Effect of Ca/Fe additives on the serial reactions of coke and sinter with CO2 Zhang Sun, Jiawei Han, Yang Sun, Minghui Dou, Rui Guo and Yinghua Liang Metall. Res. Technol., 120 2 (2023) 202 Published online: 07 March 2023 DOI: 10.1051/metal/2023005