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Class Information
Number: 75/461
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Iron(fe) > Blast furnace reduction to produce molten iron(fe) > Using additive to the blast > Carbonaceous > Slurry of solid in liquid
Description: Process wherein the carbonaceous additive is a solid suspended in a liquid, one or both of the solid and liquid containing Carbon (C) in any form (free or combined).

Patents under this class:

Patent Number Title Of Patent Date Issued
6077325 Method of adding coal combustion enhancer to blast furnace Jun. 20, 2000
4921532 Ironmaking by means of a smelting shaft furnace May. 1, 1990
4759532 Lance for injecting highly-loaded coal slurries into the blast furnace Jul. 26, 1988
4443251 Method of operating a blast furnace Apr. 17, 1984
4248627 Process for the manufacture and use of high purity carbonaceous reductant from carbon monoxide-containing gas mixtures Feb. 3, 1981

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