低阶煤中小分子化合物的组成研究  

Research on Composition of Low Molecular Compounds in Low Rank Coals

作　　者：乐嘉炜 张德祥[1] LE Jia-wei;ZHANG De-xiang(Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, Department of Chemical Engineering for Energy Resources, East China University of Science and Technology, Shanghai 200237, Chin)

机构地区：[1]华东理工大学能源化工系煤气化及能源化工教育部重点实验室,上海200237

出　　处：《煤炭技术》2018年第5期300-302,共3页Coal Technology

基　　金：国家重点基础研究发展计划(2011CB201304)

摘　　要：采用四氢呋喃索氏抽提和GC-MS检测的方法,将4种低阶煤中的小分子化合物进行分离与分析表征。实验结果表明低阶煤中小分子化合物主要由脂肪烃、芳香烃和含氧化合物构成。在褐煤中含氧化合物含量更多,小龙潭褐煤萃取的小分子化合物中酚类含量达到56.12%。在次烟煤中芳香烃含量和缩合度更高,神木煤的小分子化合物中双环和三环芳香烃含量达到26.61%和23.30%。The low molecular compounds in four low rank coals were separated and analyzed by using the methods of terahydrofuran soxhlet extraction and GC-MS. The results show that the low molecular compounds were mainly composed by aliphatics, aromatics and oxygen-contained compounds. The lignites had more content of oxygen-contained compounds, while the subbituminous coal had more content of aromatics with high degree of condensation. The phenol content in low molecular compounds of XLT was 56.12%. The dicyclic and tricyclic aromatics contents of SM was 26.61% and 23.30%.

关 键 词：低阶煤 索氏抽提 小分子 煤化作用 

分 类 号：TQ530[化学工程—煤化学工程]