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