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:
Feb. 22, 2000
Filed:
Apr. 11, 1997
Asit Kumar Das, Faridabad, IN;
Debasis Bhattacharyya, Faridabad, IN;
Sukumar Mandal, Faridabad, IN;
Vutukuru Lakshmi Narasimh Murthy, Faridabad, IN;
Sanjeev Singh, Faridabad, IN;
Marri Rama Rao, Faridabad, IN;
Sobhan Ghosh, Faridabad, IN;
Indian Oil Corporation Ltd., Bandra, IN;
Abstract
A fluidized catalytic cracking apparatus for catalytically cracking a heavy hydrocarbon feed to lighter products includes a regenerator shell for heating spent catalyst, the regenerator shell having a bottom riser for introduction of the heavy hydrocarbon feed, a catalyst, and steam, and from which flows a stream, the bottom riser having a distributor for allowing the stream from the bottom riser to be distributed into a plurality of reaction tubes positioned within the regenerator shell; a catalyst separator connected to an upper end of the regenerator shell; a stripper connected to the catalyst separator to cause a stripping of the catalyst and the spent catalyst feed to the regenerator shell; and an air inlet provided in the regenerator shell so as to cause a combustion within the regenerator shell.