Process and installation for the recuperation of the most heavy hydrocarbons in a mixture of gases.

摘要

In this process the lightest constituents are at least partially removed by permeation (at 2) before the stages of partial condensation (3) and of distillation (4) and the permeate is diluted using the residual gas. Application to the recovery of liquefied petroleum gases from a residual refinery gas. <IMAGE>