Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
06/1996
06/05/1996EP0632843B1 Process for removing lead and zinc from metallurgical-works dust
06/04/1996US5522153 Device and process for pre-treating electronic circuit scraps
05/1996
05/28/1996US5520719 Process for producing sintered iron ore product
05/28/1996US5520372 Process and device for preheating scrap
05/23/1996WO1996015279A1 Processing of sulphides
05/22/1996EP0712446A1 Process for producing briquettes from smelting residues
05/17/1996WO1996014173A1 Method of recovering metal materials from gas generator for air bag
05/14/1996US5516976 Sulphate agglomeration
05/08/1996EP0710297A1 Method of extracting fluorine from minerals or mineral species
05/07/1996US5514203 Adding quicklime binder and coal dust to dehydrated sludge, granulation, charging to melting/gasification zone while increasing basicity of slag
04/1996
04/30/1996US5513206 Apparatus for preheating and charging scrap materials
04/30/1996US5512636 Cationic graft polymer agglomeration agents for mineral bearing ores
04/30/1996CA2093194C Process to stabilize scrubber sludge
04/25/1996DE4437549A1 Thermal treatment of iron ore to convert it into metallic iron@
04/17/1996EP0613587B1 Method of processing used batteries
04/17/1996CN1120588A Calcining system and technique for fluidized bed-mobile bed mixed reactor
04/10/1996CN1120076A High-firmness hydrogen absorbing and its isotopic absorption agent
04/10/1996CN1120075A Additive for metallurgy
04/10/1996CN1120074A Method of production for direct reduction furnace charge by cold-consolidation briquetting method
04/09/1996US5505925 Process for removing heavy metals from soil
04/09/1996US5505903 Mixing magnetite waste metallurgical material with hematite, adding binder
03/1996
03/28/1996WO1996009416A1 Bonded medium
03/28/1996WO1996009415A1 Sintered ore manufacturing method using high crystal water iron ore as raw material
03/28/1996CA2200333A1 Bonded medium
03/27/1996CN1119216A Process for preparing neodymium and neodymium-dysprosium compounds by recovering waste neodymium-iron-boron
03/21/1996DE4432721A1 Briquette prodn. from iron-contg. residues
03/20/1996EP0702092A1 Method for water-granulating calcium ferrite slage
03/20/1996EP0702091A1 Method for the control of surface properties of magnesium particles
03/19/1996US5499770 Apparatus for suspension of particles in an ultrasonic field
03/17/1996CA2158226A1 Method for the control of surface properties of magnesium particles
03/12/1996CA1338126C Continuous feed shaft retort process and apparatus for recovery of non ferrous metals
03/07/1996WO1996006955A1 Sulphate agglomeration
03/07/1996CA2155049A1 Cationic polymer agglomeration agents for mineral bearing ores
02/1996
02/28/1996EP0698126A1 Method and facility for recovering at least one metal contained in waste and scrap from industrial products
02/28/1996CN1031145C Process of sintering iron oxide-containing materials on sintering machine
02/27/1996US5494649 Leaching copper, lead and tin with methanesulfonic acid
02/22/1996WO1996005329A1 Hydrometallurgical conversion of zinc sulfide to sulfate from zinc sulfide containing ores and concentrates
02/21/1996CN1117083A Process for producing an iron melt
02/07/1996EP0695370A1 Agglomerating by extrusion
02/07/1996CN1116242A Adhesive for metal powdered ore prilling (block)
02/01/1996DE19509189C1 Rotary sinter cooler
01/1996
01/30/1996US5487764 Reclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and related methods
01/24/1996CN1115336A Method for preventing sponge iron from binding in production
01/18/1996WO1996001333A1 Sintering an iron ore blend containing porous ores
01/18/1996WO1996001332A1 Method and apparatus for used aluminum can recycling
01/18/1996DE4431939C1 Method and appts. for heat treatment of materials
01/18/1996DE4424825A1 Safe disposal of dry batteries and recovery of materials
01/18/1996CA2192477A1 Method and apparatus for used aluminum can recycling
01/11/1996WO1996000800A1 Sintered steel manufacturing process
01/10/1996CN1114689A Sintering process for making cherry small ball by adding water soluble additives in iron concentrate
01/10/1996CN1114688A Method for improving air permeability of sinter by adding nucleus material
01/03/1996EP0689614A1 Briquette to be used as slag-forming material in smelting furnaces and process for producing it
12/1995
12/27/1995EP0594622B1 Solids feed system and method for feeding fluidized beds
12/20/1995EP0687349A1 Method and apparatus for combustion of steel plant wastes
12/20/1995EP0687309A1 Method and system for removing and/or causing recycling of materials
12/19/1995US5476533 Oxygen enrichment
12/19/1995US5476248 Apparatus for producing high-purity metallic chromium
12/05/1995US5472675 Polyvinyl alcohol agglomeration agents for mineral bearings ores
11/1995
11/28/1995US5470554 Benefication of saline minerals
11/22/1995CN1112164A Production method and apparatus for preheating mixed sinter material using sintered hot waste gas
11/21/1995US5468279 Slag in copper converting process
11/09/1995WO1995029779A1 Treatment of metal granules
11/07/1995US5464465 Polyacrylonitrile, iron ore
11/02/1995EP0679726A2 Process and installation for valorisation of waste, contaminated with organic substances, and sinter product
11/02/1995EP0679197A1 Process for manufacturing corrosion resistant metal products
10/1995
10/19/1995WO1995027802A1 Method and installation for the heat treatment of materials
10/19/1995CA2184843A1 Method and arrangement for heat-treating a material
10/18/1995CN1110325A Alkaline carbonaceous flue dust powder cooled agglomerated pellet
10/17/1995US5458990 Method of processing used batteries
10/11/1995EP0676478A1 Process for producing an iron melt
10/10/1995US5456992 Process for battery recycling
10/03/1995US5454714 Equipment for and method of precalcining any mineral materials whatsoever
09/1995
09/28/1995WO1995025595A1 Method and device for treating composite elements
09/28/1995WO1995025585A1 A process for producing agglomerates
09/28/1995DE4421360A1 Grinding and classification of scrap composite materials
09/28/1995DE19509808A1 Separating and recovering the components of composites
09/28/1995CA2186132A1 A process for producing agglomerates
09/27/1995EP0673681A1 Method of treating fine ore
09/27/1995EP0625957A4 Acid regeneration.
09/27/1995EP0588814B1 Treatment of automobile shredder residue by vacuum pyrolysis
09/26/1995US5453103 Compression, clean burning fuel
09/19/1995US5451297 Vacuum pyrolysis after shredding and separation by circulation
09/19/1995US5451033 Heat processing apparatus
09/13/1995EP0670910A1 Process and device for producing pig iron from iron ore or for thermally and/or chemically treating an easily decomposable material
08/1995
08/30/1995CN1107518A Method for microbial-chemical dephosphorization of iron ore
08/30/1995CN1029629C Method for mfg. sintered briquette of full magnetic iron washed ore
08/29/1995US5445789 Pressing wastes within vacuum chamber and charging plunger as electrode and trough as counterelectrode to heat material
08/24/1995DE4411505C1 Travelling grate sintering process for oxidic ore
08/23/1995EP0540562B1 Decontamination and/or surface treatments of aluminium and alloys thereof
08/23/1995CN1107184A Method for recovering zinc from zinc containing dust background of the invention
08/23/1995CN1107182A Method for controlling low-temp. reducing pulverizing of blast ore burden and device of collecting and spraying
08/22/1995US5443788 Method and apparatus for formation of briquettes comprising balancing the surface area between atomized binder and fines
08/22/1995US5443621 Improved leaching
08/15/1995US5441205 Apparatus for water-granulating slag
08/15/1995CA1336646C Reduced chromium-ore bearing powder and method for producing the same
08/15/1995CA1336641C Ore pellets containing carboxymethylhydroxyethylcellulose and sodium carbonate
08/09/1995EP0665899A1 Process and device for melting scrap
08/09/1995CN1106464A Converter fly ash steelmaking
08/08/1995US5439505 Treatment of steel mill waste for recycling
08/01/1995US5437707 Apparatus for treating iron ore
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