Used primarily for drying gases and liquids, particularly in the petrochemical industry, to remove water from natural gas streams. They are also employed in the dehydration of ethanol, ensuring the production of anhydrous ethanol for fuel blending. In air brake systems, they help prevent freezing by removing moisture from compressed air. Additionally, they are utilized in the packaging industry to maintain dryness in products like pharmaceuticals, electronics, and food items. Their selective adsorption properties make them suitable for separating molecules based on size, such as removing smaller molecules like water while allowing larger molecules to pass through.