Ceramic mineral waste-forms for nuclear waste immobilization

AI Orlova, MI Ojovan - Materials, 2019 - mdpi.com
Crystalline ceramics are intensively investigated as effective materials in various nuclear
energy applications, such as inert matrix and accident tolerant fuels and nuclear waste …

Crystalline phosphates for HLW immobilization-composition, structure, properties and production of ceramics. Spark Plasma Sintering as a promising sintering …

AI Orlova - Journal of Nuclear Materials, 2022 - Elsevier
Available publications on crystalline materials used to immobilize HLW and actinides have
been analyzed. Select compounds and solid solutions covered in this paper are phosphates …

Vitreous and crystalline phosphate high level waste matrices: Present status and future challenges

A Bohre, K Avasthi, VI Pet'kov - Journal of Industrial and Engineering …, 2017 - Elsevier
Vitrification is currently the most effective process for immobilization of nuclear waste.
However, ubiquitous borosilicate glass is not suitable for immobilization of nuclear waste …

Synthesis of Mineral-Like SrWO4 Ceramics with the Scheelite Structure and a Radioisotope Product Based on It

EK Papynov, OO Shichalin, AA Belov… - Russian Journal of …, 2021 - Springer
An efficient method was presented to perform the hydrothermal synthesis of a
nanocrystalline SrWO 4 powder with the scheelite structure and the spark plasma sintering …

Systematic investigation of the strontium zirconium phosphate ceramic form for nuclear waste immobilization

V Pet'kov, E Asabina, V Loshkarev… - Journal of Nuclear …, 2016 - Elsevier
We have summarized our data and literature ones on the thermophysical properties and
hydrolytic stability of Sr 0.5 Zr 2 (PO 4) 3 compound as a host NaZr 2 (PO 4) 3-type (NZP) …

Spark Plasma Sintering of fine-grained SrWO4 and NaNd (WO4) 2 tungstates ceramics with the scheelite structure for nuclear waste immobilization

EA Potanina, AI Orlova, DA Mikhailov… - Journal of Alloys and …, 2019 - Elsevier
Abstract Spark Plasma Sintering has been used to obtain first ever fine-grained SrWO 4 and
NaNd (WO 4) 2 ceramics with the scheelite structure and high density (95.8–99%) that are …

Mechanical strength enhancement of CaZr4P6O24 ceramics with multi-walled carbon nanotubes additions

H Gao, X Tang, H Zhang, Y He, T Zhou, J Shen… - Journal of Alloys and …, 2024 - Elsevier
Multi-walled carbon nanotubes/calcium zirconium phosphate composite (MWCNTs/CZP)
ceramics were successfully synthesized by co-precipitation to improve the mechanical …

Sodium zirconium phosphate‐based glass‐ceramics as potential wasteforms for the immobilization of nuclear wastes

N Scales, P Dayal, RD Aughterson… - Journal of the …, 2022 - Wiley Online Library
A comprehensive study on the development of sodium zirconium phosphate (NZP)‐based
glass‐ceramic composites as potential wasteforms for the immobilization of nuclear wastes …

Characterization of Nax (Ca/Sr) 1-2xNdxWO4 complex tungstates fine-grained ceramics obtained by Spark Plasma Sintering

EA Potanina, AI Orlova, AV Nokhrin, MS Boldin… - Ceramics …, 2018 - Elsevier
Mineral-like matrix Na x (Ca/Sr) 1-2x Nd x WO 4 (x= 0, 0.1 and 0.2) for radwaste is proposed.
Powder samples of complex tungstates have been synthesized by coprecipitation from …

Sr/Ce co-immobilization evaluation and high chemical stability of novel Sr0.5Zr2(PO4)3–CePO4 composite ceramics for nuclear waste forms

J Wang, L Zhan, J Wang, J Wen, L Fan… - Journal of the Australian …, 2022 - Springer
Sodium zirconium phosphate (labeled as NZP)-monazite-type (1-x) Sr0. 5Zr2 (PO4) 3–x
CePO4 (x= 0–1.0) composite ceramics, which were designed to simultaneously immobilize …