8Keiichiro Koba and Shiro Ida.Gasification reactivities of metallurgical cokes with carbon dioxide, steam and their mixtures [J]. Fuel, 1980, 59( 1 ) : 59-63.
9Van Heek K. H..Heine-Jurgen M. Aspects of coal properties and constitution important for gasification, 1985 (10).
10F. Rodr tguez-Reinoso, M. Molina-Sabio and M. T. Gonz61ez. The use of steam and CO2 as activating agents in the preparation of activated carbons[J]. Carbon, 1995,33( 1 ) : 15-23.