| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 05/28/2002 | US6395054 Process for producing pozzolanes, synthetic blast furnace slags, belite or alite clinkers, or pig iron alloys from oxidic slags |
| 05/23/2002 | DE10027432C2 Verfahren zum Abtransport von beim Entschwefeln von Roheisen sich bildendes fester Entschwefelungsschlacke A method for removal of itself forming the desulphurization of hot metal desulfurization solid |
| 05/22/2002 | CN1085257C Steel slag and ferriferous material reprocessing process useful to produce pig iron and environmentally compatible slags |
| 05/16/2002 | WO2002038816A1 Method and apparatus for treatment of metallurgical slag and the like |
| 05/16/2002 | CA2363224A1 Improvements in an insulated cover for torpedo cars |
| 05/08/2002 | EP1203102A1 Device for atomising liquid melts |
| 04/25/2002 | WO2002033136A1 Agglomerated elements and method for treating metallurgical dust |
| 04/24/2002 | EP1199373A1 Agglomerates of and process for the treatment of metallurgical dust |
| 04/24/2002 | EP1198599A1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 04/24/2002 | CN2487733Y Granulating wheel for metallurgical slag treater |
| 04/11/2002 | WO2002029121A1 Device for atomising melts |
| 04/10/2002 | EP1194387A1 Device and method for atomizing and comminuting liquid melts |
| 04/03/2002 | EP1193228A1 Blast furnace granulated slag, fine aggregate prepared therefrom and method for producing them |
| 04/02/2002 | US6364929 For recovering pig iron and environmentally safe slag; mixed slag having a basicity cao/sio2 between 1.2 and 2.5; carbon carriers hot air is top-blown for after burning; hot offgases are drawn off tangentially |
| 03/27/2002 | EP1190996A2 Device for atomizing of melts |
| 03/21/2002 | WO2002022891A1 Refining agent and refining method |
| 03/21/2002 | WO2002022518A1 Cement composition |
| 03/12/2002 | US6354108 Granulated blast-furnace slag which has been cooled is immersed in generated carbonated water. |
| 03/06/2002 | EP1183395A1 Method for reducing and granulating slag and a device for carrying out this method |
| 03/06/2002 | EP1183394A1 Method of reducing slags in size and device for carrying out said method |
| 03/06/2002 | CN1338974A Installation for aqueous granulation |
| 02/27/2002 | EP1182270A1 Device for atomising liquid materials,espescially liquid melts |
| 02/26/2002 | US6349548 Apparatus and process to extract heat and to solidify molten material particles |
| 02/13/2002 | CN2476556Y Treatment device for blast-furnace slag |
| 01/17/2002 | WO2002004687A1 Device for atomizing and granulating liquid slags |
| 01/17/2002 | WO2002004154A1 Method and device for atomizing molten metals |
| 01/17/2002 | CA2384120A1 Method and device for atomizing molten metals |
| 01/15/2002 | CA2228154C Processing of oxidic slags |
| 01/10/2002 | DE10031988A1 Verfahren und Anlage zur Aufbereitung von beim Sprühkompaktieren in Form von Pulver anfallendem metallischem Overspray-Material Method and apparatus for processing accumulating during spray in the form of powder overspray metallic material |
| 01/09/2002 | EP1170395A1 Process and apparatus for treating the pulverized metallic overspray-material during spray compacting |
| 01/09/2002 | CN1330159A Process for immersing liquid iron slag |
| 01/09/2002 | CN1330158A Process for preparing abradant to derust steel slegs of converter |
| 01/02/2002 | EP1166924A1 Holding furnace particularly for die-casting apparatus |
| 01/01/2002 | US6334885 Method of solidifying steel-making slag and material produced by the method |
| 01/01/2002 | CA2169099C Slag granulation |
| 12/27/2001 | WO2001098546A1 Method for sulphuric acid treatment and recycling of blast furnace sludge |
| 12/25/2001 | US6332910 Electric furnace slags and slags for obtaining pig iron |
| 12/20/2001 | US20010052662 Holding furnace particularly for vacuum diecasting apparatus |
| 12/20/2001 | CA2350287A1 Holding furnace particularly for vacuum die-casting apparatus |
| 12/19/2001 | CN1076400C Boron-magnetsium compound additives and preparing method thereof |
| 12/12/2001 | EP1161567A1 Method for granulating liquid slags |
| 12/06/2001 | DE10027432A1 Verfahren zum Abtransport von Schlacken, insbesondere Entschwefelungsschlacke A method for removal of waste, in particular desulfurization |
| 12/04/2001 | CA2043787C Enclosure for slag pelletization apparatus and method of operation thereof |
| 11/29/2001 | WO2001090423A1 Method for conveying away slags, especially desulfurization slags |
| 11/29/2001 | WO2001090018A1 Device and method for atomizing and comminuting liquid melts |
| 11/29/2001 | US20010046251 Method and apparatus for recovering metal values from liquid slag and baghouse dust of an electric arc furnace |
| 11/29/2001 | US20010045142 Process for thermal treatment of residual materials containing heavy metal and iron oxide |
| 11/28/2001 | EP1156872A1 Device and method for granulating and comminuting slag melts |
| 11/22/2001 | WO2001088206A1 Method for recovering useful metal from slag generated in steel-making process while treating the slag |
| 11/22/2001 | US20010044086 Device for producing a hot propellant jet |
| 11/20/2001 | US6319434 Method for granulating and grinding liquid slag and device for realizing the same |
| 11/20/2001 | US6318123 Method for granulating a liquid slag bath and device for carrying out the method |
| 11/15/2001 | DE10035161C1 Production of a granulate from slag comprises feeding the slag to vibrating casting gutter, introducing air, removing metal parts, feeding the slag to a crusher, sieving the fine components, and removing the finished granulate |
| 11/15/2001 | DE10023074C1 Verfahren zur Herstellung eines Granulats aus Konverterschlacke A process for the preparation of granules from converter slag |
| 11/14/2001 | EP1154201A2 Apparatus for the production of a hot pulverization gas |
| 11/14/2001 | EP0842301B1 Method for making pozzolans, synthetic blast-furnace slag, belite or alite clinkers, and pig-iron alloys, from oxidic slag, and a device for implementig this method |
| 11/07/2001 | EP1152064A2 Process of granulating converter steel slag by air jetting |
| 11/06/2001 | US6311522 Process for casting and forming slag products |
| 10/24/2001 | CN1318648A Double-cavity steel slag treating drum mechanism |
| 10/23/2001 | US6306195 Process for the preparation of high grade synthetic rutile and pig iron |
| 10/18/2001 | US20010029811 Use of mixture of C9 alkylsalicylaldoxime and ketoxime as extractant in water-immiscible organic solvent solution in metal extraction circuit to enhance transfer of iron values to dilute acid wash solution |
| 10/17/2001 | EP1144694A1 Method for treating slag derived from steel production |
| 10/17/2001 | CN1317578A Granulating and vapour-condensing equipment for recovering slags |
| 10/04/2001 | EP0852692B1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 09/19/2001 | CN2448846Y Metallurgical slag treatment apparatus |
| 09/12/2001 | CN1312862A Method for heat-treating residues containing heavy metal and iron oxide |
| 09/11/2001 | US6287362 Stream of molten metal is introduced in cocurrent configuration into stable flow of cooling liquid, metal being submerged in cooling fluid to produce lumps of metal |
| 08/30/2001 | WO2001062987A1 Device for atomising liquid melts |
| 08/30/2001 | WO2001062683A1 Blast furnace granulated slag, fine aggregate prepared therefrom and method for producing them |
| 08/28/2001 | US6280498 Blowing through nozzle; blast furnace |
| 08/23/2001 | WO2001061058A1 Process for recovery of metals from metal-containing ores |
| 08/23/2001 | CA2400673A1 Process for recovery of metals from metal-containing ores |
| 08/22/2001 | EP1126039A1 Method and apparatus for reductively processing the liquid slag and the baghouse dust of the electric arc furnace |
| 08/21/2001 | US6277171 Method of reducing the iron content of steel slag |
| 08/15/2001 | CN1308136A Steel slag magnetically dressing and re-treating process and equipment |
| 08/09/2001 | WO2001056916A2 Container transport vehicle |
| 08/09/2001 | DE10042899A1 Kunstharzbrennstoff zur Eisenherstellung und Verfahren zur Eisenherstellung Resin fuel for producing iron and method for producing iron |
| 08/08/2001 | EP1121473A1 Method for comminuting bulk material or a granulate and a device for carrying out said method |
| 08/08/2001 | CN2441812Y Distributor for double cavity roller slag processor |
| 08/02/2001 | WO2001055461A1 Method for removing chrome and/or nickel from liquid slags |
| 08/02/2001 | WO2001055459A1 Method for treating slags or slag mixtures on an iron bath |
| 08/02/2001 | WO2001055457A1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 08/02/2001 | CA2398352A1 Method for removing chrome and/or nickel from liquid slags |
| 08/01/2001 | EP1120470A1 Process and apparatus for grinding liquid slag |
| 08/01/2001 | EP0907755B1 Method of continuously producing vitreous blast furnace slag |
| 07/26/2001 | WO2001053543A1 Method for treating steel plant slag |
| 07/25/2001 | EP0934432B1 METHOD OF DE-CHROMING AND/OR DEPLETING THE MgO CONTENT OF STEEL SLAG |
| 07/25/2001 | CN1305533A Device for wet granulation of liquid-slag |
| 07/19/2001 | WO2001051674A1 Method for granulating liquid slags |
| 07/17/2001 | US6261339 Method for desiliconizing pig iron before refining it to steel |
| 07/11/2001 | CN1302910A Process for utilizing waste smelting dregs of rare-earth ferrosilicon |
| 07/05/2001 | WO2001047623A1 Device and method for granulating and comminuting slag melts |
| 06/26/2001 | US6251160 Method of de-chroming and/or depleting the MgO content of steel slag |
| 06/26/2001 | US6250109 Method of continuously producing vitreous blast furnace slag |
| 06/20/2001 | EP1108070A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 06/20/2001 | CN2435402Y Slag granulating device for metallurgical furnace |
| 06/14/2001 | WO2001042159A1 Method for crushing slack with simultaneous desulphurisation and subsequent dechroming |
| 06/13/2001 | CN1298956A Vibration-type slag cooling machine |
| 06/12/2001 | US6245123 Safe separation of noxious substances and, in particular, the separation of copper prior to the aftertreatment of the slag |
| 06/07/2001 | WO2001040528A1 Post-treatment method for deoxidizing metallurgical slag |