Adsorption and biosorption for pollutant removal

Adsorption and biosorption research examines how contaminants—ranging from toxic heavy metals to synthetic dyes—bind to the surfaces of solid materials and can thereby be drawn out of polluted water. The effectiveness of a given material depends heavily on its physical and chemical properties, particularly its surface area and the distribution of pore sizes, which together determine how many binding sites are available and how accessible they are to different molecules. Biochar, derived from the controlled burning of organic waste, has attracted considerable attention as a low-cost, scalable adsorbent, alongside engineered nanomaterials that offer exceptionally high surface-to-volume ratios. Active research questions include how to tailor material properties for selective removal of specific contaminants, how to regenerate spent adsorbents efficiently, and whether biosorbents—materials derived from microbial biomass or agricultural byproducts—can match the performance of conventional activated carbon at a fraction of the cost.

Works

118,772

Total citations

3,374,484

Keywords

AdsorptionContaminant RemovalWastewater TreatmentSurface AreaPore Size DistributionBiochar