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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: J Environ Manage. 2020 Jan 9;259:110044. doi: 10.1016/j.jenvman.2019.110044

Table 1.

Parameters of the isotherm equations, correlation coefficients (R2) and error function values of the models for organic compounds adsorption.

CS-GO composite GO
B T N B T N
Langmuir
qmax (mg/g) 278.7 75.77 9.705 34.36 19.02 6.560
b (L/mg) 7×10−4 0.018 0.149 0.003 0.008 0.026
RL 0.442 0.097 0.176 0.156 0.195 0.550
SSE 204.6 29.41 0.359 4.320 2.560 0.044
R2 0.993 0.992 0.994 0.993 0.987 0.994
Freundlich
N 0.664 0.274 0.432 0.329 0.346 0.719
KF 1.169 1.169 1.960 2.573 1.808 0.257
SSE 529.7 529.7 1.230 19.50 8.099 0.101
R2 0.982 0.982 0.981 0.970 0.961 0.988
Sips
B 3×10−4 0.020 0.149 0.013 0.010 0.041
qmax (mg/g) 260.2 76.83 9.636 41.44 19.23 4.764
n (L/mg) 1.124 0.961 1.011 0.703 0.957 1.032
RL 0.649 0.088 0.176 0.041 0.163 0.436
SSE 100.1 29.09 0.360 9.840 2.826 0.097
R2 0.997 0.993 0.995 0.985 0.986 0.988