Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD

Dinu, Alice; Tunaru, Mariana

Alice Dinu, Mariana Tunaru

Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD

Abstract:

To verify the chemistry of secondary side of CANDU steam generators, Millipore filters are used to sampling from condensing extraction pump, feed water header and blow down of steam generator. These filters retain the corrosion products as very fine particles and are used as samples in chemistry water control. X-Ray diffraction (XRD) is the most used technique that can provide information about the phase composition of analyzed samples. Because the crud layers on the Millipore filters are very thin, to identify the corrosion products Grazing Incidence X-Ray diffraction (GIXRD) technique was used. The following compounds have identified: magnetite (Fe3O4), hematite (Fe2O3), and iron oxide hydroxide (FeOOH). It was observed a brown-reddish background specific to hematite and iron oxide hydroxide, especially for filters extracted from condensing extraction pump. The black colour of crud present on filters extracted from feed water header and blow down of steam generator shows the presence of magnetite.

Keywords:
Millipore filters; GIXRD; iron oxides

Issue: 2020, Volume 71, Issue 2

Pages: 99-104

Publication date: 2020/3/3

https://doi.org/10.37358/RC.20.2.7899

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This article is published under the Creative Commons Attribution 4.0 International License

Citation Styles

Cite this article as:
DINU, A., TUNARU, M., Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD, Rev. Chim., 71(2), 2020, 99-104.

Vancouver
Dinu A, Tunaru M. Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD. Rev. Chim.[internet]. 2020 Feb;71(2):99-104. Available from: https://doi.org/10.37358/RC.20.2.7899

APA 6th edition
Dinu, A., Tunaru, M. (2020). Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD. Revista de Chimie, 71(2), 99-104. https://doi.org/10.37358/RC.20.2.7899

Harvard
Dinu, A., Tunaru, M. (2020). 'Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD', Revista de Chimie, 71(2), pp. 99-104. https://doi.org/10.37358/RC.20.2.7899

IEEE
A. Dinu, M. Tunaru, "Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD". Revista de Chimie, vol. 71, no. 2, pp. 99-104, 2020. [online]. https://doi.org/10.37358/RC.20.2.7899

Text
Alice Dinu, Mariana Tunaru,
Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD,
Revista de Chimie,
Volume 71, Issue 2,
2020,
Pages 99-104,
ISSN 2668-8212,
https://doi.org/10.37358/RC.20.2.7899.
(https://revistadechimie.ro/Articles.asp?ID=7899)
Keywords: Millipore filters; GIXRD; iron oxides

RIS
TY - JOUR
T1 - Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD
A1 - Dinu, Alice
A2 - Tunaru, Mariana
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2020
VL - 71
IS - 2
SP - 99
EP - 104
UR - https://doi.org/10.37358/RC.20.2.7899
KW - Millipore filters
KW - GIXRD
KW - iron oxides
ER -

BibTex
@article{RevCh2020P99,
author = {Dinu Alice and Tunaru Mariana},
title = {Analysis of Corrosion Products Transported through Secondary Side of Candu Steam Generator Using GIXRD},
journal = {Revista de Chimie},
volume = {71},
number = {2},
pages = {99-104},
year = {2020},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.20.2.7899},
url = {https://revistadechimie.ro/Articles.asp?ID=7899}
}

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