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Table 1 Kinetics parameter of Congo red removal

From: Adsorbed leucaena protein on citrate modified Fe3O4 nanoparticles: synthesis, characterization, and its application as magnetic coagulant

Magnetic coagulant dosage (mg L− 1)

Pseudo 1st order

Pseudo 2nd order

Elovich

Intra-particle diffusion

k1

R2

k2

R2

α

β

R2

kd

R2

60

0.044

0.491

0.027

0.994

246

0.192

0.826

7.0

0.9061

120

0.046

0.4004

0.035

0.9984

1541

0.313

0.7375

7.2

0.9369

180

0.041

0.4664

0.039

0.9983

944

0.345

0.7646

5.5

0.904

240

0.043

0.415

0.050

0.9974

2501

0.437

0.8708

5.4

0.9306

300

0.051

0.5889

0.055

0.9988

4237

0.528

0.7435

4.8

0.9156

360

0.031

0.0126

0.034

0.9984

123

0.349

0.9046

4.5

0.9412

420

0.049

0.4313

0.039

0.9979

149

0.402

0.7797

4.4

0.9652

480

0.033

0.2475

0.044

0.998

70

0.401

0.8236

3.9

0.9694

540

0.029

0.2036

0.043

0.9977

47

0.438

0.8785

3.3

0.9692

600

0.036

0.3235

0.057

0.9983

82

0.529

0.82

3.1

0.9658

370a

0.055

0.4313

0.039

0.9978

7

0.175

0.9674

3.8

0.9818

50b

0.021

0.6233

0.049

0.5314

0.2

0.229

0.9325

0.78

0.7808

  1. aLeucaena crude extract (mg eq BSA L−1), bFe3O4 (mg L− 1)