Integration of paraffin dehydrogenation with MOGD to minimize co

Details Integration of paraffin dehydrogenation with MOGD to minimize co Integration of paraffin dehydrogenation with MOGD to minimize co

1984-09-14

1988-06-07

Sneed, Helen M. S.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce unsaturate

585319, 585415, 585413, 585254, 585517, 585533, C07C 500, C07C 100

Patent

active

047498200

ABSTRACT:
Disclosed is a method and apparatus for producing gasoline and distillate grade products which employs integrating catalytic (or thermal) dehydrogenation of paraffins with MOGD to minimize interstage compression and gas plant separation cost. The process cascades the product from a low temperature propane or butane dehydrogenation zone into a first catalytic reactor zone which operates at low pressure and contains zeolite oligomerization catalysts, where the low molecular weight olefins are reacted to primarily gasoline range materials. These gasoline range materials can then be pressurized to the pressure required for reacting to distillate in a second catalytic reactor zone operating at high pressure and containing zeolite oligomerization catalyst. The first catalytic reactor zone also acts to remove the olefins from the dehydrogenation reactor effluent to allow recycle of the unreacted paraffins.

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