Dust-Firing of Straw and Additives: Ash Chemistry and Deposition Behavior

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In the present work, the ash chemistry and deposition behavior during straw dust-firing were studied by performing experiments in an entrained flow reactor. The effect of using spent bleaching earth (SBE) as an additive in straw combustion was also investigated by comparing with kaolinite. During dust-firing of straw, the large (>∼2.5 μm) fly ash particles generated were primarily molten or partially molten spherical particles rich in K, Si, and Ca, supplemented by Si-rich flake-shaped particles. The smaller fly ash particles (
Original languageEnglish
JournalEnergy & Fuels
Issue number7
Pages (from-to)2862-2873
Publication statusPublished - 2011

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