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This paper aims to improve the metallurgical properties of vanadium-titanium magnetite (VTM) concentrates pellets by applying solid waste containing B 2 O 3 . Thus, the effects of adding B 2 O 3  on the drop strength, compressive strength, pores area ratio, high-temperature metallurgical properties, and microstructure of VTM pellets were studied through pelletizing and roasting experiments. Results show that the addition of B 2 O 3  reagent is not conducive to the increase of the drop strength of the green pellets. Nevertheless, the compressive strength and fracture toughness of the roasted pellets can be improved by adding more B 2 O 3  during the pelletizing. The reduction degree of VTM pellets is firstly decreased and then increased with the added B 2 O 3  amount. It is possible to improve the compaction degree and restrain the reduction-pulverization degree of the pellet by a low amount of additive (B 2 O 3 ). The reduction-expansion performance of VTM pellets, in turn, can be raised by adding B 2 O 3 .

Experimental Study of the Effect of B2O3 on Vanadium-Titanium Magnetite Concentrates Pellets

Experimental Study of the Effect of B₂O₃ on Vanadium-Titanium Magnetite Concentrates Pellets