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Sorption of CH3131I from the Gas Phase on Modified Metal-Substituted Zeolites Containing Copper and Silver Ions

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Abstract

Sorption of CH3 131I from vapor-gas flow with acetylene-modified Cu+- or Ag+-containing zeolites in argon atmosphere was studied. The decontamination factor of the gas flow from radioiodine with the sorbent containing 7% of Ag+ is considerably higher than that of the Cu+-containing zeolite and reaches more than 104 at the bed height of 6.5 cm and contact time of 3.4 s. The sorbent capacity is more than 9 mg of CH3I per 1 g of the sorbent. In treatment of the sorbent with water after absorption of CH3I, 131I is not noticeably desorbed to aqueous phase.

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  1. Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia

    N. B. Mikheev, A. N. Kamenskaya, S. A. Kulyukhin, I. A. Rumer & V. L. Novichenko

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  1. N. B. Mikheev
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  2. A. N. Kamenskaya
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  3. S. A. Kulyukhin
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  4. I. A. Rumer
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  5. V. L. Novichenko
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Mikheev, N.B., Kamenskaya, A.N., Kulyukhin, S.A. et al. Sorption of CH3131I from the Gas Phase on Modified Metal-Substituted Zeolites Containing Copper and Silver Ions. Radiochemistry 43, 293–296 (2001). https://doi.org/10.1023/A:1012868726987

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