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https://hdl.handle.net/2440/61337
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Type: | Journal article |
Title: | Influence of droplet size on the release of atomic sodium from a burning black liquor droplet in a flat flame |
Author: | Saw, W. Nathan, G. Ashman, P. Hupa, M. |
Citation: | Fuel: the science and technology of fuel and energy, 2010; 89(8):1840-1848 |
Publisher: | Elsevier Sci Ltd |
Issue Date: | 2010 |
ISSN: | 0016-2361 |
Statement of Responsibility: | W.L. Saw, G.J. Nathan, P.J. Ashman, M. Hupa |
Abstract: | The influence of initial droplet size on the release of atomic sodium from black liquor solids (BLS) during each stage of black liquor combustion has been assessed using a planar laser-induced fluorescence (PLIF) technique. Three different initial diameters of black liquor droplets, 1.3, 1.7 and 2.2 mm were burned in a flat flame at equivalence ratios of 0.8, 0.9 and 1.25. The temporal release of the atomic sodium under fuel rich conditions was found to be different from that under fuel-lean conditions, especially during the smelt coalescence stage. For each stage of black liquor combustion, the measured release rate of atomic sodium increases with decreasing di. This implies that significant release of atomic sodium could occur during the in-flight combustion of small droplets, which are known to be generated in recovery boilers from either the carryover or the ejecta. © 2010 Elsevier Ltd. All rights reserved. |
Keywords: | Sodium Black liquor LIF Droplet size |
Rights: | Copyright © 2010 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.fuel.2010.04.002 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1016/j.fuel.2010.04.002 |
Appears in Collections: | Aurora harvest 5 Chemical Engineering publications Environment Institute Leaders publications Environment Institute publications Mechanical Engineering publications |
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