Table 5

Equilibrium isotherm model parameters calculated from VR3BS dye using optimized SCG biochar

Adsorption IsothermParameterValueR2
Langmuir qm (mg/g) 2.07 0.986 
kL (L/mg) 0.832 
Freundlich kf (mg/g)(L/g)n 1.03 0.925 
n 0.26 
Redlich–Peterson KR (L/g) 1.713 0.978 
aR (L/mg)g 0.895 
g 0.987 
Toth KT (mg/g) 1.97 0.979 
aT 1.12 
t 0.986 
Adsorption IsothermParameterValueR2
Langmuir qm (mg/g) 2.07 0.986 
kL (L/mg) 0.832 
Freundlich kf (mg/g)(L/g)n 1.03 0.925 
n 0.26 
Redlich–Peterson KR (L/g) 1.713 0.978 
aR (L/mg)g 0.895 
g 0.987 
Toth KT (mg/g) 1.97 0.979 
aT 1.12 
t 0.986 
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