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Iwai, Yasunori; Yamanishi, Toshihiko; Hayashi, Takumi; Nishi, Masataka
Fusion Science and Technology, 48(1), p.456 - 459, 2005/07
Times Cited Count：3 Percentile：24.22(Nuclear Science & Technology)Addition of gas separation membrane process into usual tritium removal process from atmosphere in a room is attractive for fusion plants where a large amount of atmosphere should be processed. Therefore, the gas separation membrane has been studied. New concept of membrane separation with reflux flow is proposed in the present. Driving force of membrane separation is the difference of partial pressure through membrane. Hence, reflux of a part of gases at permeated side to feed side enhances driving force. Essential points of present discussion are as follows: (1) Reflux has plus effect of driving force enhancement and minus effect of feed flow increase, hence, there is the optimum. (2) Permeated-side pressure effects enhancement of tritium recovery strongly. (3) Effect of reflux becomes striking as the target species have higher permeability coefficient, therefore, it is favorable for tritium recovery because those of hydrogen gas and water vapor are much higher among atmosphere elements. In addition, application of reflux flow will realize scale reduction of expensive membrane module.
Hayashi, Takumi; Miya, Naoyuki; Kikuchi, Mitsuru; ; Ushigusa, Kenkichi; Masaki, Kei; Kaminaga, Atsushi; *; ; Nagashima, Keisuke; et al.
JAERI-Research 97-007, 150 Pages, 1997/03
JAERI-Research-97-007.pdf:4.07MB
no abstracts in English
Okuno, Kenji; Konishi, Satoshi; Yamanishi, Toshihiko; Ohira, Shigeru; Enoeda, Mikio; Nakamura, Hirofumi; Iwai, Yasunori; Hayashi, Takumi; Kawamura, Yoshinori; Kobayashi, Kazuhiro
Fusion Technology 1996, p.1277 - 1280, 1997/00
no abstracts in English
Ishida, Toshikatsu*; Hayashi, Takumi; Yamada, Masayuki; Suzuki, Takumi; Okuno, Kenji
Fusion Technology, 30(3), p.926 - 930, 1996/12
no abstracts in English
Hayashi, Takumi; Yamada, Masayuki; Suzuki, Takumi; Matsuda, Yuji; Okuno, Kenji
Fusion Technology, 28(3), p.1503 - 1508, 1995/10
no abstracts in English
Hirata, Shingo*; Kakuta, Toshiya*; Ito, H.*; Suzuki, T.*; Hayashi, Takumi; Ishida, Toshikatsu*; Matsuda, Yuji; Okuno, Kenji
Fusion Technology, 28(3), p.1521 - 1526, 1995/10
no abstracts in English
