Table 3 Isotherm parameters of RB19 removal via biochar@ZnO–Ce nanocatalyst.

From: Enhanced photocatalytic performance of milkvetch-derived biochar via ZnO–Ce nanoparticle decoration for reactive blue 19 dye removal

Langmuir isotherm

Freundlich isotherm

Sips isotherm

qm (mg/g)

KL (L/mg)

RL

R2

Kf (mg/g) (L/mg)1/n

n

1/n

R2

qm (mg/g)

Ks (L/mg)n

n

R2

5.8139

0.138

0.591

0.952

1.34

2.183

0.458

0.86

4.559

0.04

2.496

0.981