Why are packed towers preferred for the separation of corrosive media
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Why are packed towers preferred for separating corrosive media?
Because corrosive media can easily produce many corrosive by-products during production, which block the floating valves and lead to an increase in pressure drop across the trays, thereby affecting distillation; packed towers are relatively much better in this regard.
Packed towers are suitable for foamy and corrosive systems, as the packing helps to limit and break down foam; porcelain packing can be used in such cases. In plate columns, it easily causes flooding. If a plate tower must be used, it is advisable to choose a sieve tray tower, a cross-flow tray tower, or a tongue-shaped tray tower with a simple structure and low cost, so as to allow for easy replacement.