用XPS研究兖州煤各显微组分中有机硫存在形态

应用ＸＰＳ（Ｘ射线光电子能谱）法研究了兖州煤显微组有机硫的存在形态。按密度不同分离出的兖州煤中各显微且分内的有机硫存在形态是有差异的。据ＸＰＳ分析，稳定组中含有大量的硫砜、硫醚含硫化合物，噻吩型硫闪之；镜质组中硫、硫醚与脂肪族硫化物含量相当；惰性组中噻吩型硫与硫醚和硫醇型硫各占有机硫的一半。噻吩型硫在充州煤各显微组分中，随密度增加。含量有所减少，硫醚、硫醇及二硫化物的含量也有类似的趋势。这些结果将

APPLICATION OF XPS IN STUDY FORMS OF ORGANIC SULFUR IN MACERALS OF YANZHOU COAL

Experimental results on study of macerals of Yanzhou coal by XPS are presented The technique of density gradient centrifugation (DGC) was used to process Yanzhou coal for obtaining highly concentrated macerals The XPS of these macerals show differences in organic sulfur forms in exinite, vitrinite and inertinite A number of sulfoether, sulfur alcohol and PhSSPh exists in exinite, whereas aliphate sulfide and sulfoether were the major parts in vitrinite About a half of the organic sulfur in inertinite are thiophene analogue and the other half sulfoether or sulfur alcohol The macerals of higher density contains less amount of thiophene analogue, sulfoether, sulfur alcohol and PhSSPh These results are useful for further study of coal structure and exploration of new methods of desulfurization