Dehydration of Ethanol: New Approach Gives Positive Energy Balance

Science  31 Aug 1979:
Vol. 205, Issue 4409, pp. 898-900
DOI: 10.1126/science.205.4409.898


Water was removed from aqueous ethanol by using cellulosic materials, starch, corn, and other agents. The combustion energy of the ethanol product can exceed the energy needed to carry out the dehydration by a factor of 10.