Patent ID: 7938883
Filing Date: 2011-05-10
Classification: C21B,Y02P,Y10T

Abstract:
1. A method for producing metallic iron, comprising: (A) heating to a temperature in a range of 1430° C. to 1540° C. a compact selected from the group consisting of an agglomerate, a grain, a briquette, a pellet and a bar, the compact comprising a mixture of an iron oxide and a solid carbonaceous reducing agent; (B) reducing said iron oxide by using said solid carbonaceous reducing agent until the compact comprises 5% by weight or less of said iron oxide; (C) producing from the compact a metallic iron and slag within the metallic iron; (D) melting at least part of said metallic iron; and (E) separating said metallic iron from said slag, wherein the reducing and the melting occur while the compact is being moved by a horizontal surface.