Institut Francais Du Pe'trole

Benoit Millot

Joseph Y Larue

Isabelle Prevost

Barry James Johnson

Olivier Clause

Jonathan Guppy

Karine Ragil

Sarzil Rahman

Sachidanandan Murugiah

Brian Ayres

Sean Kennedy

Alexandru Bulza

For producing three effluents which are respectively rich in straight chain paraffins, in mono-branched paraffins, and in di-branched and tri-branched paraffins possibly with naphthenic and/or aromatic compounds, from C5-C8 cuts or intermediate cuts (C5-C7, C6-C8, C7-C8, C6-C7, C7 or C8), comprising paraffic and possibly naphthenic, aromatic and olefinic hydrocarbons, the separation process of the invention uses at least two separation units operating either by adsorption or by permeation. It is of particular application when coupled with a hydro-isomerization process, which selectively recycles straight chain and mono-branched paraffins, necessary with paraffins containing more than 7 carbon atoms.

Process for separating a C5-C8 feed or an intermediate feed into three

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Laneuveville Devant Nancy, France

Benoit Millot