A procedure for removing uranium, thorium, and potassium-40 microimpurities from a liquid organic scintillator based on linear alkylbenzene

I. R. Barabanov; L. B. Bezrukov; A. V. Veresnikova; V. I. Gurentsov; V. P. Morgalyuk; G. Ya. Novikova; E. A. Yanovich

doi:10.1134/S1066362216010082

A procedure for removing uranium, thorium, and potassium-40 microimpurities from a liquid organic scintillator based on linear alkylbenzene

Autores: Barabanov I.R.¹, Bezrukov L.B.¹, Veresnikova A.V.¹, Gurentsov V.I.¹, Morgalyuk V.P.², Novikova G.Y.¹, Yanovich E.A.¹
Afiliações:
1. Institute for Nuclear Research
2. Nesmeyanov Institute of Organoelement Compounds
Edição: Volume 58, Nº 1 (2016)
Páginas: 52-58
Seção: Article
URL: https://journals.rcsi.science/1066-3622/article/view/223332
DOI: https://doi.org/10.1134/S1066362216010082
ID: 223332

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A procedure was developed for removing uranium, thorium, and potassium from a liquid organic scintillator based on linear alkylbenzene (LAB) by stripping with water. The volume ratio of the scintillator and water in the process should be no less than 1: 5. The attenuation length (L₄₂₀) of LAB after treatment with water does not change and is as high as 13.0 ± 1.8 m. The solubility of water in LAB and of LAB in water was determined to be 46 and 5.1 ppm, respectively.