Research Article

Kinetics of the Leaching Process of an Australian Gibbsitic Bauxite by Hydrochloric Acid

Table 4

Reaction rates at the different concentrations (at 80°C).

Number Hydrogen ion concentration/mol/L ()Slope of the lineReaction rate of hydrogen ion/mol·L−1·min−1 ()

13.040.48−0.0440.044−1.36
22.800.45−0.0340.034−1.47
32.620.42−0.0270.027−1.58
42.360.37−0.0160.016−1.79