· Baciocchi et al. (2015) had a sequestration capacity of 280 g CO 2 /kg of EAF steel slags in 24 h, at 100 °C, with CO 2 pressure of 10 bar, using L/S ratio of 5:1 and CaO of wt %. Huijgen et al. (2005) was able to sequestrate 185 g CO 2 /kg of slag after 30 min at a pressure of 19 bar, 100 °C with particle sizes of <38 μm steel slag.