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- Title
A novel partitioning process for treatment of high level liquid waste using macroporous silica-based adsorbents.
- Authors
Kim, S.-Y.; Xu, Y.; Ito, T.; Wu, Y.; Tada, T.; Hitomi, K.; Kuraoka, E.; Ishii, K.
- Abstract
To separate the long-life and significant fission product elements from high level liquid waste (HLLW), a novel partitioning process for the treatment of HLLW has been studied experimentally based on column separation technique using macroporous silica-based adsorbents. This process consists of (1) Cs and Rb are removed by the first separation column packed with (calix[4] + dodecanol)/SiO-P adsorbent; (2) Sr and Ba are eluted out by the second separation column packed with (DtBuCH18C6 + dodecanol)/SiO-P adsorbent; (3) Pd is partitioned by the third separation column packed with MOTDGA-TOA/SiO-P adsorbent; (4) Ru, Rh and Mo can be separated by the fourth separation column packed with TODGA/SiO-P adsorbent; (5) Am is separated from RE by the fifth column is packed with isobutyl-BTP/SiO-P adsorbent. The experimental results indicated that this partitioning process is essentially feasible.
- Subjects
LIQUID waste; POROUS materials; SILICA; PHASE partition; SORBENTS; SEPARATION (Technology); EXPERIMENTAL design
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2013, Vol 295, Issue 2, p1043
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-012-1878-8