Journal of Chemistry / 2020 / Article / Tab 2

Research Article

Removal of Textile Dyes by Chemically Treated Sawdust of Acacia: Kinetic and Equilibrium Studies

Table 2

Pseudo-first-order and pseudo-second-order kinetic parameters for the sorption of BB and MB onto A-NaOH and A-HCl.

DyeBiosorbentqexp (mg/g)Pseudo-first-orderPseudo-second-order
qe (mg/g)k1 (1/min)r2qe (mg/g)k2 (g/mg min)r2

BBA-NaOH7.7897.7050.3290.9897.5920.6070.987
A-HCl6.7586.4368.9550.9646.4911.1580.963
MBA-NaOH223.46227.380.0440.998187.43−1.0080.740
A-HCl209.00221.770.0300.999163.921.1940.988

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