Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
09/1984
09/12/1984EP0118149A1 Process for fire-hardening green pellets on a pellet-burning machine
08/1984
08/28/1984US4468253 Method and apparatus for continuously manufacturing non-sintered pellet
08/28/1984CA1173255A1 Process for reducing the iron content of iron-, silicon- and aluminum-containing raw materials and for producing ferric oxids, optionally along with an alumina concentrate
08/15/1984EP0115819A1 Device for the admission of a pulverized liquid with pressure amplifier
08/14/1984US4465592 Vibrating conveyor for delivering a stream of green pellets of even thickness
08/14/1984US4465510 Agglomeration of iron ores and concentrates
08/14/1984US4464830 Process for the disassembling of scrap alkaline electric storage batteries
08/07/1984US4464344 Process for recovering non-ferrous metal values from ores, concentrates, oxidic roasting products or slags
07/1984
07/31/1984US4462822 Molybdenum dioxide-molybdenite roasting
07/24/1984CA1171285A1 Heat recovery and melting system for scrap metals
07/24/1984CA1171227A1 Process for the production of silicon-containing and carbon-containing raw material mouldings, and the use of such mouldings
07/03/1984US4457840 Apparatus for delivering a stream of green pellets
06/1984
06/21/1984WO1984001963A3 Process for minimizing the decomposition by reduction of iron ores and agglomerates of iron ores used as load in a high furnace
06/19/1984US4455285 Heat treatment of material
06/12/1984US4453703 Sintering machine
05/1984
05/29/1984US4451289 Process for extracting non-ferrous metals from iron-bearing scraps
05/24/1984WO1984001963A2 Process for minimizing the decomposition by reduction of iron ores and agglomerates of iron ores used as load in a high furnace
05/08/1984US4447261 Layering granular wastes and sintering mixture of iron oxide and carbonaceous fuel, then combustion
05/02/1984EP0106997A2 Method of processing scrap metal and plant for its mechanical processing
05/01/1984US4445849 Device for thermal treatment of scrap
04/1984
04/25/1984EP0106468A1 Process for the chlorination of oxidic materials
04/18/1984EP0105542A1 Process for producing metallic chlorides
04/17/1984US4443184 Process and apparatus for igniting a sinter mix
04/11/1984EP0105164A1 Process for the chlorination of oxidic materials
04/10/1984US4441922 Treatment method for metal bearing oily waste
04/10/1984US4441920 Method for the thermal production of metals
04/10/1984CA1165112A1 Method and apparatus for thermally treating pulverulent materials
03/1984
03/28/1984EP0103940A1 Process for preparing vanadium halides
03/20/1984US4437889 Nitric acid
03/20/1984US4437884 Ore roasting with recycle of gases
03/20/1984CA1163767A1 Aggregates
03/14/1984EP0102892A1 Process for manufacturing high purity metals and alloys
03/13/1984US4436529 Without necessity for separate slag former
03/06/1984US4434942 Process and apparatus for attrition carried out in a humid medium
03/06/1984CA1163382A1 Process of treating dust containing zinc and lead and derived in an iron or steel making process
02/1984
02/28/1984US4434001 Method for manufacturing metal from fine-grain metal-oxide material
02/21/1984US4432788 Heating with saturated steam to harden
02/14/1984CA1162055A1 Method of carbothermically producing aluminum
01/1984
01/31/1984US4428831 Discharge arrangement for removing green pellets out of a pelletizing arrangement
01/31/1984CA1161256A1 Cold bonding mineral pelletization
01/17/1984CA1160459A1 Enhancement process for uranium derived from a uraniferous mineral containing arsenic
01/17/1984CA1160456A1 Process of heat-treating pellets
01/10/1984US4424891 Equipment for reclaiming the waste products of machining
01/10/1984CA1160055A1 Method for the recovery of valuable metals from finely-divided pyrite
01/04/1984EP0097292A2 Process and installation for making binderless heating briquettes
12/1983
12/28/1983EP0097144A1 Process for separating non ferrous metals from residues containing iron oxide
12/27/1983CA1159401A1 Sieving roller conveyor for green pellets
12/21/1983EP0096241A1 Production of metal chlorides
12/20/1983US4421552 Smelting calcine
12/13/1983US4420302 Method and apparatus for thermally treating pulverulent materials
12/13/1983CA1158442A1 Self-reducing iron oxide agglomerates
12/06/1983US4419036 Apparatus for charging a shaft furnace
11/1983
11/29/1983CA1157666A1 Leaching process for metal ores
11/29/1983CA1157657A1 Low density compacts of prepared mix for use in the production of silicon and ferrosilicon
11/22/1983US4416688 Direct reduction of ores and concentration of metallic values
11/15/1983US4415540 Roasting; leaching with sulfuric acid; separation; circulation; simplification
11/15/1983US4415527 Desulfurization process for ferrous powder
11/15/1983US4415360 Method for working-up metal-containing waste products
11/08/1983CA1156469A1 Strengthening phosphate shale briquettes
11/01/1983CA1156052A1 Recovery of metal values
10/1983
10/25/1983US4411695 Mixing, agitation with oxidizing gases
10/25/1983US4411612 Apparatus for recovering precious metals from their ores
10/18/1983US4410355 Process for controlling a pelletizing plant for fine-grained ores
10/11/1983US4409101 Fluidized bed apparatus
10/11/1983US4409020 Recovery of metals from grinding sludges
10/11/1983CA1154971A1 Method for working-up arsenic-containing waste products
10/04/1983US4407672 Method for the recovery of iron units from flue dust generated in a steel making process
10/04/1983CA1154595A1 Method for recycling oily mill scale
09/1983
09/20/1983US4405588 Process of removing iron impurities from ores
09/20/1983CA1153894A1 Fluxed pellets for iron-making
09/06/1983US4402736 Cold bonding mineral pelletization
08/1983
08/30/1983US4401463 Process for the recovery of metals from the scrap from nickel-cadmium electric storage batteries
08/23/1983US4400207 Briquets of metal oxide, iron silicide, bentonite and water as alloying additive for steel melts
08/16/1983US4398956 Spherical fly ash particles
08/16/1983US4398876 Hot-briquetting apparatus for reduced iron
08/09/1983CA1151624A1 Process and apparatus for attrition carried out in a humid medium
08/09/1983CA1151429A1 Process for beneficiation of oxidic ores
08/09/1983CA1151420A1 Method and apparatus for the ignition of a solid fuel and a sinterable mixture
07/1983
07/26/1983US4395315 Recovery of nickel from waste materials
07/26/1983US4395285 Low density compacts of prepared mix for use in the production of silicon and ferrosilicon
07/26/1983US4394978 Grinding and separation into powders of metal and metal oxide
07/26/1983CA1150515A1 Process and apparatus for deoiling and agglomerating oil-bearing mill scale
07/19/1983US4394167 Method of carbothermically producing aluminum
07/19/1983CA1150056A1 Iron ore pellets containing mgo
07/12/1983CA1149617A1 Porous iron ore pellets and process for manufacturing same
06/1983
06/21/1983US4389493 Process for the production of silicon-containing and carbon-containing raw material moldings, and the use of such moldings
06/21/1983US4389243 Method for the flash oxidation of metal concentrates
06/14/1983US4388116 Passivation of sponge iron
06/14/1983CA1147963A1 Iron ore pellets containing coarse ore particles
06/09/1983EP0067150A4 Dust trap valve with removable double-life door and valve seat member.
06/08/1983EP0080589A1 Method and equipment for cleaning roll scales contaminated with greasy substances, especially oil, and for the production of petroleum from oil-containing minerals
05/1983
05/31/1983US4386061 Method of treating pyrite bearing polymetallic material
05/31/1983US4385928 Agglomeration method
05/24/1983CA1146748A1 Apparatus and method for treating an aggregate material with a flowing gas
05/18/1983EP0079264A1 Process for the agglomeration of iron ores on a sintering grate, and installation
05/17/1983CA1146337A1 Process for the selective production of a plurality of individual pure halides and/or halide mixtures from a mixture of solid oxides
05/10/1983US4382856 Recovery of tin
05/10/1983CA1145951A1 Process for beneficiating gold
04/1983
04/12/1983CA1144366A1 Sprinkler burner and method of introducing particulate material and a gas into a reactor
04/06/1983EP0075979A2 Process for the disassembling of scrap alkaline electric storage batteries