天然ナノ物質の合成とそれらを用いたエネルギー有効利用への応用

概要

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Imogolite is nano-sized tubular aluminum silicate and exists in natural soil. It is highly expected that imogolite be applied to various industrial areas, because this material has large specific surface area due to its unique shape, high affinity with water and excellent absorption capability. But imogolite does not exist in natural soil, so we have developed a large-scale synthetic method of Imogolite. In next stage, we have developed amorphous imogolite and HAS-Clay (a new type material) to improve the generation rate and adsorption performance. HAS-Clay is the mixture of two hydro-aluminum-silicates (an amorphous-material and a low-crystalline-clay) and an excellent material adsorbing water-vapor and carbon dioxide efficiently. For application, we have found that these materials can be applied to anti-dewing agent, heat exchange medium for heat pump system, adsorbent for desiccant air-conditioning system and adsorbents for carbon dioxide capture system.
2009-01-30