【摘要】 依据煤全组分族分离方法——萃取反萃取法及煤嵌布结构模型思想,采用正己烷、甲醇、丙酮、氯仿、CS₂和THF六级溶剂对淮北童亭煤（HB）、徐州煤（XZ）和平顶山煤（PDS）各族组分进行分级分次索氏萃取,对各级萃取物进行GC-MS分析.结果表明:索氏萃取溶出物中有机卤化物的溶出行为主要发生在氯仿级的萃取过程中,其溶出物主要以脂基氯、芳基氯（溴）和杂环基氯化物4类卤化物为主,相对分子质量为94²50.其中,杂环基氯化物倾向分布于疏中质组和密中质组中,以较小微孔嵌入态和网络嵌入态赋存;芳基卤化物倾向分布于重质组中,以较小微孔嵌入态赋存;脂基氯化物在各族组分中没有倾向性,以3种赋存状态存在于各族组分中.更多还原

【Abstract】 Based on the extraction and stripping method and inbuilt model of coal structure,all group components of Huaibei Tongting coal,Xuzhou coal and Pingdingshan coal were extracted fractionally by solvents of n-hexane,methanol,acetone,chloroform,CS₂ and THF in proper order.The extracts of all levels were analyzed by GC-MS.The results show that dissolution behavior of organohalogen compounds in the extracts mainly appear in the process of chloroform extraction.Dissolved matter mainly includes chloro-substituted aliphatic compounds,chloro（bromo）-substituted aromatic compounds and chloro-substituted heterocyclic compounds,their relative molecular mass is in the range of 94 to 250.The chloro-substituted heterocyclic compounds with smaller pores embedded and network embedded states occurrence are mainly distributed in the dense medium and loose medium components;the chloro（bromo）-substituted aromatic compounds with smaller pores embedded state are mainly distributed in the heavy component;the chloro-substituted aliphatic compounds in three different occurrence states are distributed in all group components.更多还原