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Table 3 Parameters of the Langmuir isotherm for adsorption of Pb, Mn and Cu onto BC in landfill leachate

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

Langmuir isotherm-type 1 Pb Mn Cu
PWB CWB PWB CWB PWB CWB
qm (mg g−1) 0.44 −0.22 5.60 −0.65 5.90 −0.21
b (L mg−1) 3.22 −0.46 0.05 −0.12 0.04 −0.37
R2 0.985 0.965 0.993 0.944 0.994 0.944
RL 0.14 8.86 0.70 23.05 0.92 18.28
SSE 0.016 0.364 0.045 9.593 0.008 0.842