Startup method for a moving-bed hydrogenation zone

Details Startup method for a moving-bed hydrogenation zone Startup method for a moving-bed hydrogenation zone

1978-06-08

1980-02-12

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Hydrogenation

C10G 2308

Patent

active

041882830

ABSTRACT:
A startup method for a moving-bed reactor used in a process for the hydrogenation of olefin-containing hydrocarbons. The reactor is brought on-stream at full capacity while it contains less than a full loading of catalyst, and quantities of catalyst are intermittently added to the reactor while the hydrocarbons are being processed. Catalyst removal is then begun at a rate lower than the rate of catalyst addition and adjusted when the catalyst retention volume of the reactor becomes filled.

REFERENCES:
patent: 2446986 (1948-08-01), Simpson
patent: 2452172 (1948-10-01), Willard
patent: 2903420 (1959-09-01), Wilki
patent: 3826737 (1974-07-01), Pegels et al.

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