May 10, 2016 The choice of beneficiation route for a specific iron ore depends on its mineralogical composition, Fe and SiO 2 grades and size distribution (Araujo et al., 2003, Al-Wakeel and El-Rahman, 2006). Most of the iron ores from Iron Quadrangle, Brazil are related to Proterozoic banded iron formations (BIFs) of the Cau Formation ( Carlos et al
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