FCC catalyst stripper

Details FCC catalyst stripper FCC catalyst stripper

1994-08-03

1996-07-02

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208151, 208153, 422189, 422191, 422196, C10G 936

Patent

active

055318843

ABSTRACT:
A fluidized catalytic cracking (FCC) process and apparatus uses a catalyst stripper with slant trays or shed trays having "downcomers". Downcomers, vertical catalyst/gas contacting elements, provide a vertical, countercurrent region for catalyst/stripping vapor contact. The downcomers improve stripping effectiveness.

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patent: 5059305 (1991-10-01), Sapre
patent: 5310477 (1994-05-01), Lomas
patent: 5380426 (1995-01-01), Johnson

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