Adsorption is the adhesion of atoms, ions, or molecules from a gas, liquid, or solid to a surface.
A water-born, suspended particle adheres to a solid surface when adsorption occurs. Adsorption refers to the removal of an impurity from a liquid to the surface of a solid. “Adsorption” is one of the most frequently used but least understood terms in discussions of filtration.
Filtration systems remove particulate matter and, because of the large surface area of filter media, they also can be used to drive chemical reactions that result in the removal of several contaminants. These advances have allowed water treatment specialists to optimize the removal of impurities from the water. The fundamental physical and chemical mechanisms that occur during filtration have become better understood over the years. Some of the equipment used to employ these mechanisms has have changed dramatically over time. Depending on the impurity impurities and the media, several different physical and chemical mechanisms are active in removing are responsible for the removal of impurities from the water. As the water passes through the media, the impurities are held in the filter media material.
This is achieved by passing the dirty input water (influent) through a filter media. For thousands of years filtration has been used to reduce the level of dirt, rust, suspended matter and other impurities from water.
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