Inorganic oxide-modified carbon adsorption

Because surface functional groups influence the adsorption properties and the reactivity of activated carbons, many methods, including heat treatment, oxidation, animation, and impregnation with various inorganic compounds, have been developed in order to modify activated carbons [183], These modifications can alter the surface reactivity, as well the structural and chemical properties of the carbon, which can be characterized using various methods, as described in detail elsewhere [176],... 

This chapter provides a comprehensive summary of surface science involved in the application of activated carbon for air cleaning from inorganic gases such as hydrogen sulfide, sulfur dioxide, nitric dioxide, hydrogen cyanide, and from VOCs. The emphasis is placed on the role of activated carbons surfaces, either unmodified or modified in the processes of adsorption and catalytic oxidation-reduction of these pollutants. 

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