Table 4 Adsorption isotherm model fitting parameters for all three hydrochar systems.
From: Molecular dynamics simulation of Sunset Yellow dye removal from water using hydrochar adsorbent
System | Model | \({\textbf {Q}}_{{\textbf {max}}}\) (mol/mol) | \({\textbf {K}}_{{\textbf {L}}} {\textbf {(L/mol)}}\) | \({\textbf {K}}_{{\textbf {F}}}\) | n | R\(^{{\textbf {2}}}\) |
|---|---|---|---|---|---|---|
HC1 | Langmuir | 2.219 | 80.82 | – | – | 0.821 |
Freundlich | – | – | 5.838 | 2.529 | 0.914 | |
HC2 | Langmuir | 2.382 | 32.01 | – | – | 0.925 |
Freundlich | – | – | 6.408 | 1.944 | 0.887 | |
HC3 | Langmuir | 2.505 | 98.92 | – | – | 0.931 |
Freundlich | – | – | 8.637 | 2.205 | 0.933 |