FCC stripper with spoke arrangement for bi-directional catalyst

Details FCC stripper with spoke arrangement for bi-directional catalyst FCC stripper with spoke arrangement for bi-directional catalyst

1994-12-08

1996-08-27

Achutamurthy, Ponnathapura

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208151, 502 55, 585834, C10G 3500

Patent

active

055498140

ABSTRACT:
An FCC stripper uses a grid arrangement that provides increased contacting of stripping fluid and catalyst through multiple levels of stripping grids while using a configuration that permits access through the stripper vessel for maintenance and inspection. The invention is particularly suited for large diameter stripping vessels where the typical frusto-conical configuration of baffles greatly increases the length of the stripper. The stripper grids also have orifice openings to redistribute stripping fluid at each level of stripping grid and increase contact between catalyst and stripping fluid.

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patent: 5015363 (1991-05-01), Centikayo
patent: 5019354 (1991-05-01), Chan
The Oil & Gas Journal, p. 102, May 15, 1972 edition & p. 65, Oct. 8, 1973 edition.

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