Carbonatation and Decarbonatation Kinetics in the La₂O₃-La₂O₂CO₃ System under CO₂ Gas Flows

Figure 4

Test of Avrami’s model validity: the representation of 𝑌=ln[−ln(Δ𝑚₀−Δ𝑚)/Δ𝑚₀] versus ln(𝑡) (𝑡 in mn) shows that two main types of behaviors can be observed as time increases.