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Thermal stability of UNEX/HCCD-PEG diluent FS-13

Authors
  • Sinha, Pranay Kumar1
  • Kumar, Shekhar1
  • Kamachi Mudali, U.1
  • Natarajan, R.1
  • 1 Indira Gandhi Centre for Atomic Research, Reprocessing Group, Kalpakkam, 603102, India , Kalpakkam (India)
Type
Published Article
Journal
Journal of Radioanalytical and Nuclear Chemistry
Publisher
Springer Netherlands
Publication Date
May 31, 2011
Volume
289
Issue
3
Pages
899–901
Identifiers
DOI: 10.1007/s10967-011-1179-7
Source
Springer Nature
Keywords
License
Yellow

Abstract

Phenyl trifluoromethyl sulfone (FS-13) is an inert diluent used in HCCD/PEG process for isolation and recovery of cesium and strontium from highly radioactive raffinate waste. There is no experimental data available in open literature describing pressurization due to the thermal decomposition of FS-13 at elevated temperatures. Experiments were conducted for determination of flash point and heating of FS-13 under pressurized closed-vent conditions in an adiabatic calorimeter. During adiabatic experiments, negligible pressurization was observed.

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