水和熱測定によるアロフェン・イモゴライトの吸水速度  低温排熱利用熱交換材及び速乾性乾燥剤としての利用

書誌事項

タイトル別名
  • Hydration Rate of Allophane and Imogolite by Hydration Heat Measurement. Using as Heat Exchange Absorbents for Lower Temperature Heat Source and Speedy Drying Desiccant.
  • スイワ ネツ ソクテイ ニ ヨル アロフェン イモゴライト ノ キュウスイ ソクド ニ ツイテ テイオン ハイネツ リヨウ ネツコウカンザイ オヨビ ソッカンセイ カンソウザイ ト シテ ノ リヨウ
  • Using as Heat Exchange Absorbents for Lower Temperature Heat Source and Speedy Drying Desiccant
  • 低温排熱利用熱交換材及び速乾性乾燥剤としての利用

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抄録

The hydration rate of allophane and imogolite has been estimated by means of an adiabatic vapor absorption calorimeter. The hydration amount of allophane and imogolite were 16.6 and 19.4%, respectively, at dehydrated temperature of 100°C. The maximum hydration rate of allophane and imogolite were 0.063mmol/ g·s and 0.087mmol/g·s, respectively, at same dehydration temperature. When allophane and imogolite were dehydrated at temperatures below 100°C, the hydration rate of allophane was larger than that of Mg-A type zeolite, and the hydration amount of allophane was larger than that of B type silica gel. Both hydration rate and hydration amount of imogolite were larger than those of Mg-A type zeolite and B type silica gel. Therefore, allophane and imogolite are suitable for heat exchange absorbents of the heat pump and speedy drying desiccant.

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