Method for passing a fluid through a moving bed of particles

Details Method for passing a fluid through a moving bed of particles Method for passing a fluid through a moving bed of particles

2007-06-06

2009-06-16

Caldarola, Glenn (Department: 1797)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

C208S046000, C208S134000, C208S139000, C208S171000, C208S173000, C422S139000, C422S211000, C422S216000, C502S020000, C585S654000, C585S920000, C585S921000

Reexamination Certificate

active

07547387

ABSTRACT:
A process for contacting a bed of particulate material, usually catalyst, with a transverse flow of fluid is disclosed. The particulate material moves or is prevented from not moving, while the fluid passes through the bed at a rate greater than the stagnant bed pinning flow rate. This invention is applicable to hydrocarbon conversion processes and allows for higher fluid throughput rates compared to prior art processes.

REFERENCES:
patent: 4110081 (1978-08-01), Millar et al.
patent: 4446112 (1984-05-01), Hartog
patent: 4478793 (1984-10-01), Vickers
patent: 4869808 (1989-09-01), Vora et al.
patent: 6814857 (2004-11-01), Gu et al.
patent: 7241376 (2007-07-01), Gu et al.

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