The amount of activated carbon used for adsorption of a specific pollutant directly affects the removal efficiency. Activated carbon is a highly porous material with a large surface area, which allows it to adsorb pollutants effectively. The adsorption process occurs when the pollutant molecules attach to the surface of the activated carbon.As the amount of activated carbon increases, the available surface area for adsorption also increases, leading to a higher removal efficiency. However, this relationship is not linear, and there is a point of diminishing returns. Initially, the removal efficiency increases rapidly with the addition of activated carbon, but as more and more pollutant molecules are adsorbed, the available surface area decreases, and the removal efficiency starts to plateau.To determine the optimal amount of activated carbon for maximum removal, it is necessary to conduct experiments with varying amounts of activated carbon and measure the removal efficiency for each case. This can be done by plotting the removal efficiency against the amount of activated carbon used. The optimal amount of activated carbon will be the point at which the removal efficiency starts to plateau or reaches an acceptable level for the specific application.It is important to note that the optimal amount of activated carbon will depend on the specific pollutant being targeted, as well as the initial concentration of the pollutant and the desired level of removal. Additionally, other factors such as the type of activated carbon used, the contact time between the activated carbon and the pollutant, and the presence of other competing pollutants can also influence the optimal amount of activated carbon required for maximum removal.