The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 02, 2020

Filed:

May. 03, 2019
Applicant:

Axens, Rueil-Malmaison, FR;

Inventors:

Jérôme Pigourier, Meudon, FR;

Isabelle Prevost, Rueil Malmaison, FR;

Assignee:

AXENS, Rueil-Malmaison, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 61/08 (2006.01); B01D 3/14 (2006.01); B01D 3/32 (2006.01); B01J 19/24 (2006.01); C07C 5/27 (2006.01); C07C 6/12 (2006.01); C07C 7/00 (2006.01); C07C 7/04 (2006.01); C07C 7/12 (2006.01);
U.S. Cl.
CPC ...
C10G 61/08 (2013.01); B01D 3/143 (2013.01); B01D 3/322 (2013.01); B01J 19/24 (2013.01); C07C 5/2732 (2013.01); C07C 6/123 (2013.01); C07C 7/005 (2013.01); C07C 7/04 (2013.01); C07C 7/12 (2013.01); C10G 2300/1096 (2013.01); C10G 2300/201 (2013.01); C10G 2400/30 (2013.01);
Abstract

The present invention relates to a process and to a device for the separation of a feedstock comprising benzene, toluene and C8+ compounds, in which: a toluene column (C10) is fed directly with a C7+ cut resulting from the bottom of a stabilization column (C11) positioned downstream of a transalkylation unit (P4); a C7− cut is withdrawn at the top of the toluene column (C10) and a C8+ cut is withdrawn at the bottom; a benzene column (C9) is fed with the C7− cut resulting from the toluene column (C10); an essentially aromatic cut resulting from an aromatics extraction unit (P1) is injected into the toluene column (C10) separately above the feeding of the C7+ cut or into the benzene column (C9).


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