Table 7 Parameters of intraparticle diffusion kinetic model, R2 and AARD for AB25 adsorption onto CSAH various solution pH value - initial concentration 50 mg/l, adsorbent dosage 2 g/l, temperature 27 °C.

From: Batch experimental studies on Acid Blue 25 dye removal by synthesized chitosan containing sodium alginate and halloysite nanotubes

Solution pH

kid (mg/g min0.5)

C

R2

AARD%

 

CSA

3

1.2578

9.967

0.5779

9.4704

4

1.1372

9.257

0.5632

9.7011

6

1.0868

9.209

0.5473

9.5898

9

1.0175

7.116

0.6185

10.0905

11

0.8965

5.929

0.6262

10.7041

 

CSAH10

3

1.1822

14.154

0.4180

9.6496

4

1.2336

11.236

0.5276

9.2949

6

1.1607

10.725

0.5197

9.4831

9

1.1184

9.187

0.5714

9.3559

11

0.9668

7.372

0.5898

9.9413