Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/44307
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Type: Journal article
Title: Influence of solution chemistry and surface condition on the critical inhibitor concentration for solutions typical of hot potassium carbonate CO2 removal plant
Author: Harjac, S.
Atrens, A.
Moss, C.
Linton, V.
Citation: Journal of Materials Science, 2007; 42(18):7762-7771
Publisher: Kluwer Academic Publ
Issue Date: 2007
ISSN: 0022-2461
1573-4803
Statement of
Responsibility: 
S. J. Harjac, A. Atrens, C. J. Moss and V. Linton
Abstract: This research studied the influence of steel surface condition and solution chemistry on the critical inhibitor concentration required for spontaneous passivation of carbon steel in solutions typical of hot potassium carbonate plant (HPC). The inhibitor was added to the solution as V2O 5. The critical inhibitor concentration depended on solution composition and on the steel surface condition. An inhibitor concentration of 30 g/l may be required to ensure spontaneous passivation under all conditions. The spontaneous passivation of clean polished carbon steel surfaces required a critical inhibitor concentration of 0.5-1.8 g/l. A minimum level of V 5+ is required for inhibition, so that monitoring the V5+ concentration may be crucial to successfully managing corrosion protection in plant. © 2007 Springer Science+Business Media, LLC.
DOI: 10.1007/s10853-007-1613-y
Published version: http://www.springerlink.com/content/435616716n7g8rt8/
Appears in Collections:Aurora harvest
Mechanical Engineering publications

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