Characterizations of high-activity solid deposit samples from fission products tanks

Autor:	Pierre Sarrat, Eric Cantrel, Fabrice Bouchet, Cédric Rivier, Steve Jan, Bénédicte Arab-Chapelet
Rok vydání:	2019
Předmět:	Fission products Waste management Environmental remediation Health Toxicology and Mutagenesis Extraction (chemistry) Public Health Environmental and Occupational Health chemistry.chemical_element Radioactive waste Human decontamination Pollution Analytical Chemistry Nuclear Energy and Engineering chemistry Caesium Environmental science Radiology Nuclear Medicine and imaging Dose rate Dissolution Spectroscopy
Zdroj:	Journal of Radioanalytical and Nuclear Chemistry. 322:1675-1682
ISSN:	1588-2780 0236-5731
DOI:	10.1007/s10967-019-06889-9
Popis:	For dismantling the UP1 reprocessing plant in Marcoule, deposits coming from fission products tanks and evaporators have been characterized in the Atalante facility laboratories and hot cells. Very specific analytical developments have been performed, such as selective Cs decontamination by extraction chromatography and direct analysis of solid residues by L-line XRF. The dissolution process optimizations have resulted in final dissolution residues which dose rate do not exceed 0.1% of the initial aliquot dose rate. These characterizations help determining the composition of the raffinates present in such reprocessing equipment. These data are essential for the definition of remediation scenarios and waste management.
Databáze:	OpenAIRE
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