These devices are used to collect liquid from upper bed for redistribution or drawoff as side-product or pumparound. They are designed to give low pressure drop and collect all the upper bed liquid. It's very important to mix all the liquid and provide a uniform composition for redistribution.

Chevorn type and riser type are in common use.

Liquid collect and redistributor

Chevron type collector for large diameter column

Chevron type collector for small diameter column

3800 Liquid collect and redistributor

flash feed collector

 

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