Olefin upgrading system for extracted feed

Details Olefin upgrading system for extracted feed Olefin upgrading system for extracted feed

1985-03-27

1986-12-02

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422234, 585329, 208 87, B01J 804, C07C 202

Patent

active

046264159

ABSTRACT:
Apparatus is disclosed for oligomerizing olefinic Fischer-Tropsch liquids to produce heavier hydrocarbons by converting olefinic feedstock containing oxygenated hydrocarbons over an acidic zeolite catalyst. The improvement comprises an extraction unit for removing oxygenates from the feedstock; means for converting the extracted feedstock in a primary stage distillate mode catalytic reactor system under low severity conditions at high pressure and moderate pressure; means for recovering the oxygenates and light hydrocarbons from the primary stage and a secondary stage reactor system for conversion of oxygenates under high severity conditions at substantially higher temperature than the primary stage, thereby converting oxygenates and light hydrocarbons to heavier hydrocarbons.

REFERENCES:
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patent: 4111792 (1978-09-01), Caesar et al.
patent: 4150062 (1979-04-01), Garwood et al.
patent: 4227992 (1980-10-01), Garwood et al.
patent: 4433185 (1984-02-01), Tabak
patent: 4497968 (1985-02-01), Wright et al.
patent: 4513156 (1985-04-01), Tabak

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