A simple model predicting iodine profile in a packed bed of silica-gel impregnated with silver nitrate

Journal of Nuclear Science and Technology

Volumn 39, Issue 3, 2002, Pages 241-247

  Mineo, Hideaki ^a   Gotoh, Minoru ^a   Iizuka, Masaru ^a   Fujisaki, Susumu ^a   Uchiyama, Gunzo ^a  

^a JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Adsorption; Diffusion coefficient; Head end process; Iodine 129; Langmuir coefficient; Mathematical model; Reprocessing; Silica gel; Silver iodates; Silver iodides; Silver nitrates

Indexed keywords

ADSORPTION; DIFFUSION; DISSOLUTION; IMPREGNATION; IODINE; MATHEMATICAL MODELS; SILICA GEL; SILVER COMPOUNDS;

LANGMUIR COEFFICIENT; RADIOACTIVE IODINE;

RADIOACTIVE MATERIALS;

EID: 0036507220     PISSN: 00223131     EISSN: None     Source Type: Journal    
DOI: 10.1080/18811248.2002.9715181     Document Type: Article

References (19)

1. D. W. Holladay, A Literature Survey: Methods for the Removal of Iodine Species from Off-Gases and Liquid Waste Streams ofNuclear Power and Nuclear Fuel Reprocessing Plants, with Emphasis on Solid Sorbents, ORNL/TM-6350, (1979).
2. S. Hattori, Y. Kobayashi, Y. Ozawa, M. Kunikata, “Removal of iodine from off-gas of nuclear fuel reprocessing plants with silver impregnated adsorbents,” Proc. 18th DOE Nuclear Airborne Waste Management and Air Cleaning Conf., Baltimore, Maryland, USA, Aug. 13-16, 1984, 1343 (1984).
3. J. G. Wilhelm, J. Furrer, E. Schultes, “Head-end iodine removal from a reprocessing plant with a solid sorbent,” CONF-760822, Proc. 14th ERDA Air Cleaning Conf., Sun Valley, Idaho, USA, Aug. 2-4, 1976,447(1976).
4. F. J. Herrmann, B. Herrmann, V. Hoeflich, Ch. Beyer, “Removal efficiency of silver impregnated filter materials and performance of iodine filters in the off-gases of Karlsruhe Reprocessing Plant WAK,” NUREG/CP-0153, CONF-960715, Proc. 24th DOE/NRC Nuclear Air Cleaning and Treatment Conf., Portland, Oregon, USA, July 15-18, 1996, 609 (1996).
5. J. G. Wilhelm, H. Schuttelkopf, “An inorganic adsorber material for off-gas cleaning in fuel reprocessing,” CONF-720823, Proc. 12th AEC Air Cleaning Conf., Oak Ridge, Tennessee, USA, Aug. 28-31, 1972, 540 (1972).
6. J. Furrer, R. Kaempffer, J. G. Wilhelm, “Iodine removal at reprocessing plants by means of AC-6120 sorption material and determination of its leaching resistance to brine,” Management Modes for Iodine-129 (W. Hebel, G. Cottone eds.), Radioactive Waste Management, A Series of Monographs and Tracts, Volume 7, Harwood Academic Publ., 277 (1982).
7. K. Takeshita, Y. Nakano, “Prediction of a breakthrough curve of iodine on a reduced silver-loaded adsorbent bed,” Nucl. Technol., 133[3], 338 (2001).
8. Y. Kondo, Y. Sugimoto, Y. Hirose, T. Fukasawa, J. Furrer, F. J. Herrmann, W. Knoch, “Removal of iodine-129 from dissolver off-gas of reprocessing plant by silver impregnated adsorbents,” CONF-9020823, NUREG/CP-0130, Proc. 22nd DOE/NRC Air Cleaning and Treatment Conf., Denver, Colorado, USA, Aug. 24-27, 1992, 118 (1992).
9. J. Furrer, J. G. Wilhelm, K. Jannakos, “Aerosol and iodine removal system for the dissolver off-gas in a large fuel reprocessing plant,” CONF-780819, UC-70, Proc. 15th DOE/NRC Nuclear Air Cleaning and Treatment Conf., Boston, Massachusetts, USA, Aug. 7-10, 1978,494 (1978).
10. T. Sakurai, A. Takahashi, N. Ishikawa, Y. Komaki, M. Ohnuki, T. Adachi, “The iodine species and their behavior in the dissolution of spent fuel specimens,” Nucl. Technol., 99, 70 (1992).
11. K. C. Patil, C. N. R. Rao, J. W. Lacksonen, C. E. Dryden, “The silver nitrate-iodine reaction: Iodine nitrate as the reaction intermediate,” J. Inorg. Nucl. Chem., 29, 407 (1967).
12. S. H. Chang, W. J. Cho, “Experimental and analytical study on the time-dependent removal efficiency of methyl iodide by an impregnated charcoal bed,” Nucl. Technol., 68, 242 (1985).
13. J. J. Carberry, “A boundary-layer model of fluid-particle mass transfer in fixed beds,” AIChEJ., 6[3], 460 (1960).
14. T. Sakurai, A. Takahashi, M.-L. Ye, T. Kihara, S. Fujine, “Trapping and measuring radioiodine (iodine-129) in cartridge filters,” J Nucl. Sci. Technol., 34[2], 211 (1997).
15. R. D. Scheele, L. L. Burger, C. L. Matsuzaki, Methyl Iodide Sorption by Reduced Silver Mordenite, PNL-4489, UC-70, (1983).
16. K. Hashimoto, Han-nou-kogaku, Baihu-kan, (1991), [in Japanese].
17. F. J. Herrmann, B. Herrmann, K. D. Kuhn, A. van Schoor, M. Weishaupt, J. Furrer, W. Knoch, “Control of radio-iodine at the German Reprocessing Plant WAK during operation and after shutdown,” NUREG/CP-0153, CONF-960715, Proc. 24th DOE/NRC Nuclear Air Cleaning and Treatment Conf., Portland, Oregon, USA, July 15-18, 1996, 618 (1996).
18. J. Tang, M.-L. Ye, Y. Wao, S. Lu, Z. Tang, Z. Guo, “Investigation of adsorption properties of the silver nitrate impregnated silica gels for radioiodine,” Chinese J. Nucl. Sci. Eng., 7[2], 144 (1987), [in Chinese].
19. K. Takeshita, A. Kawai, J. Koga, S. Matsumoto, M. Kumagai, Y. Takashima, “Research development of hydrophobic adsorbent for iodine removal (II)—Rate-controlling factor of iodine adsorption process,” Preprints Fall Mtg., At. Energy Soc. Jpn., Kobe, Oct. 9-10, 1988, K1, (1988), [in Japanese].