General Kinnematics
November 2021
Volume 73    Issue 11

Effect of CaF2 on the reduction swelling properties of iron ore briquettes in different reduction stages

Zhang, Guocheng; Luo, Guoping; Sun, Chenchen

ABSTRACT:

In this study, the conditions of raw materials and fuels were simulated for Bayan Obo iron ore concentrate by adding pure calcium fluoride (CaF2) in various concentrations to Australian iron ore. The mechanism by which the fluorine (F) content of the lattice influenced the reduction swelling properties of the iron ore briquettes during various stages of the reduction process was investigated. The results provide insight into the mechanism governing the reduction swelling process in Bayan Obo ore briquettes, which could be used to direct real?world production practices, particularly those related to the rational utilization of Bayan Obo ore resources.

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