Sulfur capture for fluidized-bed combustion of high-sulfur content lignites

Hakan Altindag, Yusuf Gogebakan and Nevin Selçuk

Applied Energy, 2004, vol. 79, issue 4, 403-424

Abstract: Sulfur release and capture behavior of lignites with highly combustible sulfur-contents were investigated by extending a previously-developed comprehensive model to incorporate sulfur retention. The predictive performance of the model was tested by comparing the model predictions with on-line concentration measurements of O2, CO2, CO and SO2. Favorable comparisons are obtained between the predicted and measured concentrations of gaseous species along the combustor. Results show that freeboard sulfur-capture is enhanced significantly with recycling of elutriated sorbent particles as the sulfur release to the freeboard is significant for fuels rich in combustible sulfur.

Keywords: Sulfur; retention; Fluidized; bed; combustion; Lignite; Recycle (search for similar items in EconPapers)
Date: 2004
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