| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
|---|
| 06/30/1982 | EP0055004A1 Process for processing moist compositions containing pollution-causing substances and composition |
| 06/29/1982 | CA1126535A1 Monitoring continuous casting |
| 06/23/1982 | EP0054130A1 Rotary drum projector for metallurgical slags |
| 06/23/1982 | EP0007352B1 Granular material from molten masses and process and apparatus for its manufacture |
| 06/15/1982 | CA1125520A1 Process for precipitating iron as jarosite with a low non-ferrous metal content |
| 06/01/1982 | CA1124470A1 Method of and apparatus for making slag sand and slag wool |
| 05/25/1982 | CA1124079A1 Method for controlling noxious gases formed during granulation of molten slag |
| 05/18/1982 | US4330264 Apparatus for manufacturing vitreous slag |
| 04/27/1982 | US4326883 Pelletization, combustion |
| 03/02/1982 | US4317684 Process of converting polluting particles, emitted in chemical or physical processes, into harmless substances |
| 02/02/1982 | US4313822 Method for recovering the lead and zinc values in secondary scrubber muds from blast furnace gases |
| 02/02/1982 | CA1117297A1 Method and apparatus for granulating blast furnace slag |
| 01/26/1982 | CA1116864A1 Process for producing silicon-containing ferro alloys |
| 01/13/1982 | EP0043605A1 Method and apparatus for granulating slag |
| 12/24/1981 | WO1981003668A1 Improved multi-purpose zone controlled blast furnace and method of producing hot metal,gases and slags |
| 12/23/1981 | EP0042147A1 Improved multi-purpose zone controlled blast furnace and method of producing hot metal, gasses and slags |
| 12/15/1981 | US4305914 Dilution |
| 12/10/1981 | WO1981003500A1 Heavy metal recovery in ferrous metal production processes |
| 12/02/1981 | EP0040870A1 Process of treating a dust which contains zinc and lead and which is derived from an iron or steel making process |
| 11/26/1981 | WO1981003341A1 Method of feeding powder-like fuel mixture to blast furnace tuyeres |
| 11/25/1981 | EP0040283A1 Process for the production of spherical granules from molten mineral material, granules produced thereby and their applications |
| 11/24/1981 | CA1112876A1 Method of and apparatus for dewatering granulated-slag slurry |
| 11/24/1981 | CA1112875A1 Production of slag wool |
| 11/10/1981 | US4299610 Method and apparatus for manufacturing crystalline blast furnace slag |
| 10/27/1981 | US4297119 Apparatus for vitrifying blast furnace slag |
| 09/15/1981 | US4289519 Feeding into interior of rotating foraminous substrate |
| 09/15/1981 | US4289462 Apparatus for manufacturing vitreous blast furnace slag |
| 09/15/1981 | CA1108863A1 Process for perishing waste rubber materials, especially worn out motor vehicle rubber tyres by recovering their components for industrial purposes |
| 09/08/1981 | CA1108406A1 Method for removing oil from mill scale and recovering metallic values therein |
| 08/26/1981 | EP0034389A1 Method of agglomeration of fly ash into pellets |
| 08/25/1981 | CA1107512A1 Method and apparatus for treating foundry slag |
| 08/25/1981 | CA1107511A1 Method and apparatus for foaming or expansion of molten slags |
| 08/11/1981 | US4283223 Process for treating smoke from steel plants |
| 07/14/1981 | CA1104827A1 Process for treating a mud produced during gas scrubbing in a blast furnace or a steelworks |
| 07/07/1981 | US4277273 Treatment and handling of metallurgical slag |
| 06/30/1981 | CA1103922A1 Slag handling apparatus |
| 05/26/1981 | CA1101676A1 Method for working-up waste slag from the oxygen steel production |
| 05/19/1981 | US4268295 Method for manufacturing crushed sands from blast furnace water granulated slags |
| 05/19/1981 | CA1101218A1 Method for recovering heat from molten slag and an apparatus therefor |
| 05/06/1981 | EP0027849A1 Slag-conditioning process |
| 05/05/1981 | CA1100284A1 Method for obtaining aluminium oxide |
| 04/28/1981 | US4264203 Inspection of the interior of an enclosure |
| 04/21/1981 | US4263042 Technique for transforming soda matte slag sulfides into silicates |
| 04/21/1981 | CA1099515A1 Method and installation for treating and handling metallurgical slag |
| 04/14/1981 | CA1099245A1 Method and apparatus for removing zinc type metals and compounds in dust recovery process in iron manufacture |
| 04/07/1981 | US4260414 Process for recovering and utilizing useful substances from molten metal produced during reduction treatment of steel slag |
| 04/07/1981 | CA1098711A1 Recycling of iron values |
| 03/10/1981 | CA1097083A1 Recovery of vanadium from pig iron |
| 02/18/1981 | EP0024065A1 Processes for working-up non-phosphorous metallurgical slags |
| 02/17/1981 | CA1095729A1 Exothermic slag-forming mixture |
| 02/11/1981 | EP0023729A1 Process for detinning tin coated scrap |
| 02/11/1981 | EP0023727A1 A process and apparatus for recovering energy from molten slag |
| 02/10/1981 | US4250027 Scouring |
| 01/27/1981 | CA1094318A1 Slag pots |
| 01/22/1981 | WO1981000103A1 Apparatus for producing sludge |
| 01/20/1981 | CA1093834A1 Pyrometallurgical recovery of copper from slag material |
| 12/09/1980 | CA1091031A1 Device and method for suppressing active slag |
| 11/18/1980 | CA1089647A1 Slag handling apparatus |
| 11/04/1980 | CA1088754A1 Method for production of refined steel |
| 10/28/1980 | US4230477 Apparatus for granulating molten slag |
| 09/17/1980 | EP0015664A1 Improvements in and relating to the treatment of metallurgical slags |
| 08/19/1980 | US4218201 Apparatus for producing solidified granular slag from molten blast furnace slag |
| 07/22/1980 | US4213778 Process for treating a mud produced during gas scrubbing in a blast furnace or a steelworks |
| 07/08/1980 | US4211552 Method for processing molten slag |
| 06/24/1980 | US4209313 Quenching to produce amorphous particles; slurrying; sulfur dioxide free vapors |
| 06/17/1980 | US4208041 Metallurgical apparatus |
| 06/03/1980 | CA1078625A1 Method and system for processing molten slag |
| 05/27/1980 | US4204855 Apparatus for dewatering granulated-slag slurry |
| 04/16/1980 | EP0010047A1 Process for treating waste gases of the iron and steel industry |
| 04/15/1980 | CA1075471A1 Method of treating molten slags in steel-making process |
| 04/15/1980 | CA1075469A1 Process for pyrometallurgical recovery of iron from iron silicate slags |
| 04/01/1980 | US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag |
| 04/01/1980 | US4195822 Car for transporting a ladle of hot metal and charging the metal to a furnace |
| 03/25/1980 | CA1074110A1 Slag quenching system for pyrolysis furnaces |
| 03/11/1980 | US4192852 Process for precipitating iron as jarosite with a low non-ferrous metal content |
| 02/19/1980 | US4189314 Pelletization, adding to pig iron |
| 02/06/1980 | EP0007352A1 Granular material from molten masses and process and apparatus for its manufacture. |
| 01/29/1980 | US4185997 Oxidation, adjusting basicity by adding silica-containing material, cooling, solidifying |
| 01/15/1980 | CA1069703A1 Process for the production of expanded slag |
| 01/01/1980 | CA1068907A Method of thickening granulated slag slurry at production of granulated slag |
| 12/25/1979 | US4180250 Apparatus for granulation of molten slags |
| 12/18/1979 | US4179279 Process for treating molten steel slag with red mud from aluminum industry |
| 12/18/1979 | US4179275 Method of expanding metallurgical slag |
| 12/11/1979 | US4177974 Copper metal or alloy |
| 12/04/1979 | US4177062 By contacting with hot slag and falshing off the oil |
| 11/27/1979 | US4175949 Process for perishing waste rubber materials, especially worn out motor vehicle rubber tires by recovering their components for industrial purposes |
| 11/27/1979 | US4175731 Method and means for utilizing waste heat of molten slag |
| 11/27/1979 | CA1066898A1 Low cost method of fluidizing cupola slag (a) |
| 11/20/1979 | US4174961 Reduction in the presence of carbon and aluminum silicate |
| 10/30/1979 | US4172715 Minimization of iron and entrained coke in the slag |
| 10/23/1979 | US4171965 Method of making granulated slag |
| 10/23/1979 | US4171948 Slag handling apparatus |
| 09/25/1979 | CA1062912A1 Slag bath generator |
| 08/08/1979 | EP0003464A1 Process for the utilization of lead and zinc present in the mud resulting from the secundary scrubbing of blast furnace exhaust gases |
| 07/25/1979 | EP0003207A1 Processes and apparatuses for drying pulverulent metallic waste such as sludge and chips |
| 07/03/1979 | CA1057496A1 Discharging hot, liquid material from a pressure vessel |
| 06/26/1979 | CA1057259A1 Process for treating numeral slag and scoria to improve their fragmenting properties |
| 05/08/1979 | US4153655 Products from molten fly ash and scrubber sludge including fly ash |
| 05/08/1979 | US4153440 Mechanical disintegration |
| 05/01/1979 | US4152131 Blast furnace slag |