Table 4 Computed kinetic parameters for biosorptive removal of BF dye by Gel@GO-F-ZrSiO4@Gel.

From: Synthesis of innovative and sustainable gelatin@graphene oxide-crosslinked-zirconium silicate@gelatin nanobiosorbent for effective biosorption of basic fuchsin dye

Kinetic model

BF dye (mg/L)

5.0 mg L-1

10.0 mg L-1

Pseudo-first order

qe (mg g−1)(exp.)

2.273

2.353

qe (mg g−1)(calc.)

6.434

11.274

k1 (min.−1)

0.09

0.032

R2

0.893

0.982

Pseudo-second order

qe (mg g−1)(exp.)

6.4516

11.111

qe (mg g−1)(calc.)

6.4337

11.274

k2 (min.−1)

0.8008

0.076

R2

0.999

0.990

Intraparticle diffusion

Kid(mg.g−1 min-1/2)

0.419

0.113

C

8.372

5.854

R2

0.805

0.849

Elovich

α (mg g−1 min−1)

21868999.63

9.877*1014

β (mg g−1)

2.016

6.173

R2

0.632

0.868