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Research Article

Moisture Determination in CO2 Gas Cylinders for Application in Annulus Gas Monitoring Systems of Pressurized Heavy Water Reactors (PHWRs)

Author(s): Naina Raje* and Siddhartha Kolay

Volume 2, 2024

Published on: 13 December, 2023

Article ID: e2210299X254766 Pages: 7

DOI: 10.2174/012210299X254766231115104920

open_access

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Abstract

Background: Critical monitoring of moisture content in annulus gas is required due to its detrimental effect on the pressure tube, leading to surface corrosion and finally the rupture of the pressure tube.

Methods and Results: The present work describes a simple and reliable thermo-analytical method for the quantitative determination of moisture in CO2 gas cylinders, using anhydrous barium chloride as the novel adsorbent material and simultaneous. Thermogravimetry - Differential Thermal Analysis - Evolved Gas Analysis (Fourier Transformed InfraRed Spectroscopy) [TG-DTA-EGA(FTIR)] as determination techniques.

Conclusion: Differential Scanning Calorimetry (DSC) coupled with Microscopy has been used to see the surface morphological variations during the heat treatment. The results of these studies are being discussed here.

Keywords: Moisture determination, annulus gas, Annulus gas monitoring system, Anhydrous barium chloride, Thermogravimetry analysis, FTIR, Evolved gas analysis, PHWRsPressurized Heavy Water Reactors.

[1]
Greening, F.R. Trace Organic Compounds in CO2 Annulus Gas Systems. Ontario Hydro OHRD Report,, 92-187-P, August 1992.
[2]
Greening, F. R. The Effect of Nitrogen Impurities on CO2 Annulus Gas Chemistry. CANDU Owners Group Report No,, COG-95-42, April, 1995.
[3]
Greening, F. R. The characterization of samples associated with the moisture injection testing of bruce NGS Unit 4. Ontario Hydro Technologies File 833.74(T),, February 1993.
[4]
Greening, F.R. Water Absorption in the Pickering Unit 3 Annulus Gas System Ontario Hydro OHRD Report No 92-2-K. April. 1992. Available from: https://www.osti.gov/etdeweb/biblio/6630383
[5]
CO2 Gas Specifications. Available from: https://npcil.etenders.in/tender_document/tender_47953/ tender_doc /15066
[6]
Funke, H. H.; Grissom, B. L. Techniques for the measurement of trace moisture in high-purity electronic specialty gases. Review of Scientific Instruments, 2003, 74/9, 3909-3933.
[http://dx.doi.org/10.1063/1.1597939]
[7]
Hasagawa, S. Performance characteristics of a thin film aluminium oxide humidity sensor. Proceedings of the 30th Electronic Components Conference, San Francisco, CA, New York, pp.386-391, 1980.
[8]
Raje, N.; Manna, S.; Ghonge, D.K.; Roy, S.B.; Reddy, A.V.R. Impurity characterization and thermal decomposition mechanism of ammonium diuranate during in-situ synthesis of U3O8 using simultaneous TG–DTA–FTIR and PXRD measurements. J. Anal. Appl. Pyrolysis, 2014, 109, 21-28.
[http://dx.doi.org/10.1016/j.jaap.2014.07.017]
[9]
Skoog, D.A.; Holler, F.J.; Nieman, T.A. Eds.; Principles of Instrumental Analysis, 5th; Harcourt College Publishing: USA, 1998, pp. 388-389.
[10]
Stallard, B.R.; Espinoza, L.H.; Rowe, R.K.; Garcia, M.J.; Niemczyk, T.M. Trace water vapor detection in nitrogen and corrosive gases by FTIR spectroscopy. J. Electrochem. Soc., 1995, 142(8), 2777-2782.
[http://dx.doi.org/10.1149/1.2050091]
[11]
Miyazaki, K.; Kimura, T. Analysis of trace impurities in corrosive gases by gas-phase FTIR. Bull. Chem. Soc. Jpn., 1993, 66(11), 3508-3510.
[http://dx.doi.org/10.1246/bcsj.66.3508]

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