Rigorous Analysis for Design and Performance of the Water/Hydrogen Isotopic Exchange Column in a Tritium Removal Facility

Kwang Rag Kim; Do Hee Ahn; Han Soo Lee; Seung Woo Park; Hongsuk Chung

Journal of Industrial and Engineering Chemistry, Vol.3, No.4, 310-317, December, 1997

Kwang Rag Kim, Do Hee Ahn, Han Soo Lee, Seung Woo Park, and Hongsuk Chung

Korea Atomic Energy Institute, 150 Duckjin-dong, Yusong-gu, Taejon 305-353, Korea

A rigorous calculation for the analysis of a water/hydrogen isotopic exchange column packed with a wet-proofed catalyst was carried out from the model equations, composed of a material balance and equilibrium relationships on the scrubbing and catalyst bed. The solutions were determined out by using a successive iteration procedure and the parametric investigations were simulated for the effect of design and operating variables on the hydrogen isotopic composition within the column. It was observed that the maximum detritiation performance was obtained at the temperature condition giving an equi-molar composition ratio of the water vapor to the given hydrogen stream in the column. The optimum operating temperature should be chosen at the larger detritiation conditions giving a reasonable processing flow rate. In addition, this model was found to be useful for checking the column performance during operations.

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[1] Ahn DH, J. Korea Nucl. Soc., 28, 415 (1996)

[2] Lister DH, CANDU Chemistry, The Foruth CANDU Technology Course, KAERI-NTC (1986)

[3] Dombra AH, Management of Tritium at Nuclear Facility, Technical Reports Series No. 234, IAEA, Vienna (1984)

[4] Galley M, Heavy Water and Tritium Management, The Third CANDU TEchnology Course, KAERI-NTC (1985)

[5] Kim YE, A Study on the Hydrogen Isotopes Separation Technologies, KAERI/RR-469/85 (1985)

[6] Chung H, Pro. of Kor. Nucl. Soc. Spring Meeting, 453 (1996)

[7] Vasaru G, Tritium Isotope Separation, p. 61, CRC Press, Baca Raton (1993)

[8] Thatcher DRP, Instit. Chem. Symp. Series 87, 159 (1985)

[9] Rolston JH, Canadian Patent, 941 134 (1974)

[10] Morishita T, Pro. of Tritium Technology in Fission, Fusion and Isotope Applications - American Nuclear Society Topical Meeting, Dayton, Ohio, 415 (1980)

[11] Kinoshita M, Naruse Y, Nucl. Tech., 3, 112 (1983)

[12] Butler JP, Sep. Sci. Technol., 15, 371 (1980)

[13] Shimizu M, J. Nucl. Sci. Technol., 17, 448 (1980)

[14] Isomura S, Kaetsu H, Nakane R, J. Nucl. Sci. Technol., 17, 308 (1980)

[15] VanHook WR, J. Phys. Chem., 72, 1234 (1986)