Adsorption of a substance involves its accumulation at the interface between two phases, such as a liquid and a solid or a gas and a solid. The molecule that accumulates, or adsorbs, at the interface ...
Chemical adsorption, or chemisorption, involves actual chemical bonding by reaction of the adsorbate with the adsorbing solid. The oxidation of SO 2 to SO 3 by activated carbon is an example of ...