Methods and configurations for catalyst regeneration

Details Methods and configurations for catalyst regeneration Methods and configurations for catalyst regeneration

2002-08-21

2010-10-19

Lorengo, Jerry (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

C502S041000, C502S043000, C502S046000, C422S142000, C422S144000, C110S245000, C110S347000

Reexamination Certificate

active

07816294

ABSTRACT:
A catalyst regenerator (100) has a first section (110) and a second section (120) and is operated such that carbon from a carbon-contaminated catalyst (140) is converted to carbon monoxide in the first section (110) and that carbon monoxide is converted to carbon dioxide in the second section (120). The residence time of the oxygen-containing gas in the first and second sections (110, 120) is regulated in preferred configurations by the shape (e.g., diameter) of the first and second sections (110, 120).

REFERENCES:
patent: 4313848 (1982-02-01), Scott
patent: 4375404 (1983-03-01), Myers
patent: 4849091 (1989-07-01), Cabrera et al.
patent: 4991521 (1991-02-01), Green et al.
patent: 2006/0014628 (2006-01-01), Chu

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