Catalytic cracking unit with combined catalyst separator and str

Details Catalytic cracking unit with combined catalyst separator and str Catalytic cracking unit with combined catalyst separator and str

1990-05-25

1992-05-12

Kratz, Peter

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422147, 422214, B01J 818

Patent

active

051125765

ABSTRACT:
A catalytic cracking apparatus is provided for cost-effectively separating and stripping hydrocarbon from catalyst while limiting the occurrence of undesired catalytic overcracking and thermal cracking reactions. The apparatus includes a reactor, a combined gross separator and catalyst stripping vessel, and a disengaging vessel. The combined vessel is positioned to quickly separate catalyst from reactor products, reduce catalytic overcracking and strip volatile hydrocarbon from coked catalyst in one unitary vessel. The disengager is designed to dampen the flow of grossly separated hydrocarbon, substantially separate catalyst fines from the grossly separated hydrocarbon, and convey the catalyst fines to the combined gross separation and catalyst stripping vessel.

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patent: 4721603 (1988-01-01), Krug et al.
patent: 5000841 (1991-03-01), Owen
patent: 5019354 (1991-05-01), Chan

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