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利用热重分析研究了O2/CO2气氛下污泥与煤混燃特性,基于热重(TG)和微商热重(DTG)分析曲线,分析了泥煤比、升温速率和气氛对污泥与煤混燃特性的影响.结果表明:在21%O2/79%CO2气氛下,污泥与煤混合物的着火温度随泥煤比的上升而显著降低,最大失重速率随着升温速率的提高而提高.随着氧浓度由21%提高到50%,燃尽温度从708.3℃降低至599.8℃,污泥与煤混合物的燃尽时间也明显缩短.21%O2/79%N2气氛下污泥与煤混合物的燃烧特性介于21%O2/79%CO2和30%O2/70%CO2气氛之间.

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