Synergistic effect of the activated carbon addition from leather wastes in chitosan/alginate-based composites

Synthesis, characterization and application of new adsorbent composites based on sol-gel/chitosan for the removal of soluble substance in water

“…Dyes, agrochemicals, personal care products, drugs, among other substances are a class of contaminants that have been attracting the attention of the scientific community [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ]. These substances, when present in the environment in an uncontrolled way, are called emerging contaminants, which conventional effluent treatments are not able to efficiently remove.…”

“…However, due to the new challenges for the effective removal of emerging contaminants, different materials have been used in natural or synthesized form for this purpose. In this case, materials of natural origin [ 12 ], industrial waste [ 10 , 13 , 14 , 15 ] and composite materials can be mentioned [ 1 , 2 , 3 , 7 , 16 , 17 , 18 ]. Dyes are seen as a good model system for the evaluation of new adsorbent materials.…”

“…Chitosan, a fishing residue obtained from shrimp shells, stands out among alternative materials used as unconventional adsorbents. Chitosan is mainly used to remove contaminants from industrial effluents, such as textile and alimentary dyes and toxic metals [ 2 , 3 , 7 , 22 , 23 , 24 , 25 , 26 ]. Its main characteristic is to have amine groups, which act as adsorption sites with polycationic nature, such as polyelectrolyte and chelating agent.…”