Research Article

Kinetic Analysis of Aluminum Extraction from Ethiopian Kaolinite Using Hydrochloric Acid

Figure 3

The regression plots of first-order reaction kinetics of shrinking core model at various (a) solid-to-liquid ratios from 0.05 to 0.125 g·mL−1, (b) acid concentrations from 2 to 5 M, and (c) reaction temperatures from 50 to 80°C; (d) the Arrhenius plot of the first-order chemical reaction.
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