ABSTRACT
This chapter presents a study to indicate clay soils can be used as liners to retard the mobility of hazardous leachate from landfill because of the low permeability, or can be used as a sorbent material to adsorb the pollutants from the waste stream. It affords possibilities in techniques of waste immobilization utilizing a by-product of combustion, as well as an opportunity to study the adsorption process. Fly ash used as a sorbent material throughout the study. This is a fine particulate matter, sandy material, dark gray in color, usually collected by the electrostatic precipitator from the flue gas before it escapes from the stack. The adsorption characteristics of the flyash on the target organic pollutant species has been analyzed and evaluated using Freundlich isotherm equation because it is most useful for dilute solution over small concentration ranges. As well as this, the isotherm Freundlich is frequently used in feasibility studies for industrial application.
