The present invention provides a process for the preparation of ethene by vapour phase chemical dehydration of a feed comprising ethanol said process comprising contacting the feed with a supported heteropolyacid catalyst in a reactor wherein the feed temperature is at least 250 °C and the pressure inside the reacto...

The present invention provides a process for the preparation of ethene by vapour phase chemical dehydration of ethanol using an adiabatic reactor wherein the interior of the adiabatic reactor is separated into at least three reaction zones comprising a first reaction zone at least one intermediate reaction zone and ...

The present invention provides a process for the preparation of ethene by vapour phase chemical dehydration of a feed stream comprising ethanol and optionally water and/or ethoxy ethane said process comprising contacting a dried supported heteropolyacid catalyst in a reactor with the feed stream having a feed temper...

The present invention provides a process for the preparation of ethene by vapour phase chemical dehydration of a feed comprising ethanol and optionally water and/or ethoxyethane said process comprising contacting a dried supported heteropolyacid catalyst in a reactor with the feed stream having feed temperature of a...