Various Demister Pad Materials and Their Corresponding Applications

Demister pad has been widely used in various types of tower devices including drying towers, vacuum towers, absorption towers, separation tanks, gas separators, compression absorption tanks, evaporators, washing towers, distillation towers, recovery vessels, dust collection devices and the like.

You may choose appropriate materials according to their properties and specific application scenarios according the table listed below.

Item Material Liquid Product Separated
1 SS 304, SS 304L General purpose, petroleum fractions
2 SS 316, SS 316L General purpose, alcohol distillation
3 Copper Alcohol, aldehyde, amines
4 Monel Dilute acid, caustic soda
5 Nickel Caustic soda
6 Alloy 20 Nitric acid, alkaline PH
7 Inconel 825 Dilute acidic media
8 Inconel 625 Phosphoric acid, fatty acid
9 Polypropylene Hydrochloric acid, corrosive media
10 PTEF Corrosive services for various media at the temperature ranging from -150 °C to 250 °C
11 PTFE/FEP/PFA/ETFE/ECTFE For highly corrosive and high temperature
12 Hostaflon Sulfuric acid plant, temperature up to 150 °C
13 Glass wool For very fine mists
14 Titanium For high corrosion resistance conditions of various concentrations
15 UNSN04400, MCu-28-1.5-1.8, Ni68Cu28Fe For high corrosion resistance conditions
16 PP 100 °C below, excellent acid and alkali resistance
A packed tower and we can see the column internals, demister pads and random/structured packing clearly.