Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard Charles Stell0
David Bleckinger0
James N. McCoy0
Paul F. Keusenkothen0
Alok Srivastava0
Bryan Daniel McVicker0
David Beattie0
Date of Patent
December 1, 2009
0Patent Application Number
114322600
Date Filed
May 11, 2006
0Patent Primary Examiner
Patent abstract
The invention relates to a method for processing asphaltene-containing feed to a pyrolysis furnace by raising the final boiling point of the feed/steam mixture to the pyrolysis furnace to ensure fouling occurs lower in the convection section where the mixture of air and steam can burn off fouling deposits during decoking operations. The final boiling point of the feed stream is increased by adding a heavy essentially asphaltene-free high boiling point hydrocarbon to the feed stream before the feed stream enters the convection section of the pyrolysis furnace, whereby said fouling occurs lower in the convection section.
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