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My TAPPI Story: Naomi Gehling
A comprehensive model was used to predict black liquor combustion and the effect of particle size on inorganic composition in an entrained flow reactor (EFR) at the University of Toronto. Model predictions of particle composition were compared with EFR measurements for a range of oxygen concentration (3.2% to 13.6% by volume) and initial particle size (275 to 655 microns). The EFR data were useful for model validation. Trends in the modeling results were in good agreement with the data. These results show that particle size has a large effect on particle composition, and sticky temperature. The same model was used to predict black liquor combustion, carryover composition, liquid fraction, and deposition in a recovery boiler. The model predicts nearly complete chlorine depletion from carryover and intermediate size particles (ISP), and a narrow temperature range for particle stickiness and deposition in the convection pass.
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Available for Purchase – Conference Proceedings
TAPPI maintains a record of key conference papers, presentations, and other conference publications, available for purchase in a variety of formats.
Effect of Particle Composition on Carryover Deposition in Recovery Boilers, 2002 Fall Technical Conf