Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
---|
01/30/2003 | WO2002090604A3 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
01/30/2003 | WO2002008473A3 Agglomerating particulate ore materials using polymeric binders |
01/30/2003 | US20030019548 Method for manufacturing reduced iron briquettes |
01/30/2003 | US20030019329 Method for making molten metal |
01/29/2003 | EP1278896A1 A method and an apparatus for recovery of metals |
01/29/2003 | CN1394236A Brittle formed product and iron-based power material and method for manufacturing these materials |
01/28/2003 | CA2060878C Process of roasting refractory gold ores |
01/23/2003 | WO2003006695A1 Hydrometallurgy method for leaching oxidised ores and metal recovery |
01/23/2003 | WO2003006694A1 Process for passivating sulfidic iron-containing rock |
01/23/2003 | WO2002072899A3 Method for recovering zirconium values from a hard rock ore containing zircon and uranium |
01/23/2003 | US20030017106 Recovery of natural nanoclusters and the nanoclusters isolated thereby |
01/23/2003 | CA2452496A1 Process for passivating sulfidic iron-containing rock |
01/22/2003 | EP1277789A2 Apparatus and method for treatment of organic waste material containing metal |
01/22/2003 | CN1392902A Recovery of nickel and cobalt values from sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
01/22/2003 | CN1392273A Process for preparing high iron low silicon agglomerate |
01/21/2003 | US6508608 Material treatment method and apparatus |
01/21/2003 | US6508421 Ore comminution process |
01/16/2003 | WO2003004710A1 Method for producing briquettes from finely dispersed metal oxides |
01/16/2003 | WO2003004709A1 Method for recovering nickel and eventually cobalt by extraction from nickel-containing laterite ore |
01/16/2003 | US20030013166 Biological extraction of metals from soils; obtain soil, insert into bioreactor, expose to bacteria, bioxidize sample, recover metal |
01/16/2003 | US20030010268 Method for regulating a roasting furnace |
01/09/2003 | WO2003002775A2 Method and plant for treating flue gas dust of electric steelmaking furnaces and steel mills using pelletization |
01/08/2003 | EP1273393A2 Grinding sludge compacting machine |
01/08/2003 | EP1272680A2 Heap leaching of nickel containing ore with sulfuric acid |
01/08/2003 | EP1144696A4 Method of producing molten iron in duplex furnaces |
01/08/2003 | EP1090150B1 Preparation of collector compositions of fatty hydroxamic acids in admixture with an oil for ore flotation |
01/08/2003 | CN1389586A Method of compounding furnace charge for one-step process of producing RE ferro-silicon alloy |
01/08/2003 | CN1389584A Efficient separation process and apparatus of main valuable metals in jamesonite |
01/08/2003 | CN1389582A Pellet producing process in a vertical furnace with hematite powder as material |
01/07/2003 | US6503293 Process for the extraction of copper |
01/07/2003 | CA2101078C Regeneration of hydrochloric acid |
01/03/2003 | WO2003000427A1 Method and device for fine grinding of mineral particles |
01/02/2003 | US20030000552 process for removing oil containing machining fluid from machined chips |
01/02/2003 | EP1270750A2 Pelletising apparatus for producing spherical bulk material |
01/02/2003 | EP1270093A1 System and process for removing oil containing machining fluid from machined chips |
01/02/2003 | EP1269554A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials |
01/01/2003 | CN1388832A Briquette as material for steel making and method for production thereof |
12/31/2002 | CA2082128C Process for agglomerating particulate material and products made from such processes |
12/29/2002 | CA2389960A1 System and process for removing oil containing machining fluid from machined chips |
12/27/2002 | WO2002102533A1 Method for producing metal powder and metal powder, and electroconductive paste and monolithic ceramic capacitor |
12/27/2002 | CA2448381A1 Method for manufacturing metal nuggets |
12/26/2002 | US20020194963 Separating clays and fines from a crushed refractory sulfide ore, forming a heap, adding concentrate of separated sulfide fines to the heap, bioleaching (biooxidation) and hydrometallurgically treating bioleached ore |
12/24/2002 | US6497746 Mixing iron ore with water and a binder consisting of guar, guar derivatives or mixtures thereof, and a binding effective amount of malic acid, tartaric acid or mixtures thereof and forming agglomerates |
12/24/2002 | US6497023 Apparatus for forming metal feedstock from waste metal products |
12/18/2002 | EP1266042A1 Method for regulating a roasting furnace |
12/18/2002 | CN2526329Y Charging bucket for ring cooler |
12/18/2002 | CN2526328Y Ring cooler bogie and rotary frame |
12/18/2002 | CN1386136A Raw material for sintering in form of pseudo grain and method for producing the same |
12/17/2002 | US6494933 Method of utilizing secondary raw materials containing iron, zinc and lead |
12/17/2002 | US6494932 Recovery of natural nanoclusters and the nanoclusters isolated thereby |
12/12/2002 | US20020184972 Contacting ore of zircon, baddeleyite, and uranium at 135-255 degrees C with sulfuric acid; leach liquor of zirconium and uranium values and solids of baddeleyite and silica |
12/12/2002 | DE10126770A1 Pelleting device, used for producing spherical bulk material, comprises housing, rotating plate central in housing, and vertically adjustable slide which forms part of housing wall |
12/11/2002 | EP1263995A1 Method of sintering and sinter bed composition |
12/11/2002 | EP1263994A1 Method for sintering ferroalloy materials |
12/11/2002 | CN1384214A Carbon reducting roast process of producing RE chloride with mixed RE concentrate |
12/06/2002 | WO2001096249A1 Device and method for treating a refuse material containing hydrocarbons |
12/06/2002 | CA2411066A1 Apparatus and process for treating a hydrocarbonaceous waste material |
12/05/2002 | WO2002097142A1 Device and method for treating oil-adhered particles |
12/05/2002 | WO2002096549A1 Agglomeration of fine particulate material |
12/04/2002 | CN1382812A Process for preparing semi-metallized spheroids |
12/03/2002 | US6488901 Part of the carrier gas is recovered, mixed with a propellant and returned to the bed; corrosive damages of the plant components and damages due to the precipitation of salts are largely avoided |
12/03/2002 | CA2376883C Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
11/28/2002 | US20020175441 Adding water to a raw material mixture comprising iron oxide and blast furnace dust for reduction in open-hearth furnace |
11/27/2002 | EP1260613A2 Method for de-oiling scraps of aluminium materials |
11/27/2002 | CN1381598A Process for reclaiming by-product containing iron oxide generated by smelting or rolling steel |
11/27/2002 | CN1381597A Process for preparing burden of electric furnace from coking coal powder and ore powder |
11/21/2002 | US20020170388 Method for using a pre-jel for producing self-reducing agglomerates |
11/20/2002 | EP0950117B1 A method for producing metals and metal alloys |
11/20/2002 | CN1380967A Device and method for sealing pressure air blowing hood |
11/20/2002 | CN1380428A Method for extracting vanadium by roasting material containing vanadium and its equipment |
11/19/2002 | US6482373 Precious metal recovery |
11/19/2002 | US6482351 Apparatus for producing reduced iron |
11/14/2002 | WO2002090604A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
11/14/2002 | WO2002012573A3 Use of oil-charged mill-scale in shaft furnaces and converters after chemical binding and pelleting thereof |
11/14/2002 | US20020166414 Producing a particle mixture comprising iron oxide and carbon containing reductant and cement binder; adding water to form agglomerates; contacting with hot gas to dry to cure; drying |
11/13/2002 | EP1042842B1 Recycling of galvanic cells |
11/07/2002 | US20020162420 Providing re-concentrating mineral table arranged to separate concentrate ore at a concentrate discharge from middlings and tailings; setting table such that concentrate forms a smeltable concentrate; feeding ore material to table,operating |
11/07/2002 | US20020162418 Introducing charge into inlet end of primary reactor of a reactors system while injecting oxygen; passing charge through reactor; discharging into next reactor; heating, changing chemical potential; elements are separated as melted groups |
11/07/2002 | DE10120984A1 Deoiling aluminum scrap, e.g. stamping and deep drawing waste from manufacture of vehicle parts, uses aqueous deoiling agent with added surfactant or organic solvent |
11/06/2002 | CN1377979A Sulfurizing reduction and roasting and voltizing dearsenication method for copper-zine-cobalt material |
11/05/2002 | US6475462 Process and apparatus for treating particulate matter |
11/05/2002 | US6475450 Method of leaching zinc concentrate |
11/05/2002 | CA2245101C Gold extraction process |
10/31/2002 | US20020159498 High efficiency induction heating and melting systems |
10/31/2002 | US20020157992 Alternating current magnetic separator |
10/31/2002 | US20020157504 Sulfidization of sulfide ores for hydrometallurgical extraction of copper and other metals |
10/30/2002 | EP1253207A1 Method and facilities for metal smelting |
10/30/2002 | EP1252342A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent |
10/29/2002 | US6471742 Method for producing an improved charging stock for use in metallurgical processes |
10/24/2002 | WO2002083592A1 Mineral ore slurry viscosity modification method |
10/24/2002 | WO2002083333A1 Circuit member processor |
10/24/2002 | WO2002083316A1 Process for sulphide concentration |
10/24/2002 | US20020152843 Briquette as material for steel making and method for production thereof |
10/24/2002 | US20020152839 Cold bonded iron particulate pellets |
10/24/2002 | CA2444143A1 Process for sulphide concentration |
10/24/2002 | CA2441758A1 Mineral ore slurry viscosity modification method |
10/23/2002 | CN1376210A Process for manufacturing corrosion resistant metal products |
10/23/2002 | CN1375565A Dearsenifying method for Cu-Zn-Co material |
10/23/2002 | CN1375454A Method for separating boron from mud containing boron alloy |
10/17/2002 | US20020148759 Reaction of the methyl or ethyl ester of a fatty acid having 6 to 22 carbon atoms with a hydroxylamine salt and an alkali metal hydroxide in the presence of water, either a hydrocarbon oil or a fatty oil |