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CFD-modelling of selective non-catalytic reduction of NOx in grate-kiln plants
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
2009 (English)In: Seventh International Conference on CFD in the Minerals and Process Industries: CSIRO, Melbourne, Australia 9-11 December 2009, CSIRO Publishing, 2009, 1-6 p.Conference paper (Refereed)
Abstract [en]

The overall goal of this project is to find out if selective non-catalytic reduction (SNCR) technologies can be used in grate-kiln plants for NOx reduction. The technique has, to the best knowledge of the authors, never been used in this context before despite that it is commonly used in cement and waste incineration plants.   A Computational Fluid Dynamic model of parts of a real grate was created and numerical simulations with a commercial code was carried out solving the flow field. A model for spray injection into the grate was then included in the model enabling a study of the overall mixing between the injected reagent droplets and the NOx polluted air. The simulations show promising results for SNCR with urea but not with ammonia.

Place, publisher, year, edition, pages
CSIRO Publishing, 2009. 1-6 p.
Research subject
Fluid Mechanics
URN: urn:nbn:se:ltu:diva-39828Local ID: eb95aa70-e985-11de-bae5-000ea68e967bOAI: diva2:1013346
International Conference on CFD in the Minerals and Process Industries : 09/12/2009 - 11/12/2009

Godkänd; 2009; 20091215 (burper)

Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2016-10-19Bibliographically approved

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Burström, PerLundström, Staffan
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