This study depicts the adsorption behavior of activated carbon impregnated with SiO2 nanoparticles for the removal of some pollutants detected in wastewater, which might be phenol and three,four-dimethoxybenzyl Alcoholic beverages. The therapy making use of cocoa shells generated sludge residues (manufactured up of a mix of cocoa shells and biomass) https://cocoa-shell-granules41481.getblogs.net/67497748/a-review-of-cocoa-shell