Feed injector

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

Reexamination Certificate

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Details

C422S214000

Reexamination Certificate

active

07407572

ABSTRACT:
This invention relates to an apparatus and process for atomizing a petroleum feed. More particularly, a liquid petroleum feed is atomized with an atomization apparatus in which the apparatus has an orifice that produces a generally flat spray pattern of finely dispersed feed prior to contacting catalyst in a fluid catalytic cracking zone. The orifice has a general aspect ratio greater than 1.0 and a ratio of perimeter length-to-cross-sectional area greater than 1.5 relative to a perimeter-to-cross-sectional area ratio of a circular orifice of equivalent area. The apparatus can be used to atomize feed injected into the cracking zone of a fluid catalytic cracker.

REFERENCES:
patent: 4981368 (1991-01-01), Smith
patent: 5794857 (1998-08-01), Chen et al.
patent: 5979799 (1999-11-01), Chen et al.
patent: 2002/0153428 (2002-10-01), Koveal et al.
patent: 2004/0062689 (2004-04-01), Gauthier et al.
patent: 0454416 (1991-10-01), None
patent: WO 2005/047427 (2005-05-01), None

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