采用热重分析方法研究了不同氧气浓度下城市生活污泥、劣质煤及混合物的燃烧动力学特性,利用燃烧促进因子CEF(Combustion Enhancement Factor)来表征燃料外部燃烧促进条件.结果表明:随着氧气浓度的增加,污泥、煤及其混合物失重增加,最大反应速率增大且对应温度减小,各DTG曲线向低温区偏移.提高氧气浓度能显著改善燃烧条件,并导致污泥、煤及混烧表观活化能增大.燃烧促进因子与表观活化能具有良好的线性补偿作用.
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