| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 02/11/1997 | US5601631 Process for treating metal oxide fines |
| 02/11/1997 | CA2071366C Pretreatment of chromium bearing metal scrap to remove chromium |
| 02/05/1997 | CN1141955A Aluminum-dregs feeding method for iron-steel metallurgy |
| 02/04/1997 | US5599361 Stable compressed solid fuel pellets or briquets containing coal and/or coke fines with polymeric binder |
| 01/29/1997 | CN1033919C Method for low-temp. agglulinating bloodstone and limonite dust |
| 01/22/1997 | EP0754247A1 Method and installation for the heat treatment of materials |
| 01/21/1997 | US5595347 Specific gravity separation stage, low intensity magnetic separation stage, single stage magnetic roast with controlled oxygen potential, low to medium intensity magnetic separation stage |
| 01/16/1997 | WO1997001650A1 Method of treating steel mill waste |
| 01/16/1997 | WO1997001510A1 Process for the realization of endothermic reactions for the thermal decomposition of solids, producing gases and solid residues |
| 01/16/1997 | CA2194676A1 Process for the realization of endothermic reactions for the thermal decomposition of solids, producing gases and solid residues |
| 01/08/1997 | EP0751831A1 Method and device for treating composite elements |
| 01/08/1997 | EP0751821A1 A process for producing agglomerates |
| 01/07/1997 | US5591247 Agglomerated product with paper fibers |
| 12/31/1996 | US5589118 Forming into briquettes with binder |
| 12/25/1996 | CN1138878A Sintered ore mfg. method using high crystal water iron ore as raw material |
| 12/25/1996 | CN1138633A Selectively smelting tech. and appts. for fine particle of primary gold ore via contaminating |
| 12/24/1996 | US5587002 Adding quicklime, iron ore, slag, metal fibrils to fatty rolling mill slurries, homogenizing, compacting |
| 12/19/1996 | WO1996041029A2 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores |
| 12/19/1996 | WO1996041027A1 Chloride assisted hydrometallurgical extraction of metal |
| 12/19/1996 | WO1996041026A1 Chloride assisted hydrometallurgical extraction of metal |
| 12/19/1996 | DE19522064A1 Method and appts. for recovery of noble metals from electronic scrap |
| 12/19/1996 | CA2456772A1 Chloride assisted hydrometallurgical extraction of metal |
| 12/18/1996 | CN1138103A Manufacture method of vanadic titanium type ultra-high basicity agglomerate |
| 12/17/1996 | US5584910 Preheating iron ore and fluxes including fines, reducing to sponge iron, melting in presence of carbon carriers and oxygen-containing gas to produce reducing gas, passing first portion to reducing zone, purifying second portion |
| 12/17/1996 | CA2021638C Decontamination and/or surface treatment of metals |
| 12/12/1996 | WO1996039359A1 Process for the reduction of carbochlorination residue |
| 12/12/1996 | WO1996039290A1 Process for recovering iron from iron-rich material |
| 12/12/1996 | DE19520651A1 Utilisation of clarifier and waterworks sludge |
| 12/12/1996 | CA2223044A1 Process for recovering iron from iron-rich material |
| 12/11/1996 | EP0501966B1 Recycling scrap metal |
| 12/10/1996 | US5582631 Combining with iron-poor material such as exhaust fumes; treating with ammonium chloride leaching solution; separation; roasting |
| 12/10/1996 | CA1338772C Anionic acrylamide polymers as copper ore agglomeration aids |
| 12/05/1996 | WO1996038381A1 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/05/1996 | WO1996038380A1 Metal and fluorine values recovery from fluoride salt matrices |
| 12/04/1996 | EP0745454A1 Method for processing metal chips and/or metal dust |
| 12/04/1996 | EP0745439A2 Process for removing heavy metals from soil |
| 12/04/1996 | EP0745438A2 Process for removing heavy metals from soil |
| 12/03/1996 | US5581574 Method and apparatus for conditioning and using furnace off-gases in a scrap preheating apparatus |
| 11/28/1996 | WO1996037634A1 Process for forming shaped articles |
| 11/26/1996 | US5578109 Removal of radioactive impurities by contacting with a glassy material at high temperature, ilmenite, rutile |
| 11/21/1996 | WO1996036743A1 Method and device for treating metal-containing dusts arising from thermal metallurgical processes |
| 11/14/1996 | WO1996035511A1 Reprocessing method for salvaged metallic materials |
| 11/12/1996 | US5573576 Method of treating steel mill waste |
| 11/12/1996 | US5573575 Separating ore into fines and coarse fraction, forming heap with coarse fraction, producing concentrate from fines, adding concentrate to heap, biooxidizing ore in heap, hydrometallurgically treating ore to recover precious metal |
| 11/06/1996 | EP0740695A1 Utilizing discarded carbon |
| 11/06/1996 | CN1134983A Process for prodn. of spongy iron or metallized ball block |
| 10/24/1996 | WO1996033146A1 A method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate |
| 10/17/1996 | WO1996032669A1 Method of controlling the heat-treatment process in a pelleting plant |
| 10/17/1996 | WO1996032511A1 Pelletising plant |
| 10/17/1996 | WO1996032510A1 Pelleting plant |
| 10/17/1996 | DE19513550A1 Pelletieranlage Pelletizing plant |
| 10/17/1996 | DE19513549A1 Pelletieranlage Pelletizing plant |
| 10/17/1996 | DE19513547A1 Verfahren zum Steuern des Wärmebehandlungsprozesses in einer Pelletieranlage A method for controlling the heat treatment process in a pelletizing plant |
| 10/16/1996 | CN1133345A Activating carbon magnesium type iron smelting pellets |
| 10/10/1996 | WO1996031630A1 Reuse of metallurgical fines |
| 10/10/1996 | DE19512560A1 Converting metal-contg. heavy dust or sludge into form suitable for blowing into a metallurgical furnace |
| 10/10/1996 | DE19512498A1 Extraction of metals, e.g. copper@ and gold@, from ores |
| 10/10/1996 | CA2215409A1 Reuse of metallurgical fines |
| 10/01/1996 | US5560876 Process for producing agglomerates from dusts |
| 10/01/1996 | US5560762 Process for the heat treatment of fine-grained iron ore and for the conversion of the heat treated iron ore to metallic iron |
| 10/01/1996 | US5560380 Cutting with plasma jet to oxidize sodium; hermetic sealing;spraying with water |
| 09/26/1996 | WO1996029438A1 Ore sintering process with multiple burning fronts on the mix layer to be sintered |
| 09/19/1996 | DE19509366A1 Iron recovery from dust, esp. fettling dust |
| 09/18/1996 | CN1131443A Roasting of titaniferous materials |
| 09/17/1996 | US5556457 Recovery of steel plant revert materials through cementitious agglomeration |
| 09/17/1996 | US5556447 Detoxification of mercury contaminated soils with vaporization, contacting with carbon, separation and recovering mercury by heating, purging and condensing |
| 09/10/1996 | US5555259 Process and device for melting down of scrap |
| 09/10/1996 | US5554207 Process of recycling iron oxides and plastics in steelmaking |
| 09/03/1996 | CA2009814C Method for manufacturing agglomerates of sintered pellets |
| 09/03/1996 | CA1338567C Method of recycling steel belted tires |
| 08/29/1996 | DE19529217C1 Agglomeration of roller scale sludge |
| 08/27/1996 | US5549206 Nonferrous metal separator |
| 08/27/1996 | CA2078166C Process for the reduction roasting of manganese ores and a device therefor |
| 08/21/1996 | EP0727499A1 Method for removing at least one coating from metal scrap parts |
| 08/20/1996 | US5547490 Heat-vaporizing of lead compounds leaves zinc-containing residues which are chemically reduced to zinc vapors, then cooling, filtration |
| 08/20/1996 | US5547357 Apparatus for hot-briquetting iron sponge |
| 08/13/1996 | US5544756 Dynamic mining system comprsing hydrated multiple recovery sites and related methods |
| 08/06/1996 | US5544194 Apparatus for degreasing electrically conductive material |
| 08/01/1996 | WO1996023081A1 Method and device for cooling hot briquetted spongy iron |
| 07/30/1996 | US5540751 Method for recovering zinc from zinc containing dust |
| 07/23/1996 | US5538552 Waste treatment process |
| 07/18/1996 | DE4438138A1 A binder compsn. for use in powder metallurgy |
| 07/16/1996 | US5536378 Apparatus for manufacture of oxygen from lunar ilmenite |
| 07/16/1996 | US5536294 Process for extracting precious metals from volcanic ore |
| 07/16/1996 | US5535991 Plant for producing molten pig iron or molten steel pre-products |
| 07/11/1996 | DE19548143A1 Hot agglomeration of pre-reduced iron ore for ingot prodn. |
| 07/09/1996 | US5534046 Process for producing molten pig iron or molten steel pre-products |
| 07/03/1996 | EP0719346A1 Ilmenite processing using cold milling |
| 07/03/1996 | EP0658214A4 Upgrading titaniferous materials. |
| 06/27/1996 | DE4446494A1 Appts. for briquetting compactable material, e.g. metal sludges for recovery |
| 06/26/1996 | EP0656072A4 Binder composition and process for agglomerating particulate material. |
| 06/26/1996 | EP0584092B1 Process and device for cleaning fatty substances, especially oil, from granular materials |
| 06/26/1996 | CN1125255A Hot pressed carboniferous ore ball fast direct reducing or calcining process |
| 06/25/1996 | US5529606 Oxidation process and the separation of metals from ore |
| 06/19/1996 | CN1124782A Copper fine-powdery agglomeration and preparing process thereof |
| 06/12/1996 | EP0715549A1 Removal of paint, lacquer and other coatings from metal and alloy materials |
| 06/12/1996 | CN1124233A Method for water-granulating calcium ferrite slag |
| 06/11/1996 | CA1338370C Process for recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metals |
| 06/06/1996 | WO1996017090A1 Method for producing iron feedstock |
| 06/06/1996 | CA2206555A1 Method for producing iron feedstock |