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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No:
2003/MAS/1997A
(22) Date of filing of Application:09/09/1997 (43) Publication Date: 09/06/2006
(54) Title of the invention:
A REACTRO RISER OF A FLUID
CATALYTIC CRACKING PLANT
(51)International classification:C 10 G
11/18
(31) Priority Document No.96202726
(32) Priority Date:30/09/1996
(33) Name of priority country: EUROPE
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Applcation No.:
Filed on:
(71) Name of Applicant
SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
Address of Applicant:
CAREL VAN BYLANDTLAAN 30, 2596
HR,THE HAGUE, THE NETHERLANDS,
(72) Name of the Inventor(s):
Hubertus Wilhelmus Albertus DRIES
(57)Abstract
Reactor riser (1) of a fluid catalytic cracking plant, which reactor riser (1) has an axial passageway (5) extending
between an inlet end for receiving hydrocarbonaceous feed and catalyst particles and an outlet end for discharging
effluent and catalyst particles, which reactor riser is provided with a plurality of contacting devices (6, 7, 8) arranged
axially spaced apart in the axial passageway (5), wherein each contacting device (6, 7, 8) comprises a mixing element
(10) having the shape of a segment of arc.
The Patent Office Journal 09/06/2006 10832