Sorption of CH3131I from the Gas Phase on Modified Metal-Substituted Zeolites Containing Copper and Silver Ions |
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| Authors: | Mikheev N B Kamenskaya A N Kulyukhin S A Rumer I A Novichenko V L |
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| Affiliation: | (1) Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia |
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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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