modeling of calcium-based sorbent reactions with sulfur dioxide

Clicks: 268
ID: 134783
2015
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Abstract
A mathematical model of calcium sorbent reactions for simulation of sulfur dioxide reduction from pulverized coal combustion fl e gasses is developed, implemented within numerical code and validated against available measurements under controlled conditions. The model attempts to closely resemble reactions of calcination, sintering and sulfation, occurring during the sorbent particles motion in the furnace. The sulfation is based on PSSM (Partially Sintered Spheres Model), coupled with simulated particle calcination and sintering. Complex geometry of the particle is taken into account, with the assumption that it consists of spherical grains in contact with each other. Numerical simulations of drop down tube reactors were performed for both CaCO3 and Ca(OH)2 sorbent particles and results were compared with available experimental data from literature. The sorbent reactions model will be further used for simulations of desulfurization reactions in turbulent gas-particle flow under coalcombustion conditions. [Projekat Ministarstva nauke Republike Srbije, br. TR-33018: Increase in energy and ecology efficiency of processes in pulverized coal-fired furnace and optimization of utility steam boiler air preheater by using in-house developed software tools]
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ivan2015journalmodeling Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Tomanović Ivan;Belošević Srđan;Milićević Aleksandar;Tucaković Dragan
Journal meditsinskaia radiologiia
Year 2015
DOI
10.2298/JSC140903115T
URL
http://www.doiserbia.nb.rs/img/doi/0352-5139/2015/0352-51391400115T.pdf
Keywords
desulfurization lime particle flue gas

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