20/2004US6680035 Hydrometallurgy
01/13/2004US6676725 Can be used as the feed material to a furnace for producing iron; for use in blast furnaces, basic oxygen furnaces, and in direct reduced iron procedures
01/08/2004US20040005167 Toner recycling method and toner recycling system
01/07/2004EP1377688A1 Method and apparatus for practicing carbonaceous-based metallurgy
01/07/2004CN1465747A Method for removing coating, method for preparing regenrrated magnesium alloy and regenerated paint
01/06/2004CA2241574C Composite briquette for electric furnace charge
01/02/2004EP1375686A1 Method of producing stainless steel by re-using waste material of a stainless steel producing process
01/02/2004EP1373818A1 Method and device for treating bulk products
01/02/2004EP1373139A1 Extraction of silica and magnesium compounds from olivine
01/02/2004EP1372878A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes
12/2003
12/31/2003CN1132944C Cylindrical pelletizer with magnetizing speed controller
12/30/2003US6669894 Roaster with stabilized fluidized bed for roasting zinc concentrate
12/25/2003US20030236345 A resin with a softening point suitable as a binder resin for toners, preferably <100 degrees C.; e.g., polyethers, acrylic acid-styrene copolymer, polyestesr; anhydrous; waterproofing; high strength; steel-making flux from aluminum residues
12/25/2003US20030233912 Method of producing stainless steel by re-using waste material of stainless steel producing process
12/24/2003WO2003106082A1 Method for producing metal powder and formed product of raw material for metal
12/24/2003WO2003078067A3 Method and installation for processing a heap of debris that is fouled by oil
12/24/2003WO2003062477A3 Iron ore macropellets and a process for producing them
12/24/2003CN2594749Y Grid section cleaner of trolley
12/24/2003CN1463212A Method for mfg. metal powder metal powder, conductive paste therefor, and laminated ceramic capacitor
12/18/2003WO2003104503A1 Inhibition of the depletion of precious metal values from pregnant lixiviant solutions
12/18/2003US20030231995 Obtaining a slurry comprised of iron sulfide mineral particles and mineral sulfide particles containing zinc, nickel and/or copper; adjusting and/or maintaining pH; adding collector; conditioning; obtaining a flotation concentrate stream
12/17/2003EP1370698A1 Method for curing self-reducing agglomerates
12/11/2003WO2003102252A1 Method for sintering materials containing iron oxide in a sintering machine
12/11/2003WO2003102251A1 Method for sintering iron oxide-containing substances on a sintering machine
12/11/2003WO2003102250A1 Microwave treatment of ores
12/11/2003WO2003102249A1 Furnace sidewall structure of rotary hearth furnace
12/11/2003WO2003101609A1 Ultrasonic reactor and process for ultrasonic treatment of materials
12/11/2003US20030226424 Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating
12/10/2003EP1228257B1 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores
12/10/2003CN2591048Y Quick lime metering, dispensing & nitration apparatus
12/09/2003US6660059 Contacting the precious metal (gold) ore with a thiosulfate lixiviant at superatomopheric pressure in absence of added copper and ammonia to solubilize the precious metal from a pregnant thiosulfate leach solution, recovering the metal
12/04/2003WO2003100412A2 Method of ore treatment
12/04/2003WO2003100104A1 Briquette of iron based metal machining scrap and method for preparation thereof, and mashing crusher for grinding swarf and apparatus for preparing briquette using the same
12/04/2003WO2003099828A1 Silicon composition
12/04/2003US20030223927 Liquids/solids reaction vessel configured to contain a mixture of at least one liquid and at least one solid. The vessel includes a closed perimeter wall defined by an effective height, and a bottom connected to the closed perimeter wall to
12/03/2003EP1367141A1 Method of granulation treatment of raw material for iron making and granulation treatment agent for iron making
12/03/2003EP1366200A1 Arrangement and method for reducing build-up on a roasting furnace grate
12/03/2003EP1097247B1 A method for isolation and production of magnesium based products
12/03/2003CN2589485Y Metallurgy shaft kiln agglutination apparatus
12/02/2003US6656414 Device for continuously measuring the temperature in pelletizing furnaces
11/2003
11/27/2003WO2003097533A1 Process for removal of radioactive impurities from zirconium containing materials
11/26/2003EP1365036A1 Method of preparing carbonaceous iron oxide pellets with hydrocarbon-type binder
11/26/2003CN2587880Y Conic shape cylinder mixing pelletizer
11/26/2003CN1458289A Method for realizing zero exhaust for fully steelmaking of steel dust and mud
11/26/2003CN1128890C Composite surficial additive for sintered ore of blast furnace
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