Patents for C22B 5 - General processes of reducing to metals (5,378)
01/1987
01/20/1987CA1216756A1 Chemical process for producing alkali and alkaline earth metals
01/14/1987EP0040243B1 Process and apparatus for producing metals at porous hydrophobic catalytic barriers
01/13/1987US4636353 Novel neodymium/iron alloys
01/10/1987CN85101919A Method for recovering the metal values from materials containing tin and/or zinc
01/07/1987EP0207656A1 Recovery of metals from their alloys with lead
01/06/1987US4635273 Method and apparatus for the thermal production of metal carbides and metals
12/1986
12/30/1986EP0206008A2 Mixed binder systems for agglomerates
12/23/1986CA1215679A1 Spontaneous deposition of metals using fuel fed catalytic electrode
12/23/1986CA1215677A1 Method of producing metals or metal alloys and an arrangement therefor
12/23/1986CA1215546A1 Process for recovering noble metals belonging to group viii of the periodic system of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether
12/16/1986US4629506 Process for the production of ferrochromium
12/04/1986WO1986007097A1 Metal halide reduction with molten sodium/potassium alloy
11/1986
11/19/1986CN86101735A Metallurgical composites and processes
11/18/1986US4623386 Energy efficient
11/18/1986US4622905 Furnacing
11/06/1986WO1986006361A1 Preparing metal compounds, alloys and metals by pyrolysis
10/1986
10/29/1986EP0199441A1 Reductive smelting of sulfides and a burner therefor
10/22/1986CN85103256A Method and means for mfg. a preformed metal product
10/15/1986CN85103346A Process for direct reduction of briquets bound with high molecular substances
10/14/1986US4617671 Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys
10/08/1986CN85101039A Method and plant for reducing oxidic material while simultaneously generating a gas suitable for the recovery of thermal energy
10/07/1986US4615729 Roasting sulfidic copper feed with s02 scavenger
10/07/1986CA1212243A1 Means for separating solid and molten particles from the exhaust gases of metallurgical furnaces and way to recover lead from such gases
10/01/1986CN86100416A Apparatus for the pyrometallurgical processing of fine-grained solids to make molten products
09/1986
09/30/1986CA1211931A1 Apparatus for preparing high-melting-point high- toughness metals
09/23/1986US4613366 Continuous reactive metal reduction using a salt seal
09/23/1986US4613364 Method and means for manufacturing a preformed metal product
09/16/1986USRE32247 Process for the direct production of steel
09/16/1986US4612041 Process for recovering valuable metals from an iron dust containing a higher content of zinc
09/12/1986WO1986005211A1 A method for working-up waste products containing valuable metals
09/10/1986EP0193976A1 Apparatus for the pyrometallurgical treatment of fine-granular solid materials to obtain fused products
09/09/1986US4610720 Method for preparing high purity vanadium
09/03/1986CN85107375A Apparatus for producing ignitable solids-gas suspensions
09/03/1986CN85103967A Smelting of rare earth fine ore briquettes (or lumps) to prepare rare earth fine slag and niobium ferric phosphorate
08/1986
08/26/1986USRE32234 Non-ferrous metal treatment
08/26/1986US4608083 Method for recovering the valuable metal content of contaminated copper raw material
08/20/1986CN85109738A Rare earth alloy powder and process for producing the same
08/19/1986US4606764 Method of recovering metals from ores using a formate reducing agent
08/19/1986US4606761 Such as iron ore with carbon monoxide and/or hydrogen
08/19/1986US4606760 Method and apparatus for simultaneously separating volatile and non-volatile metals
07/1986
07/22/1986US4601752 Iron from ilmenite
07/08/1986US4599108 Method for processing sulphide concentrates and sulphide ores into raw material
07/08/1986EP0129555A4 Process and apparatus for obtaining silicon.
07/08/1986CA1207129A1 Plasma injected fluidised bed method and heating installation, its uses for nitrous oxyde synthesis, coal gasification and ore reduction
07/01/1986US4597948 Apparatus for obtaining silicon from fluosilicic acid
06/1986
06/18/1986EP0184722A1 Rare earth alloy powders and process of producing same
06/17/1986US4595412 Heating ammonium molybdate salt in reducing atmosphere to convert salt to molybdenum dioxide, heating to obtain metal
06/11/1986EP0184405A2 Processes and apparatus for the smelting reduction of ores
06/11/1986EP0043373B1 Process and device for continuous reduction and melting of metal oxides and/or prereduced metal materials
06/10/1986US4593886 Method for charging liquid slag to a closed smelting furnace
06/03/1986CA1205291A1 Recovery of titanium values
05/1986
05/20/1986CA1204598A1 Procedure for producing lead bullion from sulphide concentrate
05/13/1986US4588436 Method of recovering metals from liquid slag
05/10/1986CN85108811A Processes and apparatus for the smelting reduction of ores
05/06/1986US4586443 Method and apparatus for in-flight combustion of carbonaceous fuels
05/06/1986CA1203988A1 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal
05/06/1986CA1203987A1 Metal recovery process
04/1986
04/22/1986US4584018 Method for production of refractory metal from a chloride thereof
04/22/1986CA1203385A1 System for coal injection in iron oxide reducing kilns
04/15/1986US4582532 Thermal reduction process for production of calcium using aluminum as a reductant
04/09/1986EP0177471A1 A method for recovering the valuable metal content of contaminated copper raw material
04/09/1986EP0177090A2 Device for the production of inflammable solid/gas suspensions
04/08/1986US4581065 Process for the metallo-thermic reduction of beryllium oxide, beryllium minerals, as well as mixtures of beryllium containing metal oxides
03/1986
03/25/1986US4578254 Process for the refining of sulfidic concentrates which contain arsenic, antimony and bismuth
03/25/1986US4578242 Metallothermic reduction of rare earth oxides
03/25/1986CA1202185A1 Method and apparatus for converting matte, particularly high-grade matte
03/25/1986CA1202184A1 Dead roast-oxide flash reduction process for copper concentrates
03/25/1986CA1202183A1 Apparatus and method for producing purified refractory metal from a chloride thereof
03/25/1986CA1202182A1 Apparatus and method for production of refractory metal from a chloride thereof
03/19/1986EP0174641A2 A process for recovering valuable metals from an iron dust containing a higher content of zinc
03/12/1986EP0174291A1 Process and installation for melting metals for non-ferrous oxidic and/or finely ground sulfidic ores or concentrates
02/1986
02/25/1986US4572736 Stoichiometric conversion of magnesia with carbon at high temperat
02/18/1986US4571261 Method for recovering lead from waste lead products
02/18/1986CA1200702A1 Method of recovering metals from liquid slag
02/10/1986CN85103877A Lead-smelting method without pollution problem
02/05/1986EP0170566A1 Method of heating the blast gas of a blast furnace with a plasma generator
02/05/1986EP0170373A1 Metallothermic reduction of rare earth oxides
02/05/1986EP0170372A1 Metallothermic reduction of rare earth oxides with calcium metal
02/04/1986US4568065 Means for separating solid and molten particles from the exhaust gases of metallurgical furnaces and way to recover lead from such gases
01/1986
01/28/1986US4566903 Method for the pyrometallurgical treatment of fine grained solids to produce molten products
01/21/1986US4565354 Apparatus for producing purified refractory metal from a chloride thereof
01/14/1986US4564507 Reductive decontamination of magnesium fluoride
01/07/1986CA1198899A1 Method of, and arrangement for, reducing oxide- containing fine-particle ores
01/02/1986EP0166482A2 Improved process for recovering metals from the corresponding metal halides
01/02/1986EP0166481A2 Process for obtaining silicon or transition metals from their halides
12/1985
12/31/1985US4561883 Method of producing metals or metal alloys and an arrangement therefor
12/31/1985CA1198593A1 Method and apparatus for forming a directional and controlled suspension spray of a pulverous material and a reaction gas
12/18/1985EP0164878A2 Method of operating metallurgical furnace
12/10/1985US4557760 Heat treating catalyst with an ethyleneglycoldialkyl ether
12/03/1985US4556420 Process for combination metal reduction and distillation
10/1985
10/16/1985EP0157917A2 Reduction of metal compounds
10/01/1985US4544141 Process and apparatus for continuous converting of copper and non-ferrous mattes
09/1985
09/04/1985EP0153353A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials
08/1985
08/20/1985US4536213 Reforming of higher hydrocarbons for metal oxide reduction
08/13/1985US4534792 Magnesium reduction of uranium oxide
08/06/1985US4533387 Chemical process for producing alkali and alkaline earth metals
08/06/1985US4533385 Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys
07/1985
07/23/1985CA1190751A1 Process and apparatus for continuous converting of copper and non-ferrous mattes
07/16/1985CA1190401A1 Process for treating sulphated lead compounds for recovering metallic lead and a high-purity sulphate and an installation therefor
07/09/1985US4527778 Apparatus for production of refractory metal from a chloride thereof
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