Actions and control of the hearth of the CST blast furnace No. 2 J.-A.-Pereira Novaes, R. da Cruz Jr, M. Correa da Silva, J. Issamu Gushiken, R.-J. Tauffer Barros and M. Azevedo de Oliveira Rev. Met. Paris, 102 3 (2005) 183-188 Published online: 31 March 2005 DOI: 10.1051/metal:2005141