Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
---|
05/10/2001 | US20010001065 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
05/10/2001 | CA2389635A1 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores |
05/10/2001 | CA2389342A1 Nickel powder desulfurisation |
05/09/2001 | EP1097247A1 A method for isolation and production of magnesium metal, magnesium chloride, magnesite and magnesium based products |
05/08/2001 | US6228143 Via preheating the sweep gas above auto-ignition temperature of polymers and controlling the oxygen content within oxidizer to reduce risk of explosion; cadmium, nickel, and iron remain for subsequent processing; pyrometallurgy |
05/08/2001 | US6226891 Method and apparatus for drying iron ore pellets |
05/02/2001 | EP1096215A2 Apparatus and method for producing metal through reduction |
05/02/2001 | CN1293257A Reducing metal manufacturing equipment and manufacturing method of reducing metal |
05/01/2001 | US6224820 Method of producing a reduced metal, and traveling hearth furnace for producing same |
05/01/2001 | US6223552 Device for the controlled cooling of hot-briquetted directly reduced iron sponge |
04/25/2001 | EP0832303B1 Chloride assisted hydrometallurgical extraction of metal |
04/25/2001 | EP0710297B1 Method of extracting fluorine from minerals or mineral species |
04/24/2001 | US6221127 Receiving mineral ore at infeed end of rotary kiln; positioning burner near discharge end of rotary kiln; operating burner to achieve oxidation and induration of mineral induration of mineral ore; injecting oxidizer gas |
04/24/2001 | US6221124 Fluidized bed treatment of EAF dust |
04/18/2001 | CN2426795Y Sponge iron powder briquetting machine |
04/17/2001 | CA2029494C Production of sponge metal from sponge metal fines |
04/15/2001 | CA2322935A1 Method and apparatus for producing reduced metal |
04/12/2001 | WO2001025496A1 Carbon-containing agglomerates |
04/11/2001 | EP1090150A1 Mineral collector compositions of fatty hydroxamic acid in admixture with an oil and process of making same |
04/10/2001 | US6214087 Producing solid metal product by treating carbon containing metal bearing compounds in compacts or agglomerates with coatings of treatment material before feeding compacts to furnace |
04/10/2001 | US6213416 Improved handling of said rock via using a form which contains water, transferring said rock to a grinding apparatus wherein mixing with water swellable, water insoluble polymer takes place; improving flow of rock through grinding apparatus |
04/05/2001 | WO2000050969A3 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
04/05/2001 | DE19946430A1 Verfahren zur Verwertung von Eisen, Zink und Blei enthaltenden Sekundärrohstoffen Process for the recovery of iron, zinc and lead-containing secondary raw materials |
04/04/2001 | EP1088904A1 Method of treating iron, zinc and lead bearing secondary materials such as steelmaking furnace dusts |
04/03/2001 | US6210648 Using an oxygen-deficient flotation gas. |
03/29/2001 | DE19946326A1 Recycling colored metals from the slag of copper winning comprises reacting the granulated slag with semi-concentrated sulfuric acid, roasting the cake produced and treating with alkali |
03/28/2001 | EP1086256A1 Treatment of roasted metal sulphide ores and ferrites by leaching with peroxysulphuric acid |
03/28/2001 | EP1055009A4 Methods for treating ores |
03/28/2001 | CN1288961A Apparatus for producing red reduced iron and blank-block drying method used for same |
03/28/2001 | CN1063800C Adhesive for metal powdered ore prilling block |
03/28/2001 | CA2321311A1 Method of utilizing secondary raw materials containing iron, zinc and lead |
03/21/2001 | CN1288068A Method for producing briquetted iron ore using fine iron powder extracted from steel slag |
03/21/2001 | CN1288066A Method and equipment for prodn. of reduction iron |
03/15/2001 | WO2001018256A1 Method and facilities for metal smelting |
03/15/2001 | CA2383860A1 Method and facilities for metal smelting |
03/14/2001 | CN1287181A Cylindrical pelletizer with magnetizing speed controller |
03/14/2001 | CN1063228C Magnetism-retained reduction & roasting technology for siderite, aetite and haematite mixed iron ore |
03/08/2001 | WO2001016384A1 Sulfatisation process for metal extraction from sulfide ores |
03/08/2001 | WO2001016383A2 Process and solution |
03/07/2001 | EP1080237A1 Conglomeration of minerals from a granular state with binder including waterglass, acrylic resin and vinyl alcohol |
03/07/2001 | CN1286314A In-line denitration method for sinter process |
03/07/2001 | CN1062913C Method of mfg. sintered ore and sintering machine therefor |
03/06/2001 | US6197249 Apparatus for conducting gas through material to be sintered |
03/01/2001 | WO2001014605A1 Briquette for lowering the viscosity of metallurgical slag and process for its production |
02/28/2001 | EP1078107A1 Ore comminution process using bed-compression method at low pressures and installation therefor |
02/28/2001 | CN1285415A On-line desulfuration method for agglutination process |
02/27/2001 | US6193941 Scrubbing from synthesis gas formed in partial oxidation by aqueous scrubbing solution; filtering; drying filter cake; burning a dust-free soot conditioned in pulverized fuel burner; cooling; releasing heat; separating off heavy metals |
02/20/2001 | US6190625 Oxidation of molybdenum sulfides to molybdenum triooxide; submerged cooling tube controls temperature |
02/14/2001 | CN1283707A Process for increasing recovery rate of silver in calcine-syanation technology for extracting gold |
02/14/2001 | CN1283706A Process for preparing Ti-enriched material from ilmenite concentrate |
02/08/2001 | WO2000050649A3 Method and apparatus for removing undesirable metals from iron-containing materials |
02/07/2001 | EP1073872A1 Apparatus for conducting gas through material to be sintered |
02/07/2001 | CN2418133Y Homogenization sintering apparatus for sintering ores |
02/07/2001 | CN1061692C Preheating process of mixed sintered material or pellet material |
02/01/2001 | WO2001007671A1 Process for manufacturing corrosion resistant composite metal products |
02/01/2001 | WO2001007670A1 Method for the preparation of fine grain ores |
02/01/2001 | CA2378956A1 Method for the preparation of fine grain ores |
01/31/2001 | CN1282287A Method of removing metallic coating layer from scrap metal pieces |
01/24/2001 | EP1070761A2 Process for the valorisation of slags containing hydrocarbons and scale |
01/24/2001 | CN1281053A Process for preparing ceramic-phase diffusion enhanced alloy and particle enhanced metal-base composition |
01/23/2001 | CA2146732C Process for producing an iron melt |
01/17/2001 | CN2415039Y Reducing cylinder granulator |
01/17/2001 | CN1280202A Process of extracting organic phase to wash away chlorine radical and counter extracting organic phase to wash away salphate radical with cuprammonium solution |
01/16/2001 | US6174346 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
01/09/2001 | US6170669 Separation of minerals |
01/09/2001 | CA2195922C Briquette as an additive for metallurgic purposes comprising silicon-containing residues, and process for its production |
01/04/2001 | WO2001000890A1 Process for the extraction of copper |
01/04/2001 | WO2001000355A1 Zinc-based metal foamed bodies |
01/03/2001 | CN1278871A Direct-reduction method for production of iron, molten, cast iron and steel |
01/02/2001 | US6168029 Method for separating electrically conductive mineral components from electrically non-conductive mineral components of an ore |
12/26/2000 | US6165248 Introducing tracer into batch of scrap material; processing batch of scrap material and tracer into homogenous mixture; assaying sample portion ofhomogenous mixture to assess amount of tracer in the sample |
12/20/2000 | CN1277265A Parallel straight-bottom furnace using for reduction metallic oxide |
12/19/2000 | US6162346 Process for recovery of zinc from sphalerite containing ores or concentrates |
12/19/2000 | US6162280 Process for heat treatment of organically contaminated material |
12/19/2000 | US6161308 Slimes treatment |
12/19/2000 | CA2132548C Process and plant for removing lead and zinc from metallurgical-works dust |
12/14/2000 | WO2000075384A1 Process of agglomerating particulate waste material |
12/14/2000 | WO2000075075A1 Beneficiation of zircon |
12/13/2000 | CN1276436A Process and equipment for preparing sintered ore |
12/12/2000 | US6159726 Spraying coarse substrates with sulfide mineral concentrate, forming a heap, and bioxidizing the concentrate; faster rate than existing heap processes with low initial capital and operating costs |
12/12/2000 | US6159436 Mixing hydrochloric acid; adding sodium carbonate to aqueous solution |
12/06/2000 | CN1276019A Ferrite-and calcium-based flux, mixture for its production, and use thereof |
12/06/2000 | CN1059240C Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores |
11/30/2000 | DE19921485A1 Cyclone process and assembly to recover light metal swarf minimises the risks to persons associated with swarf recovery |
11/29/2000 | EP1055009A1 Methods for treating ores |
11/28/2000 | US6152985 Ore pelletization |
11/28/2000 | US6152983 Method of producing reduced iron pellets formed by reducing iron oxide pellets containing dusts (including sludges) containing zn ingredients formed in iron works |
11/28/2000 | CA2040316C Process for recovering valuable metals from a dust containing zinc |
11/23/2000 | WO2000070104A1 Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace |
11/23/2000 | DE10025224A1 Production of sintered iron ore comprises kneading iron ore powder, an auxiliary material and an aqueous solution to a mixture, granulating, and sintering to form a sintered ore |
11/23/2000 | CA2373126A1 Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace |
11/22/2000 | CN1274012A Combustion improver for promoting sinter of iron concentrate |
11/21/2000 | US6149712 Sintered high titanium agglomerates |
11/21/2000 | US6149710 Additive for adding one or more metals into aluminium alloys |
11/15/2000 | EP1051527A1 High efficiency recovery process and apparatus for the pyrolysis treatment and halogenation of multi-element waste |
11/15/2000 | EP1051242A1 Binder formulation used in forming mineral pellets |
11/15/2000 | CN1273277A Direct reduction method and rotary kiln hearth |
11/14/2000 | US6146444 Method for recovering metal value from concentrates of sulfide minerals |
11/14/2000 | US6146441 Reducing iron oxides in rotary hearth furnace |
11/14/2000 | US6145667 Mineral collector compositions and processes for making and using same |