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