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Hydrogen production...
Hydrogen production through aluminium corrosion in a cement-based matrix
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- Bulidon, Nicolas (author)
- RISE,Korrosion
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- Pélissier, Krystel (author)
- RISE,Korrosion
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- Boissy, Clément (author)
- M.E.C.M Rond-point de l'échangeur, France
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- Mendibide, Christophe (author)
- RISE,Korrosion
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- Maillot, Valérie (author)
- Andra, France
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- Bourbon, Xavier (author)
- Andra, France
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- Crusset, Didier (author)
- Andra, France
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(creator_code:org_t)
- John Wiley and Sons Inc, 2023
- 2023
- English.
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In: Materials and corrosion - Werkstoffe und Korrosion. - : John Wiley and Sons Inc. - 0947-5117 .- 1521-4176. ; 74:11-12, s. 1765-1776
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- In France, deep geological disposal is considered for the storage of high and intermediate-level long-lived radioactive wastes. For aluminium, the possibility to encapsulate the wastes in a cement-based matrix is studied. However, cement being an alkaline environment, aluminium can lose its passivity, starts to corrode leading to hydrogen evolution in the infrastructures and generate a possible explosive hazard after decades of storage if hydrogen can accumulate somewhere in the facility. It is therefore necessary to study the corrosion behaviour of aluminium in the different cements considered for the encapsulation to estimate the possible amount of hydrogen that could be generated through corrosion and design the cement capsules accordingly. This work mainly focused on the reaction occurring at the aluminium-cement interface. Raman spectroscopy did not highlight significant differences in the nature of the corrosion products forming at the cement/aluminium interface, leading to the conclusion that it is not the chemistry of the cement that is the key factor controlling the corrosion rate but rather the physical properties of the cement matrix.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Keyword
- Alkalinity; Aluminum corrosion; Cements; Corrosion rate; Corrosive effects; Electrochemical corrosion; Hydrogen storage; Radioactive wastes; Alkaline environment; Aluminum can; Cement encapsulation; Cement-based matrices; Corrosion products; Deep geological disposal; Electrochemical measurements; Hydrogen-evolution; Long-lived radioactive wastes; Nuclear waste disposal; Hydrogen production
Publication and Content Type
- ref (subject category)
- art (subject category)
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