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.
Patent No.:
Date of Patent:
Aug. 02, 2022
Filed:
May. 23, 2019
Technip France, Courbevoie, FR;
Véronique Reich, Vaucresson, FR;
Bruno Destour, Rueil Malmaison, FR;
TECHNIP FRANCE, Courbevoie, FR;
Abstract
A method for producing a stream of propylene and associated facility are described. The method includes: an introduction of a feed cut rich in C4 and/or C5 hydrocarbons, and at least one cut rich in ethylene into a metathesis reactor; an introduction of a metathesis product in a deethylenizer; a production of an overhead stream rich in ethylene and a feed stream; an introduction of the feed stream into a depropylenizer and recovery of a bottom stream containing C4+ hydrocarbons; a recovery, from an overhead stream of the depropylenizer, of the propylene stream; a lateral withdrawal of a recycle stream and return of the recycle stream to the metathesis reactor; a lateral draw-off, in the depropylenizer, of a purge rich in C4 paraffinic hydrocarbons and/or rich in isobutene.