Development of Elution and Recovery Methods of Cs and Sr from Zeolites

Tomoya Kitagawa

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-1 Radioactive Waste Management

[1N01-06] Treatment of Contaminated Water and Secondary Waste

Mon. Mar 26, 2018 2:45 PM - 4:20 PM Room N (M3-211 -M3 Building)

Chair: Ippei Amamoto (JAEA)

3:15 PM - 3:30 PM

[1N03] Development of Elution and Recovery Methods of Cs and Sr from Zeolites

(2)Elution Properties and Recovery of Sr

*Tomoya Kitagawa¹, Hitoshi Mimura¹, Minoru Matsukura¹, Fumio Kurosaki¹, Takaaki Kobayashi² (1. UNION SHOWA, 2. Tohoku Univ.)

Keywords:Zeolite, Sr, Distribution behavior, Elution, Chelate solution, Recovery, Reuse

We have fundamentally studied on the elution, recovery and reuse methods of radioactive nuclides adsorbed on various zeolites. It was found that Sr can be almost 100% eluted by chelate solutions, and Sr in the eluted fractions can be recovered as SrF₂ by adding NaF.