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Ethanol separation by selective adsorption of water

✍ Scribed by S. K. Rakshit; P. Ghosh; V. S. Bisaria

Book ID
104744508
Publisher
Springer
Year
1993
Tongue
English
Weight
356 KB
Volume
8
Category
Article
ISSN
1615-7605

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✦ Synopsis

Preferential adsorption of water in the vapor phase by lignocellulosic residues for the production of anhydrous ethanol has been reported in this work. Rice straw, microcrystalline cellulose powder (MCCP) and bagasse were the lignoceUulosic residues used as adsorbents. Starting with an ethanol concentration of 80-90% a final concentration above the azeotropic concentration was obtained. An energy analysis of the process was made and a possible explanation of phenomena suggested.

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The hydrophobic micropores of active carbon were filled with the four adsorption parameters could be determined by a a mixture of water and ethanol by adsorbing their mixed vapors combination of volumetric and gravimetric methods, if the (H 2 O/EtOH Å 3/1) on active carbon. The desorption isotherm o