Simulated fireside corrosion of T91 in oxy-combustion systems with an emphasis on coal/biomass environments

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dc.contributor.authorHolcomb, Gordon R.
dc.contributor.authorCarney, Casey S.
dc.contributor.authorTylczak, Joseph
dc.contributor.authorDudziak, Tomasz P.
dc.contributor.authorSimms, Nigel J.
dc.date.accessioned2019-08-27T18:15:42Z
dc.date.available2019-08-27T18:15:42Z
dc.date.issued2019-06-11
dc.description.abstractOxy-combustion is the burning of a fuel in oxygen rather than air for the ease of capture of CO2 for reuse or sequestration. Corrosion issues associated with the change in heat exchanger tube operating environment (replacement of most of the N2 with CO2 and potentially higher SOx levels) from air- to oxy-combustion were examined. The ferritic-martensitic alloy T91 was used in accelerated fireside corrosion tests using several different gas compositions and ash deposit overcoats to simulate air-fired, oxy-fired coal, and oxy-fired co-fired coal/biomass conditions. Initial corrosion was observed after 240 h of exposure by examining cross-sections with retained ash. Metal section losses were determined after exposures of up to 1440 h at 600–700°C. Severe corrosion was observed, and a corrosion response with respect to ash deposit chemistry was observed. Corrosion response differences with respect to gas phase chemistry were minimal. Alloy-oxide scale-ash morphologies were consistent with oxide fluxing mechanisms.en_UK
dc.identifier.citationHolcomb GR, Carney CS, Tylczak J, et al., (2019) Simulated fireside corrosion of T91 in oxy-combustion systems with an emphasis on coal/biomass environments. Materials at High Temperatures, Volume 36, Issue 5, 2019, pp. 437-446en_UK
dc.identifier.issn0960-3409
dc.identifier.urihttps://doi.org/10.1080/09603409.2019.1626612
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14477
dc.language.isoenen_UK
dc.publisherScience Reviews 2000 Ltden_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectFireside corrosionen_UK
dc.subjectoxy-combustionen_UK
dc.subjectoxidationen_UK
dc.subjectco-firingen_UK
dc.subjectT91en_UK
dc.subjectfluxingen_UK
dc.subjectboilersen_UK
dc.titleSimulated fireside corrosion of T91 in oxy-combustion systems with an emphasis on coal/biomass environmentsen_UK
dc.typeArticleen_UK

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