Final conversion and reaction rate of CaO hydration in different experimental systems

被引：5
作者：
Abliz, S
Ogura, H
Kage, H
机构：
[1] Kyushu Inst Technol, Dept Appl Chem, Tobata Ku, Kitakyushu, Fukuoka 8048550, Japan
[2] Chiba Univ, Dept Urban Environm Syst, Inage Ku, Chiba 2638522, Japan
来源：
KAGAKU KOGAKU RONBUNSHU | 2005年 / 31卷 / 04期
关键词：
heat storage; chemical heat pump; gas-solid reaction; hydration conversion; calcium oxide;
D O I：
10.1252/kakoronbunshu.31.253
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The reversible hydration of CaO to Ca(OH)(2), was investigated in open and closed systems. The experimental results were compared with that of the Semi-closed system reported in the previous paper. The pressure for reaction in the open system was higher for hydration and lower for dehydration than in the closed system at the same temperature. The final hydration conversion in the closed system at given reaction temperature was lower than in the open and semi-closed systems. The specific surface area of CaO obtained by the dehydration in the semi-closed system was about 1.2 times greater than that in the closed system. A model previously proposed for semi-closed system was found to be applicable also to the closed and open systems.
引用
收藏
页码：253 / 258
页数：6
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