A Study on the Characterizations of Silica.Ceramic Paper Dehumidifiers Impregnated with Zeolites 


Vol. 14,  No. 1, pp. 40-46, Mar.  2008


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  Abstract

The dehumidifiers were prepared by the impregnation of the zeolites such as MCM 48, USY, beta on the silica ceramic paper. Their capacities for H2O absorption and regeneration of the bed were tested in a fixed bed reactor system. The H2O absorption capacities of the dehumidifiers impregnated with the zeolites were 1.5 ~ 2 times higher than those without the zeolites. Especially, the humidifier using MCM 48 and colloidal silica showed an excellent capacity (42.1 g H2O/ g absorbent). It was found that the H2O absorption capacities of the dehumidifiers were improved because the amount of silica gel, the main component in absorbing H2O, increased due to the large surface area and pore volume of the zeolites. In addition, H2O was easily desorbed from the dehumidifiers with zeolites at 80℃ of regeneration temperature and the desorption amount of H2O was the same as that absorbed. It was confirmed that the H2O absorption capacities of the dehumidifiers impregnated with zeolite were maintained without deactivation through the repeated cyclic experiments.

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  Cite this article

[IEEE Style]

J. SY, L. SC, C. HJ, L. HJ, P. JJ, A. YS, K. HS, K. JC, "A Study on the Characterizations of Silica.Ceramic Paper Dehumidifiers Impregnated with Zeolites," Clean Technology, vol. 14, no. 1, pp. 40-46, 2008. DOI: .

[ACM Style]

Jung SY, Lee SC, Chae HJ, Lee HJ, Park JJ, Ahn YS, Kim HS, and Kim JC. 2008. A Study on the Characterizations of Silica.Ceramic Paper Dehumidifiers Impregnated with Zeolites. Clean Technology, 14, 1, (2008), 40-46. DOI: .

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