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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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Lindberg, Daniel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Oxidation Behavior of AlxHfNbTiVY0.05 Refractory High-Entropy Alloys at 700–900 °Ccitations
- 2024Influence of PbCl2 and KCl salt mixture on high temperature corrosion of alloy 625citations
- 2023The effect of Cl, Br, and F on high-temperature corrosion of heat-transfer alloyscitations
- 2023Thermodynamic Model for High-Temperature Corrosion Applications: The (NaCl + Na2CO3 + Na2SO4 + Na2S2O7 + Na2CrO4 + Na2Cr2O7 + Na2MoO4 + Na2Mo2O7 + Na2O + KCl + K2CO3 + K2SO4 + K2S2O7 + K2CrO4 + K2Cr2O7 + K2MoO4 + K2Mo2O7 + K2O) System
- 2023Critical Evaluation and Calorimetric Study of the Thermodynamic Properties of Na2CrO4, K2CrO4, Na2MoO4, K2MoO4, Na2WO4, and K2WO4citations
- 2022Impact of recently discovered sodium calcium silicate solutions on the phase diagrams of relevance for glass-ceramics in the Na2O-CaO-SiO2 systemcitations
- 2022Experimental Thermodynamic Characterization of the Chalcopyrite-Based Compounds in the Ag–In–Te System for a Potential Thermoelectric Applicationcitations
- 2022Critical evaluation of CuSO4-H2O system up to solubility limit, from eutectic point to 373.15 Kcitations
- 2021Precious Metal Distributions Between Copper Matte and Slag at High PSO2 in WEEE Reprocessingcitations
- 2021Slag Chemistry and Behavior of Nickel and Tin in Black Copper Smelting with Alumina and Magnesia-Containing Slagscitations
- 2021Superheater deposits and corrosion in temperature gradient – Laboratory studies into effects of flue gas composition, initial deposit structure, and exposure timecitations
- 2020Formation of nitride and oxide inclusions in liquid Fe-Cr-Ti-Al alloyscitations
- 2020Thermodynamic behaviour of nitrogen in the carbon saturated Fe-Mn-Si alloy during castingcitations
- 2018Experimental investigation and thermodynamic re-assessment of the ternary copper-nickel-lead systemcitations
- 2018Thermodynamic Investigation of Selected Metal Sulfates for Controlling Fouling and Slagging During Combustion
- 2018Experimental and modeling approaches to simulate temperature-gradient induced intradeposit chemical processes with implications for biomass boiler corrosion
- 2017The effect of temperature on the formation of oxide scales regarding commercial superheater steelscitations
- 2017Thermal stabilities and properties of equilibrium phases in the Pt-Te-O systemcitations
- 2017Simultaneous melt and vapor induced ash deposit aging mechanisms – Mathematical model and experimental observationscitations
- 2017The influence of flue gas temperature on lead chloride induced high temperature corrosioncitations
- 2017The Thermodynamics of Slag Forming Inorganic Phases in Biomass Combustion Processescitations
- 2016Thermochemical properties of selected ternary phases in the Ag–Bi–S systemcitations
- 2015Alkali chloride transport within superheater deposits due to temperature gradients
- 2012High temperature corrosion of boiler waterwalls induced by chlorides and bromides. Part 2:Lab-scale corrosion tests and thermodynamic equilibrium modeling of ash and gaseous speciescitations
Places of action
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article
The influence of flue gas temperature on lead chloride induced high temperature corrosion
Abstract
Firing of waste-based fuels increases the risk for heavy metal-induced corrosion in the furnace walls and in other low-temp. heat transfer surfaces, such as primary superheaters. Lead-contg. compds., esp. alkali lead chlorides, were detected in the boiler water walls, causing severe corrosion. Corrosion rate of chlorine-induced corrosion is known to be dependent on the material temp. and the objective of this work was to study the influence of the flue gas temp. on lead chloride-induced corrosion. The expts. were carried out with full-scale corrosion probe and deposit probe measurements in a recycled wood firing CFB boiler. The material used in the corrosion probe measurements was low alloy steel EN10216-2 16Mo3 and the material temp. was adjusted to 360°. Two corrosion and deposit probes were used in different locations to expose the probes towards hot, 800°, and cooler, 490°, flue gas temps. Changes of the wall thicknesses were measured and the samples were analyzed with SEM/EDS and x-ray diffraction for more detailed deposit characterization. Corrosion was detected in both the hot and the cooler flue gas samples. A low melting (T<sub>0</sub> = 368°) alkali-lead-chloride mixt. was identified. Findings from these measurements strongly indicate this mixt. to be the corrosion-causing compd. at both flue gas temps. However, the corrosion rate was higher in the hot flue gas sample compared to the cooler flue gas sample. A much steeper deposit temp. gradient was calcd. for the hot flue gas sample, suggesting that the alkali-lead-chloride mixt. is in the molten form. These findings, together with the higher proportion of the present alkali-lead-chloride mixt., are the potential factors for the higher corrosion rate in the hot flue gas sample compared to the cooler flue gas sample.