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:
Oct. 04, 2022
Filed:
Aug. 09, 2019
Applicant:
Nextchem S.p.a., Milan, IT;
Inventors:
Francesco Micheletti, Arzignano, IT;
Valerio Coppini, Meda, IT;
Assignee:
Nextchem S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C10B 53/00 (2006.01); C07C 2/82 (2006.01); C07C 1/12 (2006.01); C07C 2/84 (2006.01); C07C 1/04 (2006.01); C10B 53/07 (2006.01); C10G 47/02 (2006.01); C10G 57/02 (2006.01);
U.S. Cl.
CPC ...
C10B 53/07 (2013.01); C10G 47/02 (2013.01); C10G 57/02 (2013.01); C10G 2300/1003 (2013.01);
Abstract
Process for the conversion of plastics to olefins comprising the following steps: A) gasification of the plastics to synthesis gas by reaction of the plastics with pure oxygen; B) catalytic conversion of the synthesis gas produced in stage A) to methane in at least three successive stages, in each of which hydrogen is added; C) catalytic conversion of the methane produced in stage B) into olefins by the oxidative coupling reaction of methane; and D) separation of the olefins produced in stage C) from other compounds present in the reaction mixture of said stage C).