An efficient capture of cesium from cesium iodide (CsI) off-gas by aluminosilicate sorbents in the presence of oxygen

Jae Hwan Yang; Joo Young Yoon; Seok-Min Hong; Ju Ho Lee; Yung-Zun Cho

Journal of Industrial and Engineering Chemistry, Vol.77, 146-153, September, 2019

DOI10.1016/j.jiec.2019.04.029 Export Citation

An efficient capture of cesium from cesium iodide (CsI) off-gas by aluminosilicate sorbents in the presence of oxygen

Jae Hwan Yang^†, Joo Young Yoon, Seok-Min Hong, Ju Ho Lee, and Yung-Zun Cho

Pyroprocessing Technology Division, Korea Atomic Energy Research Institute, 111, Daedeok-daero, 989beon-gil, Yuseong-gu, Daejeon 34057, Republic of Korea

E-mail:

This study is the first to report the chemical adsorption of Cs from CsI by using aluminosilicate filters developed in our laboratory. To examine the influence of oxygen on the Cs-trapping efficiency, CsI was volatilized and carried by mixed gases composed of 4% H2/Ar base gas and different concentrations of oxygen. Cesium capture was dramatically improved by the conversion of CsI to CsOH, which more readily formCsAlSiO4, in the presence of water vapor that forms if small amounts of oxygen are added to the 4% H2/Ar base gas.This proposed reaction mechanism was supported by thermodynamic calculations.

Keywords:Cesium iodide;Off-gas;Chemical adsorption;Aluminosilicate filter;Oxygen addition

[References]

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Song KC, Park GIL, Lee JW, Park JJ, Nucl. Technol., 162, 158 (2008)
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[1] IAEA, Spent Fuel Reprocessing Options, IAEA-TECTOC-1587, International Atomic Energy Agency, 2008.

[2] Lee H, Park GI, Kang KH, Hur JM, Kim JG, Ahn DH, Cho YZ, Kim EH, Nucl. Eng. Technol., 43, 317 (2011)

[3] Laidler JJ, Battles JE, Miller WE, Ackerman JP, Carls EL, Prog. Nucl. Energy, 31, 131 (1997)

[4] Choi EY, Kim JK, Im HS, Choi IK, Na SH, Lee JW, Jeong SM, Hur JM, J. Nucl. Mater., 437, 178 (2013)

[5] Westphal BR, Bateman KJ, Lind RP, Howden KL, Del Cul GD, Adv. Nucl. Fuel Cycles Syst. (2005).B.R. Westphal, K.J. Bateman, R.P. Lind, K.L. Howden, G.D. Del Cul, Adv. Nucl. Fuel Cycles Syst., 1 (2005).

[6] Westphal BR, Park JJ, Shin JM, Park GI, Bateman KJ, Wahlquist DL, Sep. Sci. Technol., 43(9-10), 2695 (2008)

[7] Lee JW, Lee DY, Lee YS, Yoon JY, Jeon SC, Lee JH, Hong SM, Cho YZ, J. Radioanal. Nucl. Chem., 317, 15 (2018)

[8] Lee H, Park GI, Lee JW, Kang KH, Hur JM, Kim JG, Paek S, Kim IT, Cho IJ, Sci. Technol. Nucl. Install., 2013 (2013)

[9] Song KC, Park GIL, Lee JW, Park JJ, Nucl. Technol., 162, 158 (2008)

[10] Cordfunke EHP, Konings RJM, J. Nucl. Mater., 152, 301 (1988)

[11] Beahm EC, Weber CF, Kress TS, Parker GW, Iodine Chemical Forms in LWR Severe Accidents (NUREG-CR-5732), U.S. Nucl. Regul. Comm. (NRC), 1992.

[12] Campbell DO, Malinauskas AP, Stratton WR, Nucl. Technol., 53, 111 (1981)

[13] Collins JL, Osborne MF, Lorenz RA, Behavior of Cs, I, and Te in the fission product release program at ORNL, CONF-841105-57, Oak Ridge National Laboratory, 1984.

[14] Shin JM, Park JJ, Korean J. Chem. Eng., 18(6), 1010 (2001)

[15] Shin JM, Park JJ, Song KC, Kim JH, Appl. Radiat. Isot., 67, 1534 (2009)

[16] Park JJ, Shin JM, Yang JH, Baek YH, Park GI, Nukleonika, 60, 565 (2015)

[17] Yang JH, Han A, Yoon JY, Park HS, Cho YZ, J. Hazard. Mater., 339, 73 (2017)

[18] Yang JH, Yoon JY, Lee JH, Cho YZ, Ann. Nucl. Energy, 103, 29 (2017)

[19] Gallagher SA, Mccarthy GJ, Mat. Res. Bull., 17, 89 (1982)

[20] Komarneni S, Roy R, Nucl. Chem. Waste Manage., 2, 259 (1981)

[21] Lorenz RA, Osborne MF, Collins JL, Manning SR, Malinauskas AP, Behavior of iodine, methyl iodide, cesium oxide, and cesium iodide in steam and argon, ORNL/NUREG/TM-25, Oak Ridge National Laboratory, 1976.

[22] Gouello M, Hokkinen J, Karkela T, Auvinen A, Nucl. Technol., 203, 85 (2018)

[23] Roine A, Outokumpu HSC Chemistry for Windows Pori, Finland, (2002).

[24] Collins JL, Osborne MF, Lorenz RA, Malinauskas AP, Nucl. Technol., 81, 78 (1988)

[25] Haefner DR, Tranter TJ, Methods of gas phase capture of iodine from fuel reprocessing off-gas : a literature survey, INL/EXT-07-12299, Idaho National Laboratory, 2007.

[26] Riley BJ, Vienna KD, Strachan DM, McCloy JS, Jerden JL, J. Nucl. Mater., 470, 307 (2016)

[27] Jubin RT, A literature survey of methods to remove iodine from off-gas streams using solid sorbents, ORNL/TM -6607, Oak Ridge National Laboratory, 1979.

[28] Holladay DW, A literature survey, with emphasis on solid sorbents, ORNL/TM-6350, Oak Ridge National Laboratory, 1979.

[29] Nenoff TM, Rodriguez M, Soelberg NR, Chapman KW, Microporous Mesoporous Mater., 200, 297 (2014)

[30] Komarneni S, White WB, Mater. Res. Soc. Symp. Proc., 387 (1981).

[31] Bosch P, Caputo D, Liguori B, Colella C, J. Nucl. Mater., 324, 183 (2004)

[32] Mimura H, Shibata M, Akiba K, J. Nucl. Sci. Technol., 27, 835 (1990)

[33] Yanagisawa K, Nishioka M, Yamasaki N, J. Nucl. Sci. Technol., 24, 51 (1987)

[34] Chapman KW, Chupas PJ, Nenoff TM, J. Am. Chem. Soc., 132(26), 8897 (2010)