Corrosion of Heat-Transfer Materials Induced by KCl, HCl, and O2 Under Chemical-Looping Conditions

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Sammanfattning

Chemical-looping combustion (CLC) of biomass has the potential to facilitate negative CO 2 emission in heat and power production when combined with a carbon capture technique. However, typical biomass contains alkali metals and chlorine compounds, such as potassium chloride, which can lead to corrosion of heat-transfer surfaces in the reactors. The combined influence of potassium chloride, hydrochloric acid, and oxygen on the corrosion of five typical heat-transfer materials, which are potential candidates for use in the fuel reactor in a CLC process, was studied using one-week laboratory-scale experiments. The results suggested that potassium chloride, especially in the presence of HCl and O 2, greatly affects the corrosion of lower-alloyed heat-transfer materials. The outcome of this study can provide valuable information for selecting suitable heat-transfer materials for CLC.

OriginalspråkEngelska
Sidor (från-till)123-141
Antal sidor19
TidskriftHigh Temperature Corrosion of Materials
Volym101
NummerSUPPL 1
DOI
StatusPublicerad - dec. 2024
MoE-publikationstypA1 Tidskriftsartikel-refererad

Nyckelord

  • korrosion

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