Table 3 Adsorption capacities of some adsorbents for Cr(VI) removal
Adsorbent | Maximum adsorption capacity (mg/g) | Literature |
|---|---|---|
Rice husk carbon | 8.80 | (Ali 2010) |
Natural bentonite | 5.50 | (Ali 2010) |
Citric acid modified walnut shell | 30.99 | (Altun and Pehlivan 2012) |
Modifying Turkish perlite with 훼-MnO2 | 7.60 | (Edebali 2015) |
Modifying Turkish perlite with 훾-Fe2O3 | 8.64 | (Edebali 2015) |
Fe3O4/Alginate-Ce3+ magnetic composite beads | 14.29 | (Gopalakannan and Viswanathan 2015) |
Citric acid modification of peach kernel shell | 25.71 | (Parlayıcı 2018) |
γ-Fe2O3 nanocrystals | 12.50 | (Tahar et al. 2018) |
Magnetic magnetite (Fe3O4) nanoparticles | 34.87 | (Rajput et al. 2016) |
Coconut charcoal | 5.26 | (Wu et al. 2013) |
Bamboo charcoal grafted by Cu2+-N-aminopropylsilane complexes | 17.94 | (Wu et al. 2017) |
Chitosan-coated sour cherry kernel shell beads (C-SCKS) | 24.49 | Present work |
Sour cherry kernel shell powder (R-SCKS) | 13.57 | Present work |