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