Distillation is the process of separating a liquid mixture into its component parts. It is also known as fractional distillation. The distillation column is the heart of the distillation system. Industrial distillation is performed in a distillation column which is also known distillation tower.

We have manufactured simple distillation columns as well as fractional distillation columns with internal packing for highly complex distillation requirements.

• Packed towers are more effective when used with corrosive liquids
• Packed towers handle foaming systems better than trays
• Packings provide extra interfacial area for liquid-vapor contact, so the efficiency of the separation is increased for the same column height
• Packed columns can be shorter and more cost-efficient than trayed columns
• Random packings are easier to install than trays and structured packing
• Optimal performance of packed columns require effective liquid distributors feeding the packed bed
• Tray towers offer better predictability than packed towersTray towers are better at handling solids
• Tray towers are better at handling lower liquid rates

Industrial distillation columns use either trays or packing to promote vapor-liquid contact in separating the components of liquid mixtures to the desired purity. Approximately one-half of columns are equipped with trays globally, and the other half contain packings. This one-page reference reviews the differences between the two and the process situations that lend themselves to one or the other.

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