Study of Carbonation Reactions of Ca-Mg Oxides for High Temperature Energy Storage and Heat Transformation.
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- Kyaw Kyaw
- Department of Energy Engineering & Science, Chemical Engineering, Nagoya University
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- Kanamori Michito
- Department of Energy Engineering & Science, Chemical Engineering, Nagoya University
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- Matsuda Hitoki
- Department of Energy Engineering & Science, Chemical Engineering, Nagoya University
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- Hasatani Masanobu
- Department of Energy Engineering & Science, Chemical Engineering, Nagoya University
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Storing and temperature upgrading of heat energy at 773 K by means of a CaO-CO2 reaction seems very attractive. One way of storing the reaction product CO2 gas is in the form of an other carbonate by letting it react with a metal oxide, such as MgO or ZnO. Two metal oxides, MgO and (CaMg)O2 were selected for CO2 storage, with the CaO-CO2 energy storage system as CaO-CO2-MgO and CaO-CO2-CaMgO2 systems, and studies on CaO-CO2, MgO-CO2 and CaMgO2-CO2 reactions over the temperature range 773–1073 K were carried out. As the CaO-CO2 system is used not only for storing the heat energy but is also expected to perform as a heat transformer, verification of the temperature upgrading ability is made by means of a lab-scale adiabatic reactor. Pseudo-steady state temperature and pressure existed during the experiments, which correspond quite well with Haul’s equilibrium dissociation values of CaCO3, illustrating that upgraded temperatures of above 1273 K can be achieved by adjusting the carbonating CO2 gas pressure to around 500 kPa.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 29 (1), 112-118, 1996
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679542495872
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- NII論文ID
- 10003813531
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DyaK28XhsVWkt7w%3D
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- ISSN
- 18811299
- 00219592
- http://id.crossref.org/issn/00219592
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可