Table 3.
Comparison of maximum adsorption capacities of some adsorbent materials for IC and 2,6-DCPIP, from the literature.
| Adsorbent materials | Adsorbate | q max (mg·g−1) | References |
|---|---|---|---|
| Palm oil fiber | IC | 128.444 | Present work |
| Pecan nut shells | IC | 13.408 | [59] |
| Calcium hydroxide | IC | 0.950 | [47] |
| Montmorillonite | IC | 40.000 | [60] |
| Fe-zeolitic tuff | IC | 32.830 | [61] |
| Carbonaceous material | IC | 92.830 | [61] |
| Chitin | IC | 5.783 | [62] |
| Chitosan | IC | 71.818 | [62] |
| Rice husk ash | IC | 65.908 | [46] |
| Layered double hydroxide | IC | 55.500 | [63] |
| Brazil nut shells | IC | 1.090 | [64] |
| Palm oil fiber | 2,6-DCPIP | 75.143 | Present work |
| Palm tree trunk | 2,6-DCPIP | 51.299 | [3] |