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:
Jul. 02, 2024
Filed:
Jul. 03, 2021
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Ping Sun, Hinsdale, IL (US);
Jeffrey Tyska, Chicago, IL (US);
Joseph A. Montalbano, Elmhurst, IL (US);
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 1/10 (2006.01); B01D 15/08 (2006.01); C10B 53/07 (2006.01); C10G 31/06 (2006.01); F23G 5/027 (2006.01);
U.S. Cl.
CPC ...
C10G 1/10 (2013.01); B01D 15/08 (2013.01); C10B 53/07 (2013.01); C10G 31/06 (2013.01); F23G 5/027 (2013.01); B01D 2215/00 (2013.01); B01D 2257/204 (2013.01); C10G 2300/1003 (2013.01); Y02P 20/143 (2015.11);
Abstract
A process for pyrolysis of a mixed plastic stream that contains polyvinyl chloride (PVC) is provided in which the chloride from PVC is removed from an initial melting reactor that heats the mixed plastic stream to a sufficient temperature to produce HCl but at a low enough temperature to avoid production of organochlorides. Chloride is primarily removed in a vapor stream from the initial melting reactor, while additional chloride removal may be removed downstream from the melting reactor by the use of sorbent addition to the pyrolysis reactor and by subsequent adsorbent beds.