high level liquid waste;
minor actinide;
lanthanide;
partitioning;
extraction chromatography;
silica-based CMPO extraction resin;
DTPA;
oxalic acid;
D O I:
10.3327/jnst.41.315
中图分类号:
TL [原子能技术];
O571 [原子核物理学];
学科分类号:
0827 ;
082701 ;
摘要:
A new partitioning technology named "MAREC" process has been proposed for the separation of minor actinides (MA=Am, Cm) from high level liquid waste (HLLW) by extraction chromatography using a novel porous silica-based CMPO extraction resin. Separation experiments for simulated HLLW solutions containing typical fission product (FP) elements were carried out by a column packed with the CMPO/SiO2-P extraction resin. The experimental results showed that MA as a mixture with some heavy rare earths can be effectively separated from other FP elements by using two chromatographic columns. Furthermore, sonic specific FP elements such as Pd, Zr and Mo were also efficiently separated from the simulated HLLW. The separation behavior of the elements are considered to result from the difference of their adsorption and elution selectivity based on the complex formation with CMPO and the eluents such as DTPA and H2C2O4. These results revealed that the proposed MAREC process for HLLW partitioning is essentially feasible.
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Antony, M. P.
Kumaresan, R.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Kumaresan, R.
Suneesh, A. S.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Suneesh, A. S.
Rajeswari, S.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Rajeswari, S.
Robertselvan, B.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Robertselvan, B.
Sukumaran, V.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Sukumaran, V.
Manivannan, R.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Manivannan, R.
Syamala, K. V.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Syamala, K. V.
Venkatesan, K. A.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Venkatesan, K. A.
Srinivasan, T. G.
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India
Srinivasan, T. G.
Rao, P. R. Vasudeva
论文数: 0引用数: 0
h-index: 0
机构:
Indira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, IndiaIndira Gandhi Ctr Atom Res, Div Fuel Chem, Kalpakkam 603102, Tamil Nadu, India