A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses a separation zone that receives an effluent stream from the etherification reaction zone and separates it into a high boiling stream, a low boiling stream and an intermediate boiling stream...http://www.google.fr/patents/US5283373?utm_source=gb-gplus-shareBrevet US5283373 - Etherification with skeletal olefin isomerization
