淮南中温煤焦油的分离及GC/MS分析  

Separation and GC/MS Analysis of Huainan Medium Coal Tar

作　　者：姚婷[1] 杨宏伟[1] 赵鹏程[1] 马玉红[1] 宗志敏[2] 

机构地区：[1]空军勤务学院航空油料物资系,江苏徐州221006 [2]中国矿业大学煤炭加工与高效洁净利用教育部重点实验室及低碳能源研究院,江苏徐州221008

出　　处：《广州化工》2013年第8期113-118,共6页GuangZhou Chemical Industry

基　　金：国家自然科学基金委员会创新研究群体科学基金资助项目(50921002);江苏省普通高校高新技术产业项目发展重点项目(JHB05-33)

摘　　要：采用超声辐射和索氏萃取相结合的方法,利用不同溶剂对淮南中温煤焦油进行分级萃取,并利用GC/MS测定分析各级萃取物的化学组成。结果表明,两级石油醚萃取物(E1和E2)中共检测到242种组分,主要成分是2～4环芳烃及含氧化合物,且含氧化合物中含有较多的酚类物质。甲醇和乙醇萃取物(E3和E4)中没有检测出任何化合物,说明利用分级萃取的手段可以有效的对焦油中族组分起到粗分离作用。Huainan medium coal tar was extracted with petroleum ether （ PE）, methanol and ethanol under uhrasonic irradiation and in a Soxhlet extractor sequentially. The extracts were analyzed with GC/MS. The results showed that 242 compounds were detected in twice PE -soluble fractions （E1 and E2 ）, most of these were 2 -4 ring aromatics and oxygen containing compounds, what＇s more, many phenols were detected, but no GC/MS -detectable species in methanol - and ethanol - soluble fractions （ E3 and E4 ） , indicating that group separation of soluble organic compounds in coal tar can be achieved by fractional extraction using different solvent.

关 键 词：GC MS 中温煤焦油 分离萃取 组分分析 

分 类 号：TQ524[化学工程—煤化学工程]