| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 05/18/2000 | WO2000007760A8 Purification process for chromium |
| 05/18/2000 | CA2345412A1 Method for the heat treatment of residues containing heavy metals |
| 05/17/2000 | EP0922121B1 Process for reducing co and cos emissions from a fluidized bed reactor for chlorinating titanium containing material |
| 05/17/2000 | CN2378110Y Improved drum mixing pelletizer |
| 05/16/2000 | US6063160 Method for sintering finely divided material |
| 05/16/2000 | US6063159 Water soluble salt of a magnesium compound |
| 05/11/2000 | WO2000026420A1 Method of producing molten iron in duplex furnaces |
| 05/10/2000 | CN1052265C Chloride assisted hydrometallurgical extraction of copper |
| 05/04/2000 | WO2000025382A1 Method and system for recovering valuable metal from waste storage battery |
| 05/03/2000 | EP0689614B1 Process for operating a cupola furnace while using briquettes as a slag-forming material |
| 04/27/2000 | WO2000023191A1 Process for grinding noble metals in liquid medium |
| 04/26/2000 | CN1051806C Selectively smelting tech. and apparatus for fine particle contamination type primary gold ore |
| 04/26/2000 | CN1051804C Process for briquetting copper ore concentrate |
| 04/25/2000 | US6053327 Process for enriching nickel-bearing oxide ores |
| 04/19/2000 | EP0828689A4 Metal and fluorine values recovery from fluoride salt matrices |
| 04/19/2000 | CN2374832Y Solidifying roaster for fine gold ore containing sulphur arsenic and carbon |
| 04/19/2000 | CN1051578C Method of feeding sintering material by use of magnetic forces |
| 04/12/2000 | EP0992595A1 Additives for steelmaking in electric arc furnaces |
| 04/12/2000 | EP0992594A1 Process of reducing dioxine and furan emissions in iron ore agglomeration installations |
| 04/11/2000 | US6048419 Compacting means and device suitable for the compacting of materials with a pyrophoric tendency |
| 04/11/2000 | US6048382 Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags |
| 04/11/2000 | US6048381 Method and arrangement for cooling hot bulk material |
| 04/11/2000 | CA2045659C Air concentrator |
| 04/06/2000 | WO2000018685A1 Feed processing for improved alumina process performance |
| 04/05/2000 | EP0990053A1 Process and plant for producing iron smelt in an electric arc furnace by using agglomerated, iron-containing steel work residues |
| 04/05/2000 | EP0912771B1 Process for producing a metallurgical raw material from oil containing heavy metals |
| 04/05/2000 | CN1249353A Method for mfg. agglomerate for blast furnace |
| 04/05/2000 | CN1249352A Technology for producing acidic pellet agglomerate by fractionally feeding flux |
| 03/30/2000 | WO2000017404A1 Method for producing directly reduced metal in a multi-tiered furnace |
| 03/30/2000 | CA2343212A1 Method for producing directly reduced metal in a multi-tiered furnace |
| 03/29/2000 | EP0989194A1 Method of producing reduced iron and production facilities therefor |
| 03/29/2000 | CN1248636A Method for making pellet agglomerate used in iron-smelting |
| 03/29/2000 | CN1050896C Automatic hydraulic resistance moment device for preventing sintering machine bogie from arching |
| 03/22/2000 | CN1247903A Molding method of roasted concentrated molybdenum ore |
| 03/22/2000 | CN1050661C Vertical agglomerate cooling machine |
| 03/21/2000 | CA2123382C Processing of compositions containing precious metals and other valuable elements for recovery purposes |
| 03/16/2000 | WO2000014287A1 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product |
| 03/16/2000 | WO2000014286A1 Method for heat-treating recyclings containing oil and iron oxide |
| 03/16/2000 | CA2339014A1 Method for heat-treating recyclings containing oil and iron oxide |
| 03/15/2000 | EP0656072B1 Binder composition and process for agglomerating particulate material |
| 03/15/2000 | CN1247574A Method for recycling iron bearing sludges in steelmaking operation |
| 03/15/2000 | CN1247234A Zinc oxide as gray feed and its preparing process |
| 03/15/2000 | CN1050383C Cooling appts. for bulk material |
| 03/09/2000 | WO1999063122A8 Method and device for thermally treating agglomerates |
| 03/08/2000 | CN2367621Y Continuous microwave mineral-roasting apparatus |
| 03/08/2000 | CN1246895A Method for treating material containing metal and organic matter, including metal separation |
| 03/08/2000 | CN1246540A Process for decomposing rare-earth ore by acid method |
| 03/02/2000 | WO2000010919A1 Feed processing for improved alumina process performance |
| 03/02/2000 | CA2340971A1 Feed processing for improved alumina process performance |
| 02/29/2000 | US6030434 Method for hot agglomeration of solid metallized iron particles to produce alloyed briquettes |
| 02/24/2000 | WO2000009771A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/24/2000 | WO2000009770A1 Process and apparatus for recovering metal material from waste material |
| 02/24/2000 | WO2000009766A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/24/2000 | CA2339851A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/24/2000 | CA2336964A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/23/2000 | EP0980287A2 Process for regulating a circulating fluidised bed and use of the process |
| 02/23/2000 | EP0843741B1 Method for upgrading waste material comprising sheet metal with a zinc plating on at least one side thereof |
| 02/23/2000 | CN1245538A Direct reduction of metal oxide agglomerates |
| 02/17/2000 | WO2000007760A1 Purification process for chromium |
| 02/17/2000 | DE19900232C1 Treatment of reduced fine granulated iron ores for subsequent melting in electric arc furnace, consists of pre-compacting ore with exclusion of air and sintering it by eddy current heating achieved by means of high-frequency magnetic field |
| 02/13/2000 | CA2245036A1 Hydrometallurigical process for recovery of zinc |
| 02/09/2000 | CN1243885A Spheroidized iron-coke ore solidified rapidly at middle temp and its apparatus |
| 02/03/2000 | WO2000005423A1 Scrap metal weighing and on-line bulk material analysis process and apparatus |
| 02/02/2000 | EP0976843A1 Treatment of steel plant waste metal oxides by firing the same in the form of coke containing briquettes |
| 02/02/2000 | EP0975816A1 Method for recycling brass foundry waste |
| 02/02/2000 | CN1049014C Removal of arsenic from rich arsenic materials |
| 01/26/2000 | CN1048758C Sintered ore prodn.process |
| 01/25/2000 | CA2023533C Agglomeration of particulate material |
| 01/20/2000 | WO2000003044A1 A method for isolation and production of magnesium metal, magnesium chloride, magnesite and magnesium based products |
| 01/20/2000 | WO2000002813A1 Process for chlorine recovery |
| 01/20/2000 | CA2336652A1 A method for isolation and production of magnesium metal, magnesium chloride, magnesite and magnesium based products |
| 01/19/2000 | EP0972988A1 Method and apparatus for extracting water from combustion residues mechanically discharged from a wet slag remover |
| 01/19/2000 | EP0972088A1 Process for treating a material containing metal and organic matter, including metal separation |
| 01/19/2000 | CN1048419C Preparation of granular borate compositions |
| 01/18/2000 | US6015527 Facility for producing reduced iron |
| 01/13/2000 | DE19830108A1 Waste material briquette used as charge material for iron foundry melting furnaces or blast furnaces |
| 01/12/2000 | EP0970258A1 Polymeric combinations used as copper and precious metal heap leaching agglomeration aids |
| 01/11/2000 | US6013116 Briquette binder composition |
| 01/05/2000 | EP0969107A1 Process for producing molten pig iron or molten steel pre-products and hot briquetted iron |
| 01/05/2000 | EP0968313A1 Method of producing an agglomerate |
| 01/05/2000 | EP0832306B1 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores |
| 12/29/1999 | EP0950117A4 A method and an apparatus for producing metals and metal alloys |
| 12/29/1999 | CN1047801C Method for extracting gold from refractory ore |
| 12/28/1999 | US6007599 Method for re-utilizing scrap steels |
| 12/23/1999 | WO1999066085A1 Treatment of roasted metal sulphide ores and ferrites by leaching with peroxysulphuric acid |
| 12/23/1999 | WO1999066083A1 The roasting of ores or ore concentrates in a gas suspension shaft furnace |
| 12/23/1999 | CA2334511A1 Treatment of roasted metal sulphide ores and ferrites by leaching with peroxysulphuric acid |
| 12/15/1999 | CN1238809A Method and apparatus for producing metals and metal alloys |
| 12/12/1999 | CA2240450A1 Process for the treatment of roasted metal sulphide ores and ferrites |
| 12/09/1999 | WO1999063123A1 Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery |
| 12/09/1999 | WO1999063122A1 Method and device for thermally treating agglomerates |
| 12/09/1999 | WO1999063121A1 Melt and melt coating sulphation process |
| 12/09/1999 | DE19915724A1 Cleaning oil soaked metal swarf |
| 12/09/1999 | CA2333967A1 Melt and melt coating sulphation process |
| 12/09/1999 | CA2332243A1 Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery |
| 12/08/1999 | CN2352249Y Rolling bearing type pressing mfg. ball machine |
| 12/08/1999 | CN1237640A Pelletizing covering roasting oxidation method for sulfoarsenic metal ore |
| 12/02/1999 | WO1999061669A1 Mineral collector compositions of fatty hydroxamic acid in admixture with an oil and process of making same |
| 12/01/1999 | EP0960952A1 Method for the recycling of iron oxide containing residues from steel-making processes by means of briquetting |
| 12/01/1999 | CN1236817A Process for making acidic spheroidized ore |