Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
04/1983
04/06/1983EP0075978A2 Process for the recovery of metals from the scrap from nickel-cadmium electric storage batteries
04/05/1983US4379108 Strengthening phosphate shale briquettes
04/05/1983CA1143952A1 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons
04/05/1983CA1143940A1 Device for th vibration of slags
03/1983
03/29/1983CA1143571A1 Method and apparatus for separating insufficiently cooled metal sponge particles from a mass of such particles
03/22/1983CA1143166A1 Recovery of nickel and other metallic values from waste
03/15/1983US4376647 Heating with water vapor to form hydrogen sulfide, reacting hydrogen sulfide with lime to form calcium sulfide followed by separation
03/08/1983US4376043 Process of treating dust containing zinc and lead and derived in an iron or steel making process
03/08/1983CA1142367A1 Method of treating pyrite bearing polymetallic raw material
03/01/1983CA1141951A1 Process and system for cooling sintered strand
02/1983
02/16/1983EP0071602A1 Method and apparatus for handling flux fines
02/15/1983US4374097 Method for recovering precious metals
02/15/1983US4373946 Process of heat-treating pellets
02/15/1983CA1141164A1 Process of briquetting sponge iron-containing material
02/08/1983US4372779 And powders in proper distribution
01/1983
01/26/1983EP0070819A1 A method for working-up metal-containing waste products
01/18/1983US4369062 In steelmaking
01/18/1983CA1139532A1 Process for the agglomeration of solids
01/11/1983US4368176 Desulfurizing roast of pyrite bearing polymetallic raw material
01/04/1983US4367091 Fired iron-ore pellets having at least two different precipitated slag phases and process for producing the same
01/04/1983US4367065 Method for firing coal in pyro-processes using direct heat recuperation from a cross flow heat exchanger
12/1982
12/28/1982US4366145 Soft gelatin capsule with a liquid ergot alkaloid center fill solution and method of preparation
12/22/1982EP0067150A1 Dust trap valve with removable double-life door and valve seat member
12/15/1982EP0067139A1 A method for treating waste material which includes metal and/or metal oxide, organic material and possibly also water; and apparatus for carrying out the method
12/14/1982CA1137319A1 Method of sintering pellets
12/14/1982CA1137304A1 Heat treatment of material
12/14/1982CA1137303A1 Method and apparatus for heat treating materials to remove contaminants
12/08/1982EP0066539A1 Scrap heating apparatus
12/07/1982US4362607 Recovery of copper and zinc from complex chloride solutions
12/07/1982US4362559 Method of introducing addition agents into a metallurgical operation
12/07/1982US4362484 Apparatus for hot briquetting of ferrous or non-ferrous metallic particles
11/1982
11/30/1982CA1136420A1 Process for producing metallized iron pellets
11/23/1982US4360380 Process for recovery of metal values from sludges
11/23/1982US4360379 Process for the removal of rust from cast iron borings and the like in preparation for melting
11/09/1982CA1135060A1 Method for removing sulfur oxides from hot exhaust gases produced during manufacture of reduced iron pellets
10/1982
10/27/1982EP0063555A2 Chlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconium
10/27/1982EP0063551A2 A method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts
10/27/1982EP0063201A1 Procedure to cool the walls of a skip to charge scrap, and skips for charging scrap
10/27/1982EP0063134A1 A method for the chlorinating refinement of iron raw materials
10/26/1982US4356027 Iron ore pellets containing magnesium oxide
10/26/1982CA1134149A1 Moving bed chlorination of bauxite and ilmenite
10/26/1982CA1134140A1 Method and apparatus for removing combustible material from metal scrap
10/13/1982EP0062337A2 Process for the recovery of valuable material
10/12/1982CA1133447A1 Method for processing solid raw materials such as minerals and ores, more particularly spathic magnesite ore
10/05/1982CA1132799A1 Weight ratio mixing of volatile containing carbonaceous materials, etc.
09/1982
09/28/1982US4351483 Separation of arsenic from fluorite ore, by means of magnetic separation and flotation of the pyrites to which it is associated
09/21/1982US4350523 Compressive strength; for use in blast furnaces
09/21/1982CA1131888A1 Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas
09/14/1982CA1131577A1 Continuous grate track length compensator
09/07/1982US4348230 For use in metallurgical processes
09/07/1982US4348228 Yield of metal values from incinerated sludges
09/07/1982CA1131187A1 Method for the sorting of excavated ore and a sorting line for carrying out the method
09/07/1982CA1131033A1 Recovery of silver, copper, zinc and lead from partially roasted pyrite concentrate by acid chloride leaching
08/1982
08/31/1982CA1130557A1 Sinter machine-pelletizing machine wear and baffle plate for pallet side plate
08/24/1982US4345530 Installation for burning-out scrap metal
08/24/1982CA1130237A1 Recovery of copper and zinc from complex chloride solutions
08/19/1982WO1982002724A1 Method and apparatus for handling flux fines
08/17/1982CA1129834A2 Spheroidal particles
08/05/1982WO1982002540A1 Wet oxidation of organic matter
08/04/1982EP0056880A1 Process for the production of an agglomerated burden for zinc shaft furnaces
08/03/1982US4342728 Process for digesting tungsten ores containing organic matter
07/1982
07/27/1982US4341744 Charging crushed trona ore to effect electrostatic separation of nonconducting impurities; roasting; beneficiation
07/20/1982CA1127888A1 Inspection of the interior of an enclosure
07/20/1982CA1127853A1 Process for the selective removal of impurities present in sulfidic complex ores, mixed ores or concentrates
07/13/1982US4339402 Um oxide by weight
07/13/1982US4339269 Desulfurization, combustion, fogs
07/13/1982CA1127610A1 Recovery of metal granules from process sludge
07/13/1982CA1127397A1 Briquet sheet breaking by cooling and bending
07/13/1982CA1127365A1 Rolls for compacting mill
07/08/1982WO1982002237A1 Dust trap valve with removable double-life door and valve seat member
06/1982
06/30/1982EP0055004A1 Process for processing moist compositions containing pollution-causing substances and composition
06/29/1982US4337083 Non-polluting, cooling method and heat recuperative sintering method
06/29/1982CA1126535A1 Monitoring continuous casting
06/24/1982WO1982002062A1 A suction sintering method and apparatus therefor
06/24/1982WO1982002061A1 The manufacture of a product to be sintered from fine-grain ironoxide material
06/22/1982US4336218 Method for recovering residual matter accumulated in the production and machining of steel
06/16/1982EP0053921A2 Aggregates
06/09/1982EP0053406A1 Process for the extraction of non-iron metals from residues that contain iron
06/09/1982EP0053139A1 Agglomerates, a process for producing thereof and use thereof.
06/08/1982CA1125031A1 Process for the roasting and chlorination of finely-divided iron ores and/or concentrates containing non-ferrous metals
06/08/1982CA1125030A1 Beneficiation process for oxidized iron ore
06/01/1982US4332551 Pretreatment with high-temperature gases
05/1982
05/27/1982WO1982001724A1 A method for manufacturing metal from fine-grain metal-oxide material
05/26/1982EP0052430A1 Method and apparatus for thermally treating pulverulent material
05/25/1982US4331087 Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas
05/25/1982CA1124141A1 Process of treating sponge iron for protection against reoxidation and apparatus for carrying out the process
05/18/1982US4330246 Apparatus for controlling the proportion of liquid and dry particulate matter added to a pelletizer
05/18/1982CA1123807A1 Process for preparation of raw material minimizing the size degradation of anathase ore
05/11/1982US4329170 Smelting, combustion
05/05/1982EP0050795A1 Method and apparatus for reclaiming metals from metallic scrap material
04/1982
04/29/1982WO1982001381A1 A method for the chlorinating refinement of iron raw materials
04/27/1982US4326887 Basic process of producing basic fluxed pellets for iron-making
04/27/1982US4326883 Pelletization, combustion
04/27/1982US4326702 Sprinkler burner for introducing particulate material and a gas into a reactor
04/13/1982US4324582 Process for the recovery of copper from its ores
04/13/1982CA1121605A1 Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates
03/1982
03/24/1982EP0047742A1 A process for recovering non-ferrous metal values from ores, concentrates, oxidic roasting products or slags.
03/23/1982US4321085 Method of sintering pellets
03/22/1982EP0040223A4 Cold bonding mineral pelletization.
03/16/1982US4319921 Heat recovery and melting system for scrap metals