Droplet removal plays a very crucial role in damage to the downstream equipment. This issue becomes more alarming in highly acidic applications such as in Sulphuric Acid Drying Towers. Proper selection of internals for mist elimination in sulphuric acid drying and absorption towers is still a challenge from the performance and material points of view. In sulphuric acid drying towers, knitted wire mesh pads are the principal type of equipment used. Poorly designed, corroded or fouled drying tower mist eliminators are common sources of excessive entrainment. In drying towers the operating life of mist eliminators is affected by two primary factors; corrosion and fouling. A new PTFE filament used in the Sulzer KnitMesh XCOAT mist eliminator provides an innovative approach to these problems.
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