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U.S. Department of Energy
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Apparatus for multi-stage regeneration of catalyst in a bubbling bed catalyst regenerator and side mounted fast fluidized bed regenerator

Patent ·
OSTI ID:7191214
This patent describes an apparatus for the fluidized catalytic cracking of a heavy feed to lighter, more valuable products. It comprises a regenerator vessel, a riser reactor, a reactor vessel, a catalyst stripper, a vertical, stripped catalyst standpipe, a catalyst transfer vessel with an elevation at least partially below the regenerator vessel, a spent catalyst transfer line having an inlet connective with the transfer vessel outlet and having a transfer line outlet; a coke combustor; a coke combustor transfer line; a catalyst/flue gas disengaging means within the regenerator vessel and comprising a vertical cylinder having a vertical axis and axially aligned with at least partially enclosing the vertical spent catalyst standpipe.
Assignee:
Mobil Oil Corp., Fairfax, VA (United States)
Patent Number(s):
US 5145654; A
Application Number:
PPN: US 7-752806
OSTI ID:
7191214
Country of Publication:
United States
Language:
English