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Science 31 August 1979:
Vol. 205. no. 4409, pp. 898 - 900
DOI: 10.1126/science.205.4409.898
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Articles

Dehydration of Ethanol: New Approach Gives Positive Energy Balance

MICHAEL R. LADISCH 1 and KAREN DYCK 1

1 Laboratory of Renewable Resources Engineering, Purdue University, West Lafayette, Indiana 47907

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.

Submitted on April 20, 1979
Revised on June 13, 1979


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Liquid-Phase Dehydration of Aqueous Ethanol-Gasoline Mixtures.
G. F. FANTA, R. C. BURR, W. L. ORTON, and W. M. DOANE (1980)
Science 210, 646-647
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