Patent ID: 8945272
Filing Date: 2015-02-03
Classification: C10B,C21B,C22C,Y02P

Abstract:
1. A steel/carbon product made by mixing metallurgical coal with an oxidized iron waste material to provide a mixture of coal and waste material; size reducing the mixture of coal and waste material to provide a mixture wherein 80 to 95 wt. % is less than about 5 millimeters; and heating the mixture of coal and waste material to a temperature less than about 1250° C. under a reducing atmosphere for a period of time sufficient to provide the steel/carbon product, wherein the steel/carbon product consists essentially of steel substantially encapsulated in metallurgical coke and has a porosity of greater than about 60% and a density of greater than about 900 kg/m 3 and the steel component of the steel/carbon product has a percent of metalization of greater than about 85 wt. %.