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. 25, 1983
Filed:
Jul. 30, 1982
Benjamin Gross, Cherry Hill, NJ (US);
Mobil Oil Corporation, New York, NY (US);
Abstract
In a fluid catalytic cracking (FCC) process and apparatus, the heat balance between the reactor and the regenerator of the FCC operation is partially uncoupled by transferring at least a portion of thermal energy from the reactor vessel downflow riser to the regenerator vessel. The transfer of thermal energy results in a higher regenerating temperature. The thermal energy is recirculated to the upstream section of the downflow reactor riser through a regenerated catalyst having higher temperature. Consequently, the outlet of the reactor vessel is maintained at a substantially constant temperature (e.g., 1000.degree. F.) and the rate of conversion of the oil feed and the octane number of gasoline produced in the process are increased.