Consideration for H2O-PSA Placed in Front of System of CO2 Separation from Flue Gas.

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  • Saji Akira
    Electrotechnology Applications R & D Center, Chubu Electric Power Co., Inc.
  • Takamura Yukihiro
    Electrotechnology Applications R & D Center, Chubu Electric Power Co., Inc.
  • Noda Hidetomo
    Electrotechnology Applications R & D Center, Chubu Electric Power Co., Inc.
  • Watanabe Fujio
    Department of Energy Engineering & Science, Nagoya University
  • Matsuda Hitoki
    Department of Energy Engineering & Science, Nagoya University
  • Hasatani Masanobu
    Department of Energy Engineering & Science, Nagoya University

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  • 燃焼排ガスからのＣＯ２回収用前置除湿ＰＳＡの検討
  • ネンショウ ハイガス カラ ノ CO2 カイシュウヨウ ゼンチ ジョシツ PS

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Abstract

The performance of H2O-PSA with Zeolite 3A as adsorbent was examined for the dehumidifing of flue gas at the first stage of a CO2 separation system with CO2-PSA and cryogenic separation. Zeolite 3A displaced with K+ at the site of the hydrogen ion has shown performance higher than active alumina with respect to the decrease in loss of CO2 in flue gas through H2O-PSA as well as the dehumidification of flue gas. In addition, it has been shown that there is a possibility of operating the H2O-PSA with low power by applying the purge with off-gas from CO2-PSA.

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