Process for converting olefins to jet fuel with stripping
AssigneeUop LLC
InventorsAshish Mathur, Debanjan Chakrabarti, Jeannie Mee Blommel, Joel S. Paustian, Manuela Serban
Life of this patent
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Abstract
A process for oligomerizing olefins to distillate fuels which oligomerizes a recycle olefin stream with a charge olefin stream in a first-stage oligomerization reactor. The first-stage oligomerate is oligomerized in a second-stage oligomerzation reactor to provide a second-stage oligomerate stream. The second-stage oligomer stream is hydrogenated to produce fuels. A stripping column is used to prepare the hydrogenated fuel streams for fractionation.
Claims20
A process for oligomerizing olefin streams comprising:
- oligomerizing liquid and vapor phase charge olefin streams over a first-stage oligomerization catalyst to produce a first-stage oligomerized stream;
- oligomerizing said first-stage oligomerized stream over a second-stage oligomerization catalyst to provide a second-stage oligomerized stream;
- hydrogenating a heavy olefin stream taken from said second stage oligomerized stream to provide a hydrogenated stream;
- and
- stripping light gases from said hydrogenated stream to provide a stripped stream.
A process for oligomerizing olefin streams comprising:
- oligomerizing liquid and vapor phase charge olefin streams over a first-stage oligomerization catalyst to produce a first-stage oligomerized stream;
- oligomerizing said first-stage oligomerized stream over a second-stage oligomerization catalyst to provide a second-stage oligomerized stream;
- hydrogenating a heavy olefin stream taken from said second stage oligomerized stream to provide a hydrogenated stream;
- stripping light gases from said hydrogenated stream to provide a stripped stream;
- and
- fractionating said stripped stream to provide a naphtha stream, a jet fuel stream and a diesel stream.
A process for oligomerizing olefin streams comprising:
- oligomerizing liquid and vapor phase charge olefin streams over a first-stage oligomerization catalyst to produce a first-stage oligomerized stream;
- oligomerizing said first-stage oligomerized stream over a second-stage oligomerization catalyst to provide a second-stage oligomerized stream;
- and
- hydrogenating a heavy olefin stream taken from said second stage oligomerized stream to provide a hydrogenated stream;
- separating said hydrogenated stream to provide a hydrogenated liquid stream;
- and
- stripping light gases from said hydrogenated liquid stream to provide a stripped stream.
Dependencies are inferred from the claim text.