Abstract: An apparatus for producing iron ore pellets containing hematite is described. The pellets containing magnetite are exposed to microwave energy in a heat treatment furnace under oxidizing conditions to convert magnetite to hematite.
Abstract: A method and apparatus for producing iron ore pellets containing hematite is described. The pellets containing magnetite are exposed to microwave energy in a heat treatment furnace under oxidizing conditions to convert magnetite to hematite.