The results show that the gasification reactivity of anthracite chars with steam has a good correlation with the coal rank, i.e. the higher the coal rank, the lower the reactivity.

• 结果表明，无烟煤焦与水蒸气气化反应的活性与无烟煤的煤化程度相对应，无烟煤煤化程度越高，水蒸气气化反应活性越小。