Table 6 Adsorption models of MB dye by (CMCH/ALG)-g-PAA and ZnO-g-C₃N₄(3%)@(CMCH/ALG)-g-PAA.

Q_max (mg g^− 1)

39.61 ± 22.9

34.59 ± 4.98

K_L(L mg^− 1)

0.075 ± 0.06

0.2004 ± 0.65

χ²

0.273

0.378

R²

0.9525

0.9552

L_f

1.209

2.266

n

0.165

0.094

χ²

1.21

17.96

R²

0.9325

0.1729

RT

1.75

1.33

A_T (L g^− 1)

3.43

0.159

b_T (J mol^− 1)

0.422

0.159

χ²

0.617

0.442

R²

0.8812

0.9651

Q_m (mg g^− 1)

31.40 ± 7.4

34.38 ± 2.0

K_s (L mg^− 1)

0.958 ± 0.95

4.32 ± 1.2

n

8.77 ± 0.58

2.12 ± 5.8 × 10^− 26

χ²

2.27

5.68

R²

0.9561

0.9552

K_RP (L g^− 1)

1.28 ± 0.08

-3063.89 ± 1.7

α_R

3.24 ± 0.16

3087.98 ± 1.78

β_R

0.131 ± 0.06

0.9951 ± 0.28

χ²

0.032

0.538

R²

0.9528

0.9599

K_FS (L mg^− 1)

4.09 ± 0.66

22.53 ± 2.8

Q_m (mg g^− 1)

1.24 ± 0.22

5.74 ± 0.35

n

0.39 ± 0.07

0.49 ± 0.15

χ²

0.680

11.7

R²

0.9736

0.8148