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Leak detection in a high-pressure heat exchanger system in a refinery using radiotracer technique

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Abstract

A radiotracer investigation was carried out in a diesel hydrotreater (DHDT) unit in a refinery for leak detection in a breech-lock heat exchanger system. The main objectives of the study were to identify the leaking heat exchanger in a system with six heat exchangers and estimate the leak rate. Bromine-82 as dibromobiphenyl was selected and used as radiotracer for the investigation. The radiotracer was instantaneously injected into the suction end of the feed pump line to the heat exchanger of the DHDT unit. The movement of the tracer was measured at strategically selected locations using NaI(Tl) scintillation detectors. Based upon the results of the radiotracer investigation, it was found that out of six heat exchangers, exchanger E-1F was leaking.

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Authors and Affiliations

  1. Isotope Production and Applications Division, Bhabha Atomic Research Centre, Mumbai, 400085, India

    J. S. Samantray, Sunil Goswami, V. K. Sharma, Jayashree Biswal & H. J. Pant

Authors
  1. J. S. Samantray
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  2. Sunil Goswami
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  3. V. K. Sharma
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  4. Jayashree Biswal
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  5. H. J. Pant
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Correspondence to H. J. Pant.

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Samantray, J.S., Goswami, S., Sharma, V.K. et al. Leak detection in a high-pressure heat exchanger system in a refinery using radiotracer technique. J Radioanal Nucl Chem 302, 979–982 (2014). https://doi.org/10.1007/s10967-014-3369-6

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  • DOI: https://doi.org/10.1007/s10967-014-3369-6

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