Sulfur reduction in Sangan iron ore by flotation Bahram Rezaee, Atefe Sarvi, Atiyeh Eslamian, Seyed MehdiJebraeeli and Abolfazl Zabihi E3S Web Conf., 18 (2017) 01023 Published online: 04 October 2017 DOI: 10.1051/e3sconf/20171801023