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Infiltration of liquid water in an acid-leached zeolite

Published online by Cambridge University Press:  31 January 2011

Aijie Han  and
Yu Qiao
Aijie Han
Affiliation:
Department of Structural Engineering, University of California—San Diego, La Jolla, California 92093-0085
Yu Qiao*
Affiliation:
Department of Structural Engineering, University of California—San Diego, La Jolla, California 92093-0085
*
a)Address all correspondence to this author. e-mail: yqiao@ucsd.edu
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Abstract

Through acid-leaching treatment, the degree of hydrophobicity of a zeolite β can be controlled in a broad range. As the treatment time increases, the nanopore surface can change from hydrophilic to hydrophobic, leading to the formation of an infiltration plateau in sorption isotherm curve. The infiltration pressure and hysteresis are dependent on the testing temperature. As temperature rises, the effective degree of hydrophobicity is lowered, while the defiltration is much more pronounced.

Keywords

AbsorptionPorosityZeolite
Type
Articles
Information
Journal of Materials Research , Volume 22 , Issue 12 , December 2007 , pp. 3538 - 3541
Copyright
Copyright © Materials Research Society 2007

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