Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David T. Roland0
Gary M. Gianzon0
Date of Patent
January 13, 2015
0Patent Application Number
137737700
Date Filed
February 22, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The delayed coking process comprises the steps of: thermally cracking hydrocarbon feedstock in the coke drum thereby converting the feedstock to coke and hydrocarbon products; routing thermally crack hydrocarbon products to downstream fractionators; and periodically removing coke out of the drum. Before coke removal, the drum has to be steam stripped, water quench, then vented. During venting, H2S scavenger is injected to the drum vapor space to remove residual H2S.
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