Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
03/1979
03/20/1979CA1050764A1 Method for forming hard pellets
03/13/1979US4144051 Process for thermally treating solids with high-oxygen gases, especially for pyrometallurgical applications
03/13/1979CA1050281A1 Two-stage fluid bed reduction of manganese nodules
03/06/1979CA1049962A1 Ore tailings treatment
03/06/1979CA1049780A1 Nozzle for rotary kiln
02/1979
02/27/1979US4141945 Method of disposing of precipitated silica
02/27/1979US4141719 Tantalum metal powder
02/27/1979US4141373 Method for deoiling metal scrap
02/20/1979US4140745 Method of recovering magnesia from scrap brick
02/20/1979CA1048957A1 Method of feeding flowable solids onto conveyors
02/13/1979US4139587 Process for forming fluorspar compacts
02/08/1979WO1979000058A1 A method of manufacturing crude iron from sulphidic ironcontaining material
02/06/1979US4138467 Burning off bitumen and coke from particles and recovery thereof
01/1979
01/30/1979CA1047256A1 Process for cooling sinter on the strand
01/30/1979CA1047255A1 Roasting process in the direct reduction of iron oxide-containing ore
01/16/1979US4134946 Or with potassium carbonate, sodium hydroxide or calcium hydroxide; pressing and calcining
01/16/1979US4134944 Iron ore concentrates
01/16/1979US4134755 Method for removing zinc type metals and compounds in dust recovery process in iron manufacture
01/09/1979US4133718 Method for agglomerating finely divided agglomerative materials in a rotary drum assembly
01/09/1979US4133635 Method and apparatus for drying and preheating small metallic particles
01/02/1979CA1045368A1 Hydroextracting composition for wet and finely pulverized ores
12/1978
12/26/1978US4131668 Iron ore pellet process control
12/26/1978CA1044897A1 Pellets useful in shaft furnace direct reduction and method of making same
12/19/1978CA1044468A1 Extracting of iron ore and chromium from nickel lateritic ores
12/12/1978US4129440 Expansion, elutriation, pulping, comminution, pyrolysis
12/12/1978US4129437 Iron ore pellet having a specific shape and a method of making the same
12/05/1978US4128417 Silicon carbide and/or iron silicide
12/05/1978CA1043756A1 Conditioning shredder for metal scrap of 5 mm maximum thickness_
11/1978
11/28/1978CA1043110A1 Method for the collection of dust of a high zinc content during the production of reduced iron pellets
11/21/1978US4126411 Round cooler for hot bulk material
11/21/1978US4126275 Process for sizing and desliming of ore matrix
11/14/1978CA1042214A1 Sintering process and apparatus
11/07/1978CA1041769A1 Porous ferrous metal impregnated with magnesium metal
10/1978
10/31/1978US4123294 Cururization to embrittle steel layers, crushing, screening
10/31/1978US4123257 Method of treating a plating sludge
10/31/1978US4123210 Briquette forming apparatus
10/31/1978US4123209 Briquetting plant
10/17/1978US4120643 Method of regulating the process of agglomeration of a mineral on an endless chain
10/17/1978CA1040433A1 Method of producing pellets from ore concentrates
10/10/1978US4119455 Method of recovering iron-bearing by-product flue dust
10/10/1978US4119453 Making into spheroidal pellets
10/10/1978CA1040337A1 Bonded calcium carbide article and method for making the same
10/03/1978CA1039862A1 Ore purification process
10/03/1978CA1039510A1 Desulfurization iron oxide pellets
10/03/1978CA1039505A1 Descending bed of sub-divided solid material
10/03/1978CA1039500A1 Rotary kiln and hearth furnace
09/1978
09/26/1978US4116830 Method of treating wet-washed silica dust
09/26/1978US4116681 Process for the manufacture of ore pellets
09/26/1978US4116679 Metallized iron briquet
09/19/1978US4115259 Removing phosphate ions, roasting
09/19/1978CA1038630A1 Ilmenite beneficiation with fec13
09/12/1978US4113915 Glass bead product
09/12/1978US4113481 Green balls formed by agglomerating wet-collected fume produced in metallurgical furnaces
09/05/1978US4111158 Method of and apparatus for carrying out an exothermic process
09/05/1978CA1037720A1 Process for producing high-grade metallic products from solid slags and high-grade metallic products
08/1978
08/29/1978US4110401 Leaching
08/29/1978US4110106 Selective sulfation process for partitioning ferrous and non-ferrous values in an ore
08/22/1978US4108634 Using cyclone chamber
08/08/1978US4105457 Reduced metallized iron with binder of hydrated lime and sodium silicate
07/1978
07/25/1978US4102976 Leaching with acid, adding arsenic and/or phosphorus
07/25/1978US4102674 Heat treated, low calorific gas of slag bath generator
07/04/1978US4098687 Beneficiation of lithium ores by froth flotation
07/04/1978US4098604 Method for reduction in a fluid bed of fine grained material containing iron oxide
06/1978
06/27/1978US4097575 Roast-neutralization-leach technique for the treatment of laterite ore
06/06/1978US4093455 Compacted, passivated metallized iron product
06/06/1978US4093451 Coke fines, cement and calcium hydroxide, carbonate or fluoride
06/06/1978US4093448 Mixing with calcium or magnesium oxides, hydration
05/1978
05/30/1978US4092407 Firing iron oxide solids, fluidized beds, cooling
05/30/1978US4092152 Pellitizing in chlorine atmosphere
05/30/1978US4091826 Method for degreasing rolling mill scale
05/30/1978US4091825 Recovery of unoxidized metals from organic insulated metallic scrap
05/30/1978US4091545 Method for removing water and grease deposit from rolling mill sludge
05/23/1978US4091060 Balling process
05/16/1978US4089681 Iron ore reduction, working
05/09/1978US4088308 System for controlling the flow of sinter to blast furnace
05/02/1978US4087510 Process for extracting metals from spent desulphurization catalysts
05/02/1978US4087334 Seal arrangement for a rotary drum assembly
05/02/1978US4087274 Method of producing a partially reduced product from finely-divided metal sulphides
04/1978
04/25/1978US4086084 Refining of metals
04/18/1978US4084957 Process for producing shaped bodies
04/11/1978USRE29606 Scrap reclamation
04/04/1978US4082833 Carbo-chlorination to produce aluminum chloride and silicon chloride; sulfur or sulfur compound as promoter
04/04/1978US4082629 Hydrometallurgical process for treating metal sulfides containing lead sulfide
04/04/1978US4082542 Copper precipitate agglomerization process
04/04/1978US4082541 Installation for the agglomeration of a particulate mineral charge and operation thereof
04/04/1978US4082540 Pellet of iron ore, limestone, and coke exhaust gas of nitrogen oxide
04/04/1978US4082539 Pretreatment of fine powdery iron ore
03/1978
03/28/1978US4081507 Process for removing chemisorbed and interstitial chlorine and chlorides from a hot titanium dioxide beneficiate-carbon mixture
03/28/1978US4081506 Drying, grinding, roasting with sulfur, leaching
03/28/1978US4081228 Apparatus for hot briquetting
03/07/1978US4078262 Permeability measurement, water addition
03/07/1978US4078039 Recovering titanium
03/07/1978US4077841 Heat treatment
03/07/1978US4077136 Ring shaped cooling device
02/1978
02/28/1978US4076796 Carrying out endothermic processes in fast fluidized reactor with conventionally fluidized holding reactor
02/28/1978US4076520 Method for continuous passivation of sponge iron material
02/28/1978US4076493 Apparatus for cooling particulate material
02/21/1978US4075370 Slurring
02/21/1978US4075067 Production of aluminium
02/21/1978US4075027 Consolidation of particulate materials
1 ... 93 94 95 96 97 98 99 100 101 102 103 104 105