Abstract
Sorption of CH3131I 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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