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Table 2 Kinetic parameters of the Elovich model for adsorption of heavy metals onto BC in landfill leachate

From: Adsorption of Lead, manganese, and copper onto biochar in landfill leachate: implication of non-linear regression analysis

Adsorbate Adsorbent dosage   Elovich kinetics for PWB   Elovich kinetics for CWB
qe(cal.) (mg g−1) β α R2 SSE qe(cal.) (mg g− 1) β α R2 SSE
Pb 0.05 0.49 14.5 0.056 0.953 0.002 0.39 18.2 0.044 0.955 0.001
0.1 0.48 14.7 0.055 0.952 0.002 0.38 18.5 0.043 0.956 0.001
0.25 0.37 18.9 0.043 0.948 0.002 0.30 23.8 0.034 0.955 0.001
0.5 0.30 23.8 0.034 0.948 0.001 0.21 34.5 0.024 0.955 0.000
0.75 0.23 30.3 0.027 0.949 0.001 0.16 43.5 0.019 0.955 0.000
1 0.18 38.5 0.021 0.937 0.000 0.13 52.6 0.015 0.951 0.000
1.5 0.13 52.6 0.015 0.937 0.000 0.10 71.4 0.011 0.951 0.000
2 0.10 71.4 0.011 0.937 0.000 0.08 90.9 0.009 0.951 0.000
3 0.07 100.0 0.008 0.939 0.000 0.06 125.0 0.006 0.951 0.000
5 0.04 166.7 0.005 0.935 0.000 0.04 200.0 0.004 0.952 0.000
Mn 0.05 1.76 4.0 0.201 0.952 0.032 1.55 4.6 0.176 0.956 0.028
0.1 1.71 4.1 0.195 0.952 0.031 1.53 4.6 0.174 0.956 0.026
0.25 1.20 5.9 0.137 0.948 0.016 1.07 6.6 0.121 0.955 0.013
0.5 0.84 8.6 0.107 0.948 0.000 0.81 8.8 0.092 0.955 0.008
0.75 0.76 9.3 0.086 0.948 0.006 0.63 11.1 0.072 0.954 0.005
1 0.61 11.5 0.07 0.937 0.004 0.52 13.6 0.059 0.95 0.003
1.5 0.47 15.2 0.053 0.937 0.002 0.38 18.9 0.045 0.95 0.001
2 0.37 18.9 0.043 0.937 0.002 0.31 22.8 0.035 0.95 0.001
3 0.26 27.0 0.03 0.936 0.001 0.23 31.3 0.026 0.95 0.001
5 0.16 43.5 0.019 0.936 0.000 0.14 50.0 0.016 0.95 0.000
Cu 0.05 0.45 15.9 0.051 0.952 0.003 0.51 13.9 0.058 0.957 0.003
0.1 0.44 16.1 0.050 0.952 0.003 0.47 15.2 0.053 0.957 0.002
0.25 0.35 20.0 0.041 0.948 0.001 0.35 20.0 0.041 0.955 0.001
0.5 0.28 25.0 0.032 0.948 0.001 0.26 27.0 0.030 0.955 0.001
0.75 0.23 30.3 0.027 0.948 0.000 0.20 35.8 0.023 0.954 0.000
1 0.19 37.0 0.022 0.937 0.000 0.17 41.7 0.019 0.955 0.000
1.5 0.14 50.0 0.016 0.937 0.000 0.13 55.6 0.014 0.955 0.000
2 0.11 62.5 0.013 0.937 0.000 0.10 71.4 0.011 0.949 0.000
3 0.08 90.9 0.009 0.936 0.000 0.07 100.0 0.008 0.949 0.000
5 0.05 142.9 0.006 0.937 0.000 0.04 166.7 0.005 0.948 0.000