Startup of an olefins production plant

Details Startup of an olefins production plant Startup of an olefins production plant

2007-09-18

2007-09-18

Nguyen, Tam M. (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

C208S113000, C208S125000, C208S130000, C208S132000, C585S648000, C585S652000, C585S951000

Reexamination Certificate

active

11087848

ABSTRACT:
A method for starting up an olefin production plant without venting gases to the atmosphere wherein an artificial feed is employed in the compression zone of the plant while the furnace and quench zones remain idle, and gases from the compression and refrigeration zones of the plant are recycled to the inlet of the compression zone during startup, after which the furnace and quench zones are started up using natural feed.

REFERENCES:
patent: 5777188 (1998-07-01), Reed et al.
patent: 2005/0038306 (2005-02-01), Beech et al.

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