Zhundong coal predicted reserves are ranked first in China,its high moisture,low ash melting point,low ignition point,higher burning rate,low mining costs and other characteristics decide it is excellent power coal.The research on the pyrolysis reaction and gas product precipitation characteristics has an important role on the advantages of its reserves,the improvement of the utilization efficiency and its efficient and clean use.Based on the status quo that alkali and alkaline earth metal elements in coal ...