Evaluation of Adsorption Characteristics of Freon refrigerant and High performance Activated carbon Pair

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  • SEO Sang won
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • MAESHIRO Yuta
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • MIKSIK Frantisek
    Institute of Innovation for Future Society, Nagoya University
  • THU Kyaw
    Faculty of Engineering Sciences, Kyushu University International Institute for Carbon-Neutral Energy Research, Kyushu University
  • MIYAZAKI Takahiko
    Faculty of Engineering Sciences, Kyushu University International Institute for Carbon-Neutral Energy Research, Kyushu University

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  • 機能性活性炭によるフロン類の吸着特性評価
  • キノウセイ カッセイタン ニ ヨル フロンルイ ノ キュウチャク トクセイ ヒョウカ

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Abstract

<p>The powder type activated carbon MSC-30 was adopted to analyze the adsorption characteristics of the working pairs utilizing a low Global Warming Potential(GWP) freon refrigerant in this study. The MSC-30 has a larger specific surface area than silica gel which has been widely used as an adsorbent since it is expected to be able to obtain a larger adsorption amount. The low GWP freon refrigerant R 1233zd (E) was selected as an adsorbent in this study, and it is compared with R 1234yf which is the same GWP refrigerant. It was observed that R 1233zd(E) showed a higher adsorbed quantity and a faster adsorption speed than R 1234yf. The isosteric heat of adsorption was predicted taking into account the volume change in the adsorbed phase, it was observed to be approximately the same for both working pairs. These kinds of fundamental information on adsorption working pairs can be considered useful information to utilize activated carbon for the collection, separation, and regeneration of freon refrigerant.</p>

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