Alkylation system with catalyst transfer

Details Alkylation system with catalyst transfer Alkylation system with catalyst transfer

2011-07-05

2011-07-05

Griffin, Walter D (Department: 1774)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is fluid pressure sensitive

C422S110000, C422S111000, C422S113000, C422S145000, C585S464000, C585S723000

Reexamination Certificate

active

07972563

ABSTRACT:
A system for alkylating hydrocarbons which includes an improved method of safely handling alkylation catalyst is disclosed. The process includes passing the alkylation catalyst from a settler vessel to a catalyst receiving vessel, via a catalyst cooler, for containment therein in the presence of a condensible gas. Also disclosed is a method for controlling the pressure in the catalyst receiving vessel by controlling the rate of removal of vapors.

REFERENCES:
patent: 5021223 (1991-06-01), Hovis
patent: 6709638 (2004-03-01), Randolph et al.

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