温度范围反应完全;与之相反,低密度煤释放曲线平坦且无明显峰,在较长时间和较宽温度范围均有析出;相对于O2/N2气氛,O2/CO2燃烧方式促进了硫以COS/SO3等物相生成,同时提高了煤灰中矿物质自固硫能力,从而降低了SO2的排放.
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