回顾煤的利用史并展望其前景,可以预测,在最近将来的能源构成中,煤将代替石油而再次成为主要的工业能源。面对这一时代,人们将自然而然地把注意力集中于煤的气化和液化上。以下,仅就煤气化和液化基本 Looking back on the history of coal utilization and looking forward to its prospects, it can be predicted that coal will once again become the major industrial energy source instead of oil in the energy composition in the near future. Faced with this era, people will naturally focus their attention on the gasification and liquefaction of coal. The following, only on the basic gasification and liquefaction