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Hydrogen Permselective Membrane using the Zirconia Coated Support  

Choi, Ho-Sang (Department Chemical Engineering, Kyungil University)
Ryu, Cheol-Hwi (Graduate School, Department Green Energy, Hoseo University)
Hwang, Gab-Jin (Graduate School, Department Green Energy, Hoseo University)
Publication Information
Membrane Journal / v.20, no.3, 2010 , pp. 210-216 More about this Journal
Abstract
The hydrogen permselective membrane were prepared by chemical vapor deposition (CVD) aiming at the applications to hydrogen iodide decomposition in the thermochemical IS process, and it was evaluated for the possibility as a separation membrane. An electron probe X-ray microanalyzer (EPMA) and SEM picture were used to analyze the morphology and structure of the prepared membranes. It was confirmed that Zr-Si-O layer exist in the surface of the prepared membrane using zirconia coated support. Single-component permeance to $H_2$ and $N_2$ were measured at $300{\sim}600^{\circ}C$. Hydrogen permeance through the Z-1 membrane at a permeation temperature of $600^{\circ}C$ was about $1{\times}10^{-7}\;mol{\cdot}Pa^{-1}{\cdot}m^{-2}{\cdot}s^{-1}$. The selectivities of $H_2/N_2$ at $600^{\circ}C$ were 5.0 and 5.75 for Z-1 and Z-2 membrane, respectively.
Keywords
inorganic membrane; silica membrane; chemical vapor deposition; gas separation; hydrogen permselectivity;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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