Optimizing the hot metal desulphurization process with the usage of rotating lanceS.-L. de Souza Costa, E. Pacelli Meireles de Araújo, I. Lopes Alves and J. Lima de SiqueiraRev. Met. Paris, 103 12 (2006) 531-536DOI: https://doi.org/10.1051/metal:2006120