| Parameter |
Pseudo first-order
(Lagergren) |
Pseudo second-order |
| K1 |
qe |
r2 |
K1 |
qe |
r2 |
| pH |
5 |
0.0667 |
3.475 |
0.933 |
0.0196 |
5.154 |
0.991 |
| (Condition: dye = 50mg L-1, >0.150, V = 50 mL, mass = 0.3 g, 3 h, 30°C) |
6 |
01036 |
2.218 |
0.953 |
0.0439 |
5.463 |
0.980 |
| 7.5 |
0.1266 |
3.033 |
0.914 |
0.0388 |
5.649 |
0.980 |
| 9 |
0.1013 |
2.331 |
0.965 |
0.0251 |
5.813 |
0.968 |
| 12 |
0.1102 |
4.572 |
0.966 |
0.0273 |
4.273 |
0.984 |
| Adsorbent particle size (mm) |
0.150 |
0.1243 |
2.897 |
0.922 |
0.0396 |
4.950 |
0.981 |
| Condition: dye = 50 mg L-1, V = 50 mL, 60 min, pH= 4, mass= 0.3 g, 30°C) |
0.355 |
0.1013 |
1.166 |
0.907 |
0.0542 |
4.760 |
0.997 |
| 0.5 |
0.1804 |
1.142 |
0.912 |
0.0409 |
4.530 |
0.996 |
| 2.0 |
0.2340 |
1.114 |
0.871 |
0.0132 |
3.980 |
0.982 |
| Adsorbent dose (mg) |
0.5 |
0.1266 |
2.471 |
0.878 |
0.092 |
5.152 |
0.999 |
| Condition: dye = 50 mg L-1, V =50 mL , 60 min, pH= 4, >0.150, 30°C) |
1.0 |
0.1311 |
1.728 |
0.943 |
0.088 |
4.620 |
0.967 |
| 1.5 |
0.1773 |
1.520 |
0.832 |
0.085 |
4.532 |
0.986 |
| 2.0 |
0.1427 |
1.365 |
0.921 |
0.072 |
4.321 |
0.985 |
| Temperature (°C) |
30 |
0.1266 |
3.033 |
0.914 |
0.0426 |
4.932 |
0.996 |
| Condition: dye = 50 mg L-1, >0.150, V = 50 mL, 60 min, pH= 4, mass = 0.3 g) |
40 |
0.1450 |
3.120 |
0.908 |
0.1095 |
5.012 |
0.997 |
| 50 |
0.1105 |
2.233 |
0.937 |
0.130 |
5.132 |
0.999 |
| 60 |
0.1128 |
3.190 |
0.942 |
0.135 |
5.189 |
0.998 |
| Adsorbate concentration (mg/l) |
50 |
0.1410 |
7.128 |
0.831 |
0.0545 |
5.465 |
0.994 |
| Condition: pH= 4, V = 50 mL, mass = 0.3 g, >0.150, 60 min, 28°C) |
75 |
0.1335 |
7.231 |
0.900 |
0.0455 |
7.874 |
0.999 |
| 100 |
0.1232 |
7.580 |
0.851 |
0.0407 |
10.416 |
0.998 |
| 125 |
0.0437 |
4.395 |
0.829 |
0.0107 |
12.790 |
0.989 |
| 150 |
0.0391 |
4.295 |
0.769 |
0.0115 |
12.822 |
0.987 |
|
