Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 18, 2007
Patent Application Number
11087848
Date Filed
March 23, 2005
Patent Primary Examiner
Patent 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.
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