| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Frandsen, Flemming Jappe
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Full-scale investigations of initial deposits formation in a cement plant co-fired with coal and SRFcitations
- 2018Ash formation and deposition in coal and biomass fired combustion systems: Progress and challenges in the field of ash particle sticking and rebound behaviorcitations
- 2018Time and temperature effects on alkali chloride induced high temperature corrosion of superheaters during biomass firingcitations
- 2018Influence of Preoxidation on High-Temperature Corrosion of a FeCrAl Alloy Under Conditions Relevant to Biomass Firingcitations
- 2017Deposit Shedding in Biomass-Fired Boilers: Shear Adhesion Strength Measurementscitations
- 2017Influence of preoxidation on high temperature corrosion of a Ni-based alloy under conditions relevant to biomass firingcitations
- 2017Complementary Methods for the Characterization of Corrosion Products on a Plant-Exposed Superheater Tubecitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part I: Exposures in oxidizing and chlorinating atmospherescitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part II: Exposures in SO2 containing atmospherescitations
- 2016Adhesion Strength of Biomass Ash Deposits
- 2016Deposit Shedding in Biomass-fired Boilers: Shear Adhesion Strength Measurements
- 2015Effect of Water Vapor on High-Temperature Corrosion under Conditions Mimicking Biomass Firingcitations
- 2015High temperature corrosion during biomass firing: improved understanding by depth resolved characterisation of corrosion productscitations
- 2015Alkali chloride induced corrosion of superheaters under biomass firing conditions: Improved insights from laboratory scale studies
- 2014High Temperature Corrosion under Laboratory Conditions Simulating Biomass-Firing: A Comprehensive Characterization of Corrosion Productscitations
- 2014High temperature corrosion under conditions simulating biomass firing: depth-resolved phase identification
- 2013Modeling of sulfation of potassium chloride by ferric sulfate addition during grate-firing of biomass
- 2012Deposit Probe Measurements in Danish Grate and Pulverized Fuel Biomass Power Boilers
- 2012Combustion Aerosols from Full-Scale Suspension-Firing of Wood Pellets
- 2010Characterization and Quantification of Deposits Buildup and Removal in Biomass Suspension-Fired Boilers
- 2010Ash Deposit Formation and Removal in a Straw and Wood Suspension-Fired Boiler
- 2001Corrosion Investigations in Straw-Fired Power Plants in Denmark
- 2001The effect of Co-firing with Straw and Coal on High Temperature Corrosion
- 2000Deposit Formation in a 150 MWe Utility PF-Boiler during Co-combustion of Coal and Strawcitations
Places of action
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article
High temperature corrosion during biomass firing: improved understanding by depth resolved characterisation of corrosion products
Abstract
The high temperature corrosion of an austenitic stainless steel (TP 347H FG), widely utilised as a superheater tube material in Danish power stations, was investigated to verify the corrosion mechanisms related to biomass firing. KCl coated samples were exposed isothermally to 560 degrees C, for one week, under conditions simulating straw-firing. Thorough characterisation of the exposed samples was conducted by the analysis of sample cross-sections applying microscopy and spectroscopy based techniques. Cross-section analysis revealed the microstructure, as well as chemical and morphological changes within the near surface region (covering both the deposit and the steel surface). Such cross-section analysis was further complemented by plan view investigations (additionally involving X-ray diffraction) combined with removal of the corrosion products. Improved insights into the nature of the corrosion products as a function of distance from the deposit surface were revealed through this comprehensive characterisation. Corrosion attack during simulated straw-firing conditions was observed to occur through both active oxidation and sulphidation mechanisms.