通过化学加工可制取气体燃料的煤。通常要求气化用煤具有较强的化学反应性能、较高的灰熔融性和挥发分，以及较低的硫分。
发生炉正常炉出煤气温度与气化用煤的化学反应活性和气化用煤的挥发分及水分含量相关。
The normal gas outlet temperature of coal gasifier is related to chemical reactivity, volatile matter and moisture content of gasification coal.
在固定床加压反应器和加压热天平上，对五种中国气化用煤及其煤焦进行了加氢气化的动力学研究。
Kinetic characteristics of hydrogasification for five Chinese coals and their chars are investigated at pressure using a fixed-bed reactor and a thermobalance.
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