煤的结构与热解反应性研究

Study on the Structure and Pyrolysis Reactivity of Coal

利用13C核磁共振(13C NMR)和X射线光电子能谱(XPS)对五种煤结构进行表征,得到了煤中不同类型的碳含量,煤热解挥发分主要气体产率与煤中不同类型碳含量的关系,确定了CO2和CO的前驱体为煤中羧基碳和羰基碳,CH4和H2的前驱体为煤中甲基类组分。

The structure of five kinds of coal was characterized by 13C NMR and X-ray photoelectron spec-troscopy (XPS). The relationship between the carbon content of different types of coal, the main gas yield of coal pyrolysis volatile and the carbon content of different types of coal was obtained. The precursor of CO2 and CO was determined to be carboxyl carbon and carbonyl carbon in coal, and the precursor of CH4 and H2 was methyl component in coal.