Influence of stoichiometry on the release of atomic sodium from a burning black liquor droplet in a flat flame with and without boron
Date
2010
Authors
Saw, W.
Hupa, M.
Nathan, G.
Ashman, P.
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Journal article
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Fuel: the science and technology of fuel and energy, 2010; 89(9):2608-2616
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Woei L. Saw, Mikko Hupa, Graham J. Nathan, Peter J. Ashman
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Abstract
The influence of boron on the temporal release of atomic sodium during a burning black liquor droplet has been assessed using planar laser-induced fluorescence (PLIF) technique. Single 10 mg droplets were burned in a flat flame at temperatures ranging from 1600 to 1725 °C with an equivalence ratios of 0.8, 0.9 and 1.25 and excess oxygen concentrations of 3.7, 1.8 and 0 (vol%), respectively. Under these conditions, the magnitude and temporal release of atomic sodium for the liquors with and without boron were not significantly influenced by the boron. However, the addition of boron to the liquor clearly reduced the total atomic sodium released, especially during the char consumption stage. © 2009 Elsevier Ltd. All rights reserved.
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Copyright © 2009 Elsevier Ltd. All rights reserved.