A prospective 99mTc organic radiotracer for applications in the Oil Industry
Keywords:
radiotracer; extraction performance; gravitational separator;multiphase flowAbstract
Radiotracers are very important in the oil industry. The extraction with trioctylamine (TOA) and tributylphosphate (TBF) has been used to obtain a radiotracer in organic phase from the eluent of the 99Mo/99mTc generator. In this work we studied the influence of the phase separation method in the extraction of technetium 99 metastable pertechnetate (
). Centrifugation was necessary to obtain adequate separation. The formulation TBF-TOA-cyclohexane was optimized for the extraction of 600 MBq activity of
, perspective for industrial scale applications. Additionally, with 7.53%TBF-0.77%TOA-cyclohexane formulation, the highest extraction yield (96.86%) was achieved. A laboratory installation that simulates a continuous horizontal gravitational separator (oil-water layer), was constructed and evaluated.
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