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US 2023/0415083 A1Published application
Vapor-liquid contacting apparatus and process with downcomer at shell
AssigneeUop LLC
InventorZhanping Xu
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Abstract
A high capacity and high efficiency vapor-liquid contacting apparatus and process is useful in distillation columns and other vapor-liquid contacting processes. The apparatus is characterized by a half module comprising a downcomer against a shell of a vessel for transporting liquid to a subjacent stage which utilizes a demister to effect vapor-liquid separation at the downcomer outlet.
Claims4
A process for vapor-liquid contacting, comprising the steps of:
- directing liquid through an inlet of a downcomer in a vessel;
- contacting liquid with a shell of the vessel or an outer wall of the downcomer adjacent to a shell of the vessel while descending in said downcomer;
- directing liquid from an outlet of the downcomer into a contacting volume;
- entraining the liquid in the vapor ascending in said contacting volume to flow co-currently into a demister;
- and
- separating the liquid from the vapor in the demister.
3 more elements
Dependencies are inferred from the claim text.