Ethylene, other light olefins and gasoline are produced from ethanol, or a mixture of ethanol/light alcohols or water over a pentasil-type zeolite into which zinc and manganese are preferably incorporated. The ethylene yield is linearly proportional to the ethanol content in the feed. No ethers and only...http://www.google.com.au/patents/US4698452?utm_source=gb-gplus-sharePatent US4698452 - Ethylene light olefins from ethanol
