Treatment of green pellets using microwave energy

Details Treatment of green pellets using microwave energy Treatment of green pellets using microwave energy

C - Chemistry, Metallurgy

22

B

C22B 1/22 (2006.01) C22B 1/14 (2006.01) C22B 1/16 (2006.01) C22B 7/00 (2006.01)

Patent

CA 2661511

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.

La présente invention concerne un procédé de production de boulettes de minerai de fer contenant de l'hématite. Les boulettes contenant de la magnétite sont exposées à l'énergie micro-ondes dans un four de traitement thermique dans des conditions d'oxydation de façon à convertir en hématite la magnétite.

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