What means is primarily used by water filtration to remove impurities?

Water filtration typically employs various methods to effectively remove impurities from water, and both adsorption and mechanical means play significant roles in this process.

Adsorption involves the adhesion of molecules from the water to the surface of the filtering media, allowing for contaminants to be captured and retained. This process is particularly useful for removing smaller particles, organic compounds, and certain chemicals, enhancing the overall quality of the water.

Mechanical filtration, on the other hand, relies on physical barriers to separate impurities from water. This could involve the use of screens or membranes that block larger particles and sediments, ensuring that clearer water passes through while retaining dirt, sand, and larger organic materials.

Utilizing both adsorption and mechanical methods in tandem maximizes the efficiency of the filtration process, allowing for a higher degree of purification than using either method alone. Therefore, the combination of these techniques is essential in water treatment to ensure a comprehensive approach to removing various types of impurities.