Characterization of (Th,U)O2 pellets made by advanced CAP process

Developments in reprocessing of spent nuclear fuels for the thorium fuel cycle

“…The additive is added to the thorium powder at slightly elevated temperature and the mixture is then molded in an extruder and shaped into spheres in a "spheroidiser" (Kutty et al, 2009). A coated agglomerate pelletization process is being developed by Bhabha Atomic Research Centre (BARC) for the fabrication of ThO 2 -UO 2 mixed oxide fuel pellets.…”

Evaluation of compositional micro-homogeneity in MOX fuels using lab based μ-XRF spectrometry

“…1, where the physical mixing of UO 2 and ThO 2 is not at the micron level as in PM and SGMP. 10,33 In case of (U, Pu)O 2 fuel pellets of fast reactors, the pellets having agglomerate size beyond 100 mm are not suitable for the reactor application and have to be rejected. 6 .…”

“…1. [9][10][11][12] The degree of microhomogeneity in the fabricated pellets depends on many factors such as mixing and blending process of the powders, sintering temperature, etc. In Pu bearing fuels, alpha autoradiography or gamma autoradiography is used for monitoring the inhomogeneous distribution of Pu in MOX fuel pellets.…”

ThO<sub>2</sub> and (U,Th)O<sub>2</sub> processing—A review

“…Coated Agglomerate Pelletization (CAP) [51][52][53] and Powder oxide Pelletization (POP) and co precipitation route have been developed at BARC, Mumbai [54].…”