Abstract

Based on the removal of SO2 as the research background, this paper focuses on the research of mono-component experiment and orthogonal experiment of compound sulfur-fixing agent composed of shell powder and red mud (at the mass ratio of 8:2) at the temperature of 1000°C and Ca/S was 2.0, by adding manganese dioxide, fly ash, magnesium oxide and potassium carbonate as the sulfur-fixing additive. The experimental results showed that the sulfur fixation capacity of desulfurizer is increased to different extents and the optimal ratio to additive is obtained after addition of the additive.

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