Synthetic dye Adsorbent Adsorption Percentage Reference Brilliant green Cellulosic adsorbents 97% [14] Malachite green Fruit residues 90% [1] Navy blue dye Dead bacteria 82% [2] Red 131 dye Leather waste 100% [13] Rhodamine B Walnut shell 100% [4]

Table 1: Summary of recent studies on the adsorption of synthetic dyes.