Air treatment refers to the equipment and processes used to clean up compressed air to make it suitable for whatever application it is being used in. In all breweries, from startup nano sized up to major production breweries, clean and dry air is needed.
Brewers strive to keep their brewery as clean as possible and prevent unwanted contamination of the product and their equipment. All equipment that comes into contact with wort or beer is cleaned, sanitized, and stored in a sanitary manner. What no one ever considers is the air that touches their kegs...