2011
DOI: 10.2172/1023279
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Treatment Tank Corrosion Studies for the Enhanced Chemical Cleaning Process

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Cited by 7 publications
(26 citation statements)
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References 24 publications
(35 reference statements)
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“…Thus, any impact to the HLW tank fabric could likely be minimised. To further ensure/confirm the impact to the HLW tank fabric would be minimal, independent corrosion studies including those associated with the oxalate decomposed slurries, and its effect on the deposition tank are planned to be performed (Wiersma, 2011).…”
Section: Resultsmentioning
confidence: 99%
“…Thus, any impact to the HLW tank fabric could likely be minimised. To further ensure/confirm the impact to the HLW tank fabric would be minimal, independent corrosion studies including those associated with the oxalate decomposed slurries, and its effect on the deposition tank are planned to be performed (Wiersma, 2011).…”
Section: Resultsmentioning
confidence: 99%
“…This concentration range is similar to what was observed during the laboratory work. 8 Likewise the percentage of soluble iron that was ferric ion remained relatively constant, and very high at approximately 98-99%. At these levels of dissolved ferric ion concentrations, ferric oxalate reduction is expected to have been the dominant cathodic reaction throughout the process.…”
Section: Samplesmentioning
confidence: 94%
“…However, electrochemical testing demonstrated that reduction of a ferric oxalate species, rather than hydrogen evolution, is the preferred cathodic reaction when dissolved sludge is present. 8,9 In contrast, in pure oxalic acid, 10 or after an extended period of stagnant exposure to carbon steel, 11,8 hydrogen evolution may become the dominant cathodic reaction. The dominance of the hydrogen evolution reaction is presumed to be due to consumption of the ferric oxalate species, which results in an overall decrease in the concentration of ferric ion.…”
Section: Samplesmentioning
confidence: 99%
“…Additionally, tests have been performed in acidic solutions that contained metal oxide solids [14]. These environmental conditions simulated the actual chemical cleaning process.…”
Section: Background and Introductionmentioning
confidence: 99%
“…The anticipated temperature range in the treatment tank will be the same as that proposed for the enhanced chemical cleaning process, between 45 and 75°C [14]. In order to obtain better dissolution of the solids, the waste is typically agitated by pumps.…”
Section: Background and Introductionmentioning
confidence: 99%