METHOD FOR MANUFACTURING SPONGE IRON, REDUCED IRON POWDER, AND METHOD FOR MANUFACTURING THE SAME

摘要

A method for producing sponge iron wherein iron oxide is reduced through heating together with a solid reducing agent to form sponge iron, characterized in that a mixed powder of a hematite powder and an iron ore powder or a mixed powder of a hematite powder and a mill scale powder is use d as the iron oxide, and the hematite powder has a specific surface area of 2. 0 m2/g or more and is used in an amount of 5 to 45 mass % based on the total amount of the iron oxide.