Simple 1st order Pseudo 1st order Pseudo 2nd order Elovich   k1 r2 k1 qe r2 k2 qe r2 β α r2 nZVI 0.0369 0.9861 0.1005 2.030 0.9859 0.2250 4.914 0.9983 1.583 115.66 0.9753 Pd-nZVI 0.0395 0.9839 0.1101 2.231 0.9891 0.2112 5.414 0.9969 1.495 48.996 0.9785

Table 3: Comparison of the simple first order, pseudo first- and second-order and Elovich model.