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Title: Chemical and mineralogical composition of ashes troughout a WTE plant: theory and practical evidence
Authors: Verbinnen, Bram
Van Caneghem, Jo
De Greef, Johan
Issue Date: Nov-2016
Host Document: Proceedings of the 6th International Symposium on Energy from Biomass and Waste - Venice 2016
Conference: International Symposium on Energy from Biomass and Waste edition:6 location:Venice date:14-17 November 2016
Abstract: Corrosion of heat-exchanging components is one of the main operational problems in Waste-to-Energy plants, limiting the electrical efficiency that can be reached. Corrosion is mainly related to the devolatilization and/or deposition of chlorides and sulphates on the heat-exchanging surfaces. This paper therefore focuses on the distribution of Cl and S in the ashes sampled during normal operation of a plant, and in deposits that were sampled on specific spots where corrosion was observed. Based on the outcome of the elemental and mineralogical analysis, the composition of ashes throughout the plant during normal operation is explained. Furthermore, the analysis performed on the deposits gives a better insight in the mechanisms that are responsible for corrosion.
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:Technologiecluster Materialentechnologie
Materials Technology TC, Campus Group T Leuven

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