Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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07/27/1995 | WO1995020022A1 Utilizing discarded carbon |
07/27/1995 | CA2179885A1 Utilizing discarded carbon |
07/25/1995 | US5435835 Method and system for removing and/or causing recycling of materials |
07/25/1995 | US5435834 Ore pelletization |
07/25/1995 | CA2001718C Agglomerating process of sinter mix and apparatus therefor |
07/20/1995 | WO1995019454A1 Method for recycling aluminum alloy product scraps for automobile |
07/19/1995 | CN1105391A Sintering method by use of circulated low-temp. waste gas of cooler |
07/13/1995 | WO1995018940A1 Method and apparatus for combustion of steel plant wastes |
07/13/1995 | WO1995018871A1 Method and system for removing and/or causing recycling of materials |
07/11/1995 | US5431717 Method for rendering refractory sulfide ores more susceptible to biooxidation |
07/05/1995 | CN1104838A Apparatus for preheating and supplying scraps |
06/28/1995 | EP0568670A4 Regeneration of hydrochloric acid. |
06/28/1995 | CN1104258A Calcium-less granulating roasting chrominm salt production technology |
06/21/1995 | EP0658214A1 Upgrading titaniferous materials |
06/21/1995 | EP0652977A4 Treatment of titaniferous materials. |
06/20/1995 | US5425799 Process for roasting refractory gold ores |
06/14/1995 | EP0657552A1 Method for recovering zinc from zinc containing dust |
06/13/1995 | US5423951 From coal; oxygenation, compression, heat treatment, drying, pyrolysis, carbonizing and cooling |
06/08/1995 | WO1995015403A1 Biooxidation of refractory sulfide ores |
06/07/1995 | EP0656072A1 Binder composition and process for agglomerating particulate material |
06/07/1995 | CN1103484A Apparatus for water-granulating slag |
06/06/1995 | US5421859 Drying, pyrolyzing, carbonizing, cooling, self-reduction of oxides of ores and carbon composite to form end metals or intermediate for stainless steel, carbon steel etc |
06/06/1995 | US5421858 Heating the ore prior to agglomeration for recovery of precious metal values |
06/06/1995 | US5421857 Method for obtaining metals, their compounds, and alloys from mineral raw materials |
06/06/1995 | US5421853 High performance binder/molder compounds for making precision metal part by powder injection molding |
05/31/1995 | CN1103160A Vertical agglomerate cooling machine |
05/31/1995 | CN1103111A Making rare-earth material liquid from bastnae site |
05/24/1995 | EP0501967B1 Compacting scrap metal in a tube for recycling |
05/24/1995 | CN1102861A Method of adding micro-binder for metallurgical briquetting and sintering |
05/24/1995 | CN1028544C Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases |
05/23/1995 | US5417738 Method for recovering metals included in the slag generated from steel making process |
05/17/1995 | EP0652977A1 Treatment of titaniferous materials |
05/16/1995 | US5416792 For a furnace |
05/11/1995 | WO1995012690A1 Rotating and angularly spaced scrap preheating vessels adjacent to a melting furnace in a compact arrangement |
05/11/1995 | CA2135361A1 Fiber bonded agglomerated ore materials and the like |
05/10/1995 | EP0652055A1 A device and process for pre-treating electronic circuit scraps |
05/03/1995 | EP0651064A1 A device and process for the pretreatement of electronic scrap |
04/26/1995 | CN1028299C Method of making mud balls for dedusting steel-smelting converter |
04/25/1995 | US5409577 Carbonization apparatus |
04/19/1995 | EP0648920A1 Method and apparatus for processing hollow bodies filled with metallic sodium |
04/19/1995 | CN1101678A A method of producing cold-moulded iron-containing briquettes |
04/19/1995 | CN1101677A Single Charging stock recipe for blast furnace iron-smelting and apparatus |
04/11/1995 | US5406579 For a low pressure treating chamber |
04/11/1995 | US5405428 Controlled heating using a halogenated compound as a protective agent; oxidation resistance |
04/05/1995 | EP0646758A1 Apparatus for preheating and supplying scraps |
03/30/1995 | WO1995008652A1 Roasting of titaniferous materials |
03/30/1995 | CA2172277A1 Roasting of titaniferous materials |
03/23/1995 | WO1995008004A1 Ilmenite processing using cold milling |
03/23/1995 | CA2169947A1 Ilmenite processing using cold milling |
03/21/1995 | US5400358 Continuous scrap preheating |
03/08/1995 | EP0641864A1 Process for roasting refractory gold ores |
03/07/1995 | US5395441 Including finishing mill scale, slag, blast furnace dust, binder consisting of a cement composition and bentonite; improved cold and hot strength |
03/04/1995 | CA2130774A1 Slurry pipeline leaching method |
03/01/1995 | CN1099423A Organic binder for metallurgy |
03/01/1995 | CN1099422A Iron-containing oxide briquet for cupola and making process thereof |
03/01/1995 | CN1099421A Belt-type roasting device and method using coal powder |
03/01/1995 | CN1099420A Preheating device of raw briquet |
02/22/1995 | EP0630352A4 Preparation of granular alkali metal borate compositions. |
02/22/1995 | CN1099071A Recovery of precious metal values from pefractory ores |
02/21/1995 | US5391215 Method for producing high-purity metallic chromium |
02/14/1995 | CA1334338C Particle agglomeration process |
02/08/1995 | CN1098441A Method for producing particle agglomerate for steel-smelting by oxygen converter damp dust |
02/07/1995 | US5386974 Apparatus for treating gases and particulate solids in a fluid bed |
02/02/1995 | WO1995003433A1 Process for producing briquettes from smelting residues |
02/01/1995 | EP0636697A1 Apparatus for water-granulating slag |
02/01/1995 | CN1027546C Technique for smelting waste metallic scrap into steel |
01/31/1995 | US5385602 Agglomerating by extrusion |
01/26/1995 | WO1995002471A1 Removal of paint, lacquer and other coatings from metal and alloy materials |
01/26/1995 | CA2166864A1 Removal of paint, lacquer and other coatings from metal and alloy materials |
01/24/1995 | US5384343 Water absorbing polymers |
01/17/1995 | US5382279 Method and apparatus for combustion of steel plant wastes |
01/17/1995 | US5382278 Pyrometallurgy, exchange reaction with iron oxide removes chromium to slag phase, recovering nickel and cobalt |
01/12/1995 | WO1995001460A1 Method of extracting fluorine from minerals or mineral species |
01/11/1995 | EP0632843A1 Process and plant for removing lead and zinc from metallurgical-works dust. |
01/11/1995 | CN2187176Y Sintering device for oxidation briquette |
01/10/1995 | US5380504 Treatment of gold bearing ore |
01/10/1995 | US5380351 Mixing with water |
12/31/1994 | CA2127017A1 Apparatus for water-granulating slag |
12/28/1994 | EP0630980A1 A method of producing cold-moulded iron-containing briquettes |
12/28/1994 | EP0630352A1 Preparation of granular alkali metal borate compositions |
12/28/1994 | CN1027202C System for reclaiming material from waste electric wire |
12/27/1994 | US5376162 Producing magnetic gamma hematite in self-sustaining closed cycle system |
12/27/1994 | US5376156 Method for binding particulate wastes such as dusts, fibers, paper and metal wastes or the like, into solids |
12/27/1994 | US5375720 Dry separation of particulate material of different densities |
12/27/1994 | CA1333700C Waterflow differential electrical charging process for ores |
12/21/1994 | EP0629717A2 Apparatus and process for cleaning, particularly degreasing, electrically conducting materials |
12/21/1994 | EP0629712A1 A process for treating compositions containing noble metals and, optionally, other valuable elements in order to recover said valuables |
12/21/1994 | CN2185635Y Rotating-expressing type hollow agglomeration machine |
12/20/1994 | US5374299 In-flight oxidation in first reaction zone; sulfidation or reduction of reaction products in second zone |
12/14/1994 | CN1096329A Method of low-temp. agglutinating bloodstone and limonite dust |
12/13/1994 | US5372632 Mixing with acrylonitirel binder |
12/08/1994 | WO1994028183A1 Method and facility for recovering at least one metal contained in waste and scrap from industrial products |
12/08/1994 | WO1994027725A1 Beneficiation of saline minerals |
12/08/1994 | DE4416699A1 Process for the utilization of metallic residual material, in particular turnings material, in melting furnaces |
12/07/1994 | EP0627493A1 Process and installation for preheating of scrap |
11/30/1994 | EP0625957A1 Acid regeneration |
11/24/1994 | WO1994026941A1 Method and equipment for thermolytic vacuum processing of solid products, with continuous separation and recovery of a liquid fraction of these products |
11/17/1994 | EP0624656A1 Process and installation for the treatment of solid products by vacuumthermolysis with continuously separation and recovery of a liquid fraction of these products |
11/17/1994 | DE4315822A1 Process for sintering iron oxide-containing materials on a sintering machine |
11/15/1994 | US5364453 Method for recovering gold and other precious metals from carbonaceous ores |