Etherification with intermediate skeletal olefin isomerization

Details Etherification with intermediate skeletal olefin isomerization Etherification with intermediate skeletal olefin isomerization

1992-12-29

1994-01-04

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

585310, 585314, C07C 4106, C07C 522

Patent

active

052762122

ABSTRACT:
A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses a first etherification zone that passes an etherification effluent and an etherification recycle stream through a skeletal isomerization separation zone to prepare an etherification feed for an additional etherification reactor. Etherification of additional isoalkane reactants in a separate etherification zone permits the production of additional ether products through isomerization without requiring additional etherification capacity upstream of the isomerization zone. Therefore additional etherification capacity can be added without significant changes to existing etherification capacity. The additional etherification zone may be in the form of a reactive distillation reactor that provides a high boiling ether product stream, a low boiling isoalkane vent stream and an intermediate boiling normal butene sidecut stream.

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