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. 29, 2008
Filed:
Mar. 29, 2004
Cor F. Van Egmond, Pasadena, TX (US);
James H. Beech, Jr., Kingwood, TX (US);
Hans A. Klemm, Melrose, MA (US);
Kyle Castaldy, Marlboro, MA (US);
Cor F. van Egmond, Pasadena, TX (US);
James H. Beech, Jr., Kingwood, TX (US);
Hans A. Klemm, Melrose, MA (US);
Kyle Castaldy, Marlboro, MA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A technique for recovering heat from a high temperature effluent stream from catalyst regeneration or the like, comprising processes and means for: (a) passing the effluent stream in heat exchange relationship in a steam generator with boiler feed water to produce high pressure steam and partially cool the effluent stream; (b) passing the partially cooled effluent stream from the steam regenerator in heat exchange relationship to preheat high pressure boiler feed water and further cool the effluent stream; and (c) passing the preheated boiler feed water to the steam generator. The apparatus and processes for thermal energy recovery may be used to treat hot regenerator effluent from FCC or OTO-type processes, thereby producing a cooled flue gas stream to discharge to ambient atmosphere.