Please use this identifier to cite or link to this item: https://doi.org/10.1080/07373930802715252
Title: Drying kinetics of magnesium hydroxide of different morphological micro nanostructures
Authors: Yun, L.
Wang, B.
Jing, D.
Lv, X.
Yu, C.
Wang, G.
Huang, L.
Mujumdar, A.S. 
Keywords: Drying rate
Equilibrium moisture contents
Hydroscopicity
Magnesium hydroxide
Micro nanostructures
Moisture adsorption isotherm
Issue Date: 2009
Citation: Yun, L., Wang, B., Jing, D., Lv, X., Yu, C., Wang, G., Huang, L., Mujumdar, A.S. (2009). Drying kinetics of magnesium hydroxide of different morphological micro nanostructures. Drying Technology 27 (4) : 523-528. ScholarBank@NUS Repository. https://doi.org/10.1080/07373930802715252
Abstract: Two kinds of Mg(OH)2 nanosheets were prepared using a precipitation conversion method, and Mg(OH)2 microparticles were synthesized by a direct precipitation method. Drying kinetics experiments of magnesium hydroxide of three morphological micro nanostructures were performed and their drying curves as well as drying rate curves were obtained at 80-140°C. The equilibrium moisture adsorption isotherms of magnesium hydroxide of three morphological micro nanostructures at 12°C were obtained. Results indicate that drying rate curves of magnesium hydroxide microparticles exhibit three stages: a setup period, a constant rate drying period, and a falling rate drying period. Drying rate curves of magnesium hydroxide nanosheets (nanosheets A and nanosheets B) show the same three stages with a small descending trend of constant rate drying period. It is also found that equilibrium moisture contents of Mg(OH)2 nanosheets are larger than those of Mg(OH)2 microparticles under the same drying conditions. The hydroscopicity of nanosheets A is the strongest and that of microparticles is the weakest.
Source Title: Drying Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/85026
ISSN: 07373937
DOI: 10.1080/07373930802715252
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