ＰＳＡと分離膜の組合せによる常温ヘリウム精製システム

DOI

書誌事項

タイトル別名
  • Helium purification system with PSA and membrane.

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説明

A new purification system, operated at ambient temperature, has been developed. It purifies He to 99.999% and the recovery ratio of He is 99%. This system consists of PSA (Pressure Swing Adsorption), membrane, freon refrigerator, and compressor. The PSA purifier has adsorption tanks which contain activated carbon and synthesis zeolite. It can purify impure He gas which is contaminated with H2O, CO2, O2, Ar, and N2 to 99.999% He. The purge gas from PSA is circulated and recompressed to recover He, because the recovery ratio of He in PSA is only 75%. The membrane purifier consists of a module which contains many hollow fibers of cellulose acetate. This system can separate impure components (CO2, O2, Ar, N2) from He gas, which are condensed in the membrane, and exhausted. H2O is condensed in the freon refrigerator and exhausted. Then it is adsorbed by PSA to a concentration where the dew point is below -70°C. Because impure components are fully condensed in the membrane and the freon refrigerator, the recovery ratio of He in this system is therefore above 99%.

収録刊行物

  • 低温工学

    低温工学 24 (2), 93-97, 1989

    公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)

詳細情報 詳細情報について

  • CRID
    1390001204613764864
  • NII論文ID
    130003449291
  • DOI
    10.2221/jcsj.24.93
  • ISSN
    18800408
    03892441
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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